128 lines
96 KiB
HTML
128 lines
96 KiB
HTML
<!DOCTYPE html>
|
||
<html lang="zh-CN" dir="ltr">
|
||
<head>
|
||
<meta charset="utf-8">
|
||
<meta name="viewport" content="width=device-width,initial-scale=1">
|
||
<title>核心对象 | 查尔斯的知识库</title>
|
||
<meta name="description" content="个人技术知识库，记录 & 分享个人碎片化、结构化、体系化的技术知识内容。">
|
||
<meta name="generator" content="VitePress v1.0.0-rc.31">
|
||
<link rel="preload stylesheet" href="/assets/style.-TyODVlN.css" as="style">
|
||
|
||
<script type="module" src="/assets/app.wVULdALl.js"></script>
|
||
<link rel="preload" href="/assets/inter-roman-latin.bvIUbFQP.woff2" as="font" type="font/woff2" crossorigin="">
|
||
<link rel="modulepreload" href="/assets/chunks/framework.FVQzxbLi.js">
|
||
<link rel="modulepreload" href="/assets/chunks/theme.H88Ua6lx.js">
|
||
<link rel="modulepreload" href="/assets/chunks/md5.RtphNWHi.js">
|
||
<link rel="modulepreload" href="/assets/chunks/use-popup-manager.-j2MED7j.js">
|
||
<link rel="modulepreload" href="/assets/chunks/ArticleMetadata.Sb1DYAHo.js">
|
||
<link rel="modulepreload" href="/assets/courses_mybatis_01-MyBatis基础_02-核心对象.md.J2u3OyyP.lean.js">
|
||
<link rel="icon" href="/favicon.ico">
|
||
<meta name="author" content="Charles7c">
|
||
<meta name="keywords" content="查尔斯的知识库, 知识库, 博客, Charles7c">
|
||
<meta name="HandheldFriendly" content="True">
|
||
<meta name="MobileOptimized" content="320">
|
||
<meta name="theme-color" content="#3c8772">
|
||
<meta property="og:type" content="website">
|
||
<meta property="og:locale" content="zh_CN">
|
||
<meta property="og:title" content="查尔斯的知识库">
|
||
<meta property="og:description" content="个人技术知识库，记录 & 分享个人碎片化、结构化、体系化的技术知识内容。">
|
||
<meta property="og:site" content="https://blog.charles7c.top">
|
||
<meta property="og:site_name" content="查尔斯的知识库">
|
||
<meta property="og:image" content="https://blog.charles7c.top/logo.jpg">
|
||
<script>var _hmt=_hmt||[];(function(){var e=document.createElement("script");e.src="https://hm.baidu.com/hm.js?53af4b1a12fbe40810ca7ad39f8db9c7";var t=document.getElementsByTagName("script")[0];t.parentNode.insertBefore(e,t)})();</script>
|
||
<script id="check-dark-mode">(()=>{const e=localStorage.getItem("vitepress-theme-appearance")||"auto",a=window.matchMedia("(prefers-color-scheme: dark)").matches;(!e||e==="auto"?a:e==="dark")&&document.documentElement.classList.add("dark")})();</script>
|
||
<script id="check-mac-os">document.documentElement.classList.toggle("mac",/Mac|iPhone|iPod|iPad/i.test(navigator.platform));</script>
|
||
</head>
|
||
<body>
|
||
<div id="app"><div class="Layout" data-v-03322d68><!--[--><!--]--><!--[--><span tabindex="-1" data-v-c4918e4e></span><a href="#VPContent" class="VPSkipLink visually-hidden" data-v-c4918e4e> Skip to content </a><!--]--><!----><header class="VPNav" data-v-03322d68 data-v-629c70bd><div class="VPNavBar has-sidebar" data-v-629c70bd data-v-1d72176a><div class="container" data-v-1d72176a><div class="title" data-v-1d72176a><div class="VPNavBarTitle has-sidebar" data-v-1d72176a data-v-21327bbd><a class="title" href="/" data-v-21327bbd><!--[--><!--]--><!--[--><img class="VPImage logo" src="/logo.png" alt data-v-d7b35c78><!--]--><!--[-->查尔斯的知识库<!--]--><!--[--><!--]--></a></div></div><div class="content" data-v-1d72176a><div class="curtain" data-v-1d72176a></div><div class="content-body" data-v-1d72176a><!--[--><!--]--><div class="VPNavBarSearch search" data-v-1d72176a><!--[--><!----><div id="docsearch"><button type="button" class="DocSearch DocSearch-Button" aria-label="搜索文档"><span class="DocSearch-Button-Container"><svg class="DocSearch-Search-Icon" width="20" height="20" viewBox="0 0 20 20" aria-label="search icon"><path d="M14.386 14.386l4.0877 4.0877-4.0877-4.0877c-2.9418 2.9419-7.7115 2.9419-10.6533 0-2.9419-2.9418-2.9419-7.7115 0-10.6533 2.9418-2.9419 7.7115-2.9419 10.6533 0 2.9419 2.9418 2.9419 7.7115 0 10.6533z" stroke="currentColor" fill="none" fill-rule="evenodd" stroke-linecap="round" stroke-linejoin="round"></path></svg><span class="DocSearch-Button-Placeholder">搜索文档</span></span><span class="DocSearch-Button-Keys"><kbd class="DocSearch-Button-Key"></kbd><kbd class="DocSearch-Button-Key">K</kbd></span></button></div><!--]--></div><nav aria-labelledby="main-nav-aria-label" class="VPNavBarMenu menu" data-v-1d72176a data-v-a12edbe3><span id="main-nav-aria-label" class="visually-hidden" data-v-a12edbe3>Main Navigation</span><!--[--><!--[--><div class="VPFlyout VPNavBarMenuGroup" data-v-a12edbe3 data-v-f18e2dbf><button type="button" class="button" aria-haspopup="true" aria-expanded="false" data-v-f18e2dbf><span class="text" data-v-f18e2dbf><!----><span data-v-f18e2dbf>我的分类</span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" viewbox="0 0 24 24" class="text-icon" data-v-f18e2dbf><path d="M12,16c-0.3,0-0.5-0.1-0.7-0.3l-6-6c-0.4-0.4-0.4-1,0-1.4s1-0.4,1.4,0l5.3,5.3l5.3-5.3c0.4-0.4,1-0.4,1.4,0s0.4,1,0,1.4l-6,6C12.5,15.9,12.3,16,12,16z"></path></svg></span></button><div class="menu" data-v-f18e2dbf><div class="VPMenu" data-v-f18e2dbf data-v-8a7fe2f1><div class="items" data-v-8a7fe2f1><!--[--><!--[--><div class="VPMenuLink" data-v-8a7fe2f1 data-v-cf652a9b><a class="VPLink link" href="/categories/issues/index" data-v-cf652a9b><!--[-->Bug万象集<!--]--></a></div><!--]--><!--[--><div class="VPMenuLink" data-v-8a7fe2f1 data-v-cf652a9b><a class="VPLink link" href="/categories/fragments/index" data-v-cf652a9b><!--[-->"杂碎"逆袭史<!--]--></a></div><!--]--><!--[--><div class="VPMenuLink" data-v-8a7fe2f1 data-v-cf652a9b><a class="VPLink link" href="/categories/tools/index" data-v-cf652a9b><!--[-->工具四海谈<!--]--></a></div><!--]--><!--[--><div class="VPMenuLink" data-v-8a7fe2f1 data-v-cf652a9b><a class="VPLink link" href="/categories/solutions/index" data-v-cf652a9b><!--[-->方案春秋志<!--]--></a></div><!--]--><!--]--></div><!--[--><!--]--></div></div></div><!--]--><!--[--><div class="VPFlyout VPNavBarMenuGroup active" data-v-a12edbe3 data-v-f18e2dbf><button type="button" class="button" aria-haspopup="true" aria-expanded="false" data-v-f18e2dbf><span class="text" data-v-f18e2dbf><!----><span data-v-f18e2dbf>我的小册</span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" viewbox="0 0 24 24" class="text-icon" data-v-f18e2dbf><path d="M12,16c-0.3,0-0.5-0.1-0.7-0.3l-6-6c-0.4-0.4-0.4-1,0-1.4s1-0.4,1.4,0l5.3,5.3l5.3-5.3c0.4-0.4,1-0.4,1.4,0s0.4,1,0,1.4l-6,6C12.5,15.9,12.3,16,12,16z"></path></svg></span></button><div class="menu" data-v-f18e2dbf><div class="VPMenu" data-v-f18e2dbf data-v-8a7fe2f1><div class="items" data-v-8a7fe2f1><!--[--><!--[--><div class="VPMenuLink" data-v-8a7fe2f1 data-v-cf652a9b><a class="VPLink link" href="/courses/java/index" data-v-cf652a9b><!--[-->Java基础快速入门<!--]--></a></div><!--]--><!--[--><div class="VPMenuLink" data-v-8a7fe2f1 data-v-cf652a9b><a class="VPLink link" href="/courses/mysql/index" data-v-cf652a9b><!--[-->MySQL快速入门<!--]--></a></div><!--]--><!--[--><div class="VPMenuLink" data-v-8a7fe2f1 data-v-cf652a9b><a class="VPLink link active" href="/courses/mybatis/index" data-v-cf652a9b><!--[-->MyBatis快速入门<!--]--></a></div><!--]--><!--]--></div><!--[--><!--]--></div></div></div><!--]--><!--[--><a class="VPLink link VPNavBarMenuLink" href="/tags" tabindex="0" data-v-a12edbe3 data-v-bc587c79><!--[--><span data-v-bc587c79>我的标签</span><!--]--></a><!--]--><!--[--><a class="VPLink link VPNavBarMenuLink" href="/archives" tabindex="0" data-v-a12edbe3 data-v-bc587c79><!--[--><span data-v-bc587c79>我的归档</span><!--]--></a><!--]--><!--[--><div class="VPFlyout VPNavBarMenuGroup" data-v-a12edbe3 data-v-f18e2dbf><button type="button" class="button" aria-haspopup="true" aria-expanded="false" data-v-f18e2dbf><span class="text" data-v-f18e2dbf><!----><span data-v-f18e2dbf>关于</span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" viewbox="0 0 24 24" class="text-icon" data-v-f18e2dbf><path d="M12,16c-0.3,0-0.5-0.1-0.7-0.3l-6-6c-0.4-0.4-0.4-1,0-1.4s1-0.4,1.4,0l5.3,5.3l5.3-5.3c0.4-0.4,1-0.4,1.4,0s0.4,1,0,1.4l-6,6C12.5,15.9,12.3,16,12,16z"></path></svg></span></button><div class="menu" data-v-f18e2dbf><div class="VPMenu" data-v-f18e2dbf data-v-8a7fe2f1><div class="items" data-v-8a7fe2f1><!--[--><!--[--><div class="VPMenuLink" data-v-8a7fe2f1 data-v-cf652a9b><a class="VPLink link" href="/about/index" data-v-cf652a9b><!--[-->关于知识库<!--]--></a></div><!--]--><!--[--><div class="VPMenuLink" data-v-8a7fe2f1 data-v-cf652a9b><a class="VPLink link" href="/about/me" data-v-cf652a9b><!--[-->关于我<!--]--></a></div><!--]--><!--]--></div><!--[--><!--]--></div></div></div><!--]--><!--]--></nav><!----><div class="VPNavBarAppearance appearance" data-v-1d72176a data-v-c2c90abb><button class="VPSwitch VPSwitchAppearance" type="button" role="switch" title="Switch to dark theme" aria-checked="false" data-v-c2c90abb data-v-1502017d data-v-54e1997a><span class="check" data-v-54e1997a><span class="icon" data-v-54e1997a><!--[--><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" viewbox="0 0 24 24" class="sun" data-v-1502017d><path d="M12,18c-3.3,0-6-2.7-6-6s2.7-6,6-6s6,2.7,6,6S15.3,18,12,18zM12,8c-2.2,0-4,1.8-4,4c0,2.2,1.8,4,4,4c2.2,0,4-1.8,4-4C16,9.8,14.2,8,12,8z"></path><path d="M12,4c-0.6,0-1-0.4-1-1V1c0-0.6,0.4-1,1-1s1,0.4,1,1v2C13,3.6,12.6,4,12,4z"></path><path d="M12,24c-0.6,0-1-0.4-1-1v-2c0-0.6,0.4-1,1-1s1,0.4,1,1v2C13,23.6,12.6,24,12,24z"></path><path d="M5.6,6.6c-0.3,0-0.5-0.1-0.7-0.3L3.5,4.9c-0.4-0.4-0.4-1,0-1.4s1-0.4,1.4,0l1.4,1.4c0.4,0.4,0.4,1,0,1.4C6.2,6.5,5.9,6.6,5.6,6.6z"></path><path d="M19.8,20.8c-0.3,0-0.5-0.1-0.7-0.3l-1.4-1.4c-0.4-0.4-0.4-1,0-1.4s1-0.4,1.4,0l1.4,1.4c0.4,0.4,0.4,1,0,1.4C20.3,20.7,20,20.8,19.8,20.8z"></path><path d="M3,13H1c-0.6,0-1-0.4-1-1s0.4-1,1-1h2c0.6,0,1,0.4,1,1S3.6,13,3,13z"></path><path d="M23,13h-2c-0.6,0-1-0.4-1-1s0.4-1,1-1h2c0.6,0,1,0.4,1,1S23.6,13,23,13z"></path><path d="M4.2,20.8c-0.3,0-0.5-0.1-0.7-0.3c-0.4-0.4-0.4-1,0-1.4l1.4-1.4c0.4-0.4,1-0.4,1.4,0s0.4,1,0,1.4l-1.4,1.4C4.7,20.7,4.5,20.8,4.2,20.8z"></path><path d="M18.4,6.6c-0.3,0-0.5-0.1-0.7-0.3c-0.4-0.4-0.4-1,0-1.4l1.4-1.4c0.4-0.4,1-0.4,1.4,0s0.4,1,0,1.4l-1.4,1.4C18.9,6.5,18.6,6.6,18.4,6.6z"></path></svg><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" viewbox="0 0 24 24" class="moon" data-v-1502017d><path d="M12.1,22c-0.3,0-0.6,0-0.9,0c-5.5-0.5-9.5-5.4-9-10.9c0.4-4.8,4.2-8.6,9-9c0.4,0,0.8,0.2,1,0.5c0.2,0.3,0.2,0.8-0.1,1.1c-2,2.7-1.4,6.4,1.3,8.4c2.1,1.6,5,1.6,7.1,0c0.3-0.2,0.7-0.3,1.1-0.1c0.3,0.2,0.5,0.6,0.5,1c-0.2,2.7-1.5,5.1-3.6,6.8C16.6,21.2,14.4,22,12.1,22zM9.3,4.4c-2.9,1-5,3.6-5.2,6.8c-0.4,4.4,2.8,8.3,7.2,8.7c2.1,0.2,4.2-0.4,5.8-1.8c1.1-0.9,1.9-2.1,2.4-3.4c-2.5,0.9-5.3,0.5-7.5-1.1C9.2,11.4,8.1,7.7,9.3,4.4z"></path></svg><!--]--></span></span></button></div><div class="VPSocialLinks VPNavBarSocialLinks social-links" data-v-1d72176a data-v-804ae77e data-v-f57dd261><!--[--><a class="VPSocialLink no-icon" href="https://github.com/Charles7c/charles7c.github.io" aria-label="github" target="_blank" rel="noopener" data-v-f57dd261 data-v-19217157><svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>GitHub</title><path d="M12 .297c-6.63 0-12 5.373-12 12 0 5.303 3.438 9.8 8.205 11.385.6.113.82-.258.82-.577 0-.285-.01-1.04-.015-2.04-3.338.724-4.042-1.61-4.042-1.61C4.422 18.07 3.633 17.7 3.633 17.7c-1.087-.744.084-.729.084-.729 1.205.084 1.838 1.236 1.838 1.236 1.07 1.835 2.809 1.305 3.495.998.108-.776.417-1.305.76-1.605-2.665-.3-5.466-1.332-5.466-5.93 0-1.31.465-2.38 1.235-3.22-.135-.303-.54-1.523.105-3.176 0 0 1.005-.322 3.3 1.23.96-.267 1.98-.399 3-.405 1.02.006 2.04.138 3 .405 2.28-1.552 3.285-1.23 3.285-1.23.645 1.653.24 2.873.12 3.176.765.84 1.23 1.91 1.23 3.22 0 4.61-2.805 5.625-5.475 5.92.42.36.81 1.096.81 2.22 0 1.606-.015 2.896-.015 3.286 0 .315.21.69.825.57C20.565 22.092 24 17.592 24 12.297c0-6.627-5.373-12-12-12"/></svg></a><a class="VPSocialLink no-icon" href="https://gitee.com/Charles7c/charles7c" aria-label target="_blank" rel="noopener" data-v-f57dd261 data-v-19217157><svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>码云</title><path d="M11.984 0A12 12 0 0 0 0 12a12 12 0 0 0 12 12 12 12 0 0 0 12-12A12 12 0 0 0 12 0a12 12 0 0 0-.016 0zm6.09 5.333c.328 0 .593.266.592.593v1.482a.594.594 0 0 1-.593.592H9.777c-.982 0-1.778.796-1.778 1.778v5.63c0 .327.266.592.593.592h5.63c.982 0 1.778-.796 1.778-1.778v-.296a.593.593 0 0 0-.592-.593h-4.15a.592.592 0 0 1-.592-.592v-1.482a.593.593 0 0 1 .593-.592h6.815c.327 0 .593.265.593.592v3.408a4 4 0 0 1-4 4H5.926a.593.593 0 0 1-.593-.593V9.778a4.444 4.444 0 0 1 4.445-4.444h8.296Z"/></svg></a><a class="VPSocialLink no-icon" href="https://cnadmin.charles7c.top/" aria-label target="_blank" rel="noopener" data-v-f57dd261 data-v-19217157><svg width="33" height="33" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 174.8 204">
|
||
<title>ContiNew Admin</title>
|
||
<path fill="#307AF2" d="M86.7,0l88,51v.2l-16.3,9.4v-.2L86.7,18.9Zm71.8,143.5,16.3,9.4v.2L86.8,204h0l-16.3-9.4,16.3-9.4h0l71.7-41.5v-.2Z"/>
|
||
<path fill="#12D2AC" d="M16.3,143.5v.2L58,167.8l-16.3,9.4L0,153.1v-.2Z"/>
|
||
<path fill="#12D2AC" d="M104.1,93,15.9,143.8l-.2-.1V124.9l.2.1L87.7,83.6,104.1,93Z"/>
|
||
<path fill="#0057FE" d="M88.1,0,.1,51v.2l16.3,9.4v-.2L88.1,18.9Z"/>
|
||
<path fill="#307AF2" d="M.1,50.9.2,152.6l.2.1,16.3-9.4-.2-.1-.1-82.9L.1,50.9Z"/>
|
||
<path fill="#0057FE" d="M174.7,50.9l-.1,101.7-.2.1-16.3-9.4.2-.1.1-82.9Z"/>
|
||
<path fill="#12D2AC" d="M41.7,158.5l16.1,9.4,100.6-58.7V90.4Z"/>
|
||
</svg></a><!--]--></div><div class="VPFlyout VPNavBarExtra extra" data-v-1d72176a data-v-3893c6ae data-v-f18e2dbf><button type="button" class="button" aria-haspopup="true" aria-expanded="false" aria-label="extra navigation" data-v-f18e2dbf><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" viewbox="0 0 24 24" class="icon" data-v-f18e2dbf><circle cx="12" cy="12" r="2"></circle><circle cx="19" cy="12" r="2"></circle><circle cx="5" cy="12" r="2"></circle></svg></button><div class="menu" data-v-f18e2dbf><div class="VPMenu" data-v-f18e2dbf data-v-8a7fe2f1><!----><!--[--><!--[--><!----><div class="group" data-v-3893c6ae><div class="item appearance" data-v-3893c6ae><p class="label" data-v-3893c6ae>切换日光/暗黑模式</p><div class="appearance-action" data-v-3893c6ae><button class="VPSwitch VPSwitchAppearance" type="button" role="switch" title="Switch to dark theme" aria-checked="false" data-v-3893c6ae data-v-1502017d data-v-54e1997a><span class="check" data-v-54e1997a><span class="icon" data-v-54e1997a><!--[--><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" viewbox="0 0 24 24" class="sun" data-v-1502017d><path d="M12,18c-3.3,0-6-2.7-6-6s2.7-6,6-6s6,2.7,6,6S15.3,18,12,18zM12,8c-2.2,0-4,1.8-4,4c0,2.2,1.8,4,4,4c2.2,0,4-1.8,4-4C16,9.8,14.2,8,12,8z"></path><path d="M12,4c-0.6,0-1-0.4-1-1V1c0-0.6,0.4-1,1-1s1,0.4,1,1v2C13,3.6,12.6,4,12,4z"></path><path d="M12,24c-0.6,0-1-0.4-1-1v-2c0-0.6,0.4-1,1-1s1,0.4,1,1v2C13,23.6,12.6,24,12,24z"></path><path d="M5.6,6.6c-0.3,0-0.5-0.1-0.7-0.3L3.5,4.9c-0.4-0.4-0.4-1,0-1.4s1-0.4,1.4,0l1.4,1.4c0.4,0.4,0.4,1,0,1.4C6.2,6.5,5.9,6.6,5.6,6.6z"></path><path d="M19.8,20.8c-0.3,0-0.5-0.1-0.7-0.3l-1.4-1.4c-0.4-0.4-0.4-1,0-1.4s1-0.4,1.4,0l1.4,1.4c0.4,0.4,0.4,1,0,1.4C20.3,20.7,20,20.8,19.8,20.8z"></path><path d="M3,13H1c-0.6,0-1-0.4-1-1s0.4-1,1-1h2c0.6,0,1,0.4,1,1S3.6,13,3,13z"></path><path d="M23,13h-2c-0.6,0-1-0.4-1-1s0.4-1,1-1h2c0.6,0,1,0.4,1,1S23.6,13,23,13z"></path><path d="M4.2,20.8c-0.3,0-0.5-0.1-0.7-0.3c-0.4-0.4-0.4-1,0-1.4l1.4-1.4c0.4-0.4,1-0.4,1.4,0s0.4,1,0,1.4l-1.4,1.4C4.7,20.7,4.5,20.8,4.2,20.8z"></path><path d="M18.4,6.6c-0.3,0-0.5-0.1-0.7-0.3c-0.4-0.4-0.4-1,0-1.4l1.4-1.4c0.4-0.4,1-0.4,1.4,0s0.4,1,0,1.4l-1.4,1.4C18.9,6.5,18.6,6.6,18.4,6.6z"></path></svg><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" viewbox="0 0 24 24" class="moon" data-v-1502017d><path d="M12.1,22c-0.3,0-0.6,0-0.9,0c-5.5-0.5-9.5-5.4-9-10.9c0.4-4.8,4.2-8.6,9-9c0.4,0,0.8,0.2,1,0.5c0.2,0.3,0.2,0.8-0.1,1.1c-2,2.7-1.4,6.4,1.3,8.4c2.1,1.6,5,1.6,7.1,0c0.3-0.2,0.7-0.3,1.1-0.1c0.3,0.2,0.5,0.6,0.5,1c-0.2,2.7-1.5,5.1-3.6,6.8C16.6,21.2,14.4,22,12.1,22zM9.3,4.4c-2.9,1-5,3.6-5.2,6.8c-0.4,4.4,2.8,8.3,7.2,8.7c2.1,0.2,4.2-0.4,5.8-1.8c1.1-0.9,1.9-2.1,2.4-3.4c-2.5,0.9-5.3,0.5-7.5-1.1C9.2,11.4,8.1,7.7,9.3,4.4z"></path></svg><!--]--></span></span></button></div></div></div><div class="group" data-v-3893c6ae><div class="item social-links" data-v-3893c6ae><div class="VPSocialLinks social-links-list" data-v-3893c6ae data-v-f57dd261><!--[--><a class="VPSocialLink no-icon" href="https://github.com/Charles7c/charles7c.github.io" aria-label="github" target="_blank" rel="noopener" data-v-f57dd261 data-v-19217157><svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>GitHub</title><path d="M12 .297c-6.63 0-12 5.373-12 12 0 5.303 3.438 9.8 8.205 11.385.6.113.82-.258.82-.577 0-.285-.01-1.04-.015-2.04-3.338.724-4.042-1.61-4.042-1.61C4.422 18.07 3.633 17.7 3.633 17.7c-1.087-.744.084-.729.084-.729 1.205.084 1.838 1.236 1.838 1.236 1.07 1.835 2.809 1.305 3.495.998.108-.776.417-1.305.76-1.605-2.665-.3-5.466-1.332-5.466-5.93 0-1.31.465-2.38 1.235-3.22-.135-.303-.54-1.523.105-3.176 0 0 1.005-.322 3.3 1.23.96-.267 1.98-.399 3-.405 1.02.006 2.04.138 3 .405 2.28-1.552 3.285-1.23 3.285-1.23.645 1.653.24 2.873.12 3.176.765.84 1.23 1.91 1.23 3.22 0 4.61-2.805 5.625-5.475 5.92.42.36.81 1.096.81 2.22 0 1.606-.015 2.896-.015 3.286 0 .315.21.69.825.57C20.565 22.092 24 17.592 24 12.297c0-6.627-5.373-12-12-12"/></svg></a><a class="VPSocialLink no-icon" href="https://gitee.com/Charles7c/charles7c" aria-label target="_blank" rel="noopener" data-v-f57dd261 data-v-19217157><svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>码云</title><path d="M11.984 0A12 12 0 0 0 0 12a12 12 0 0 0 12 12 12 12 0 0 0 12-12A12 12 0 0 0 12 0a12 12 0 0 0-.016 0zm6.09 5.333c.328 0 .593.266.592.593v1.482a.594.594 0 0 1-.593.592H9.777c-.982 0-1.778.796-1.778 1.778v5.63c0 .327.266.592.593.592h5.63c.982 0 1.778-.796 1.778-1.778v-.296a.593.593 0 0 0-.592-.593h-4.15a.592.592 0 0 1-.592-.592v-1.482a.593.593 0 0 1 .593-.592h6.815c.327 0 .593.265.593.592v3.408a4 4 0 0 1-4 4H5.926a.593.593 0 0 1-.593-.593V9.778a4.444 4.444 0 0 1 4.445-4.444h8.296Z"/></svg></a><a class="VPSocialLink no-icon" href="https://cnadmin.charles7c.top/" aria-label target="_blank" rel="noopener" data-v-f57dd261 data-v-19217157><svg width="33" height="33" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 174.8 204">
|
||
<title>ContiNew Admin</title>
|
||
<path fill="#307AF2" d="M86.7,0l88,51v.2l-16.3,9.4v-.2L86.7,18.9Zm71.8,143.5,16.3,9.4v.2L86.8,204h0l-16.3-9.4,16.3-9.4h0l71.7-41.5v-.2Z"/>
|
||
<path fill="#12D2AC" d="M16.3,143.5v.2L58,167.8l-16.3,9.4L0,153.1v-.2Z"/>
|
||
<path fill="#12D2AC" d="M104.1,93,15.9,143.8l-.2-.1V124.9l.2.1L87.7,83.6,104.1,93Z"/>
|
||
<path fill="#0057FE" d="M88.1,0,.1,51v.2l16.3,9.4v-.2L88.1,18.9Z"/>
|
||
<path fill="#307AF2" d="M.1,50.9.2,152.6l.2.1,16.3-9.4-.2-.1-.1-82.9L.1,50.9Z"/>
|
||
<path fill="#0057FE" d="M174.7,50.9l-.1,101.7-.2.1-16.3-9.4.2-.1.1-82.9Z"/>
|
||
<path fill="#12D2AC" d="M41.7,158.5l16.1,9.4,100.6-58.7V90.4Z"/>
|
||
</svg></a><!--]--></div></div></div><!--]--><!--]--></div></div></div><!--[--><!--]--><button type="button" class="VPNavBarHamburger hamburger" aria-label="mobile navigation" aria-expanded="false" aria-controls="VPNavScreen" data-v-1d72176a data-v-a6ca9ab6><span class="container" data-v-a6ca9ab6><span class="top" data-v-a6ca9ab6></span><span class="middle" data-v-a6ca9ab6></span><span class="bottom" data-v-a6ca9ab6></span></span></button></div></div></div></div><!----></header><div class="VPLocalNav reached-top" data-v-03322d68 data-v-b9e3214b><button class="menu" aria-expanded="false" aria-controls="VPSidebarNav" data-v-b9e3214b><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" viewbox="0 0 24 24" class="menu-icon" data-v-b9e3214b><path d="M17,11H3c-0.6,0-1-0.4-1-1s0.4-1,1-1h14c0.6,0,1,0.4,1,1S17.6,11,17,11z"></path><path d="M21,7H3C2.4,7,2,6.6,2,6s0.4-1,1-1h18c0.6,0,1,0.4,1,1S21.6,7,21,7z"></path><path d="M21,15H3c-0.6,0-1-0.4-1-1s0.4-1,1-1h18c0.6,0,1,0.4,1,1S21.6,15,21,15z"></path><path d="M17,19H3c-0.6,0-1-0.4-1-1s0.4-1,1-1h14c0.6,0,1,0.4,1,1S17.6,19,17,19z"></path></svg><span class="menu-text" data-v-b9e3214b>文章</span></button><div class="VPLocalNavOutlineDropdown" style="--vp-vh:0px;" data-v-b9e3214b data-v-06057024><button data-v-06057024>返回顶部</button><!----></div></div><aside class="VPSidebar" data-v-03322d68 data-v-802ad7d8><div class="curtain" data-v-802ad7d8></div><nav class="nav" id="VPSidebarNav" aria-labelledby="sidebar-aria-label" tabindex="-1" data-v-802ad7d8><span class="visually-hidden" id="sidebar-aria-label" data-v-802ad7d8> Sidebar Navigation </span><!--[--><!--]--><!--[--><div class="group" data-v-802ad7d8><section class="VPSidebarItem level-0 collapsible has-active" data-v-802ad7d8 data-v-95d837d1><div class="item" role="button" tabindex="0" data-v-95d837d1><div class="indicator" data-v-95d837d1></div><h2 class="text" data-v-95d837d1>MyBatis基础 (8篇)</h2><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-95d837d1><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" viewbox="0 0 24 24" class="caret-icon" data-v-95d837d1><path d="M9,19c-0.3,0-0.5-0.1-0.7-0.3c-0.4-0.4-0.4-1,0-1.4l5.3-5.3L8.3,6.7c-0.4-0.4-0.4-1,0-1.4s1-0.4,1.4,0l6,6c0.4,0.4,0.4,1,0,1.4l-6,6C9.5,18.9,9.3,19,9,19z"></path></svg></div></div><div class="items" data-v-95d837d1><!--[--><div class="VPSidebarItem level-1 is-link" data-v-95d837d1 data-v-95d837d1><div class="item" data-v-95d837d1><div class="indicator" data-v-95d837d1></div><a class="VPLink link link" href="/courses/mybatis/01-MyBatis%E5%9F%BA%E7%A1%80/01-%E5%BF%AB%E9%80%9F%E5%85%A5%E9%97%A8" data-v-95d837d1><!--[--><p class="text" data-v-95d837d1><div class="text-color-red mr-[6px]" style="font-weight: 550; display: inline-block;">1</div>快速入门</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-95d837d1 data-v-95d837d1><div class="item" data-v-95d837d1><div class="indicator" data-v-95d837d1></div><a class="VPLink link link" href="/courses/mybatis/01-MyBatis%E5%9F%BA%E7%A1%80/02-%E6%A0%B8%E5%BF%83%E5%AF%B9%E8%B1%A1" data-v-95d837d1><!--[--><p class="text" data-v-95d837d1><div class="text-color-orange mr-[6px]" style="font-weight: 550; display: inline-block;">2</div>核心对象</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-95d837d1 data-v-95d837d1><div class="item" data-v-95d837d1><div class="indicator" data-v-95d837d1></div><a class="VPLink link link" href="/courses/mybatis/01-MyBatis%E5%9F%BA%E7%A1%80/03-%E6%A0%B8%E5%BF%83%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6" data-v-95d837d1><!--[--><p class="text" data-v-95d837d1><div class="text-color-yellow mr-[6px]" style="font-weight: 550; display: inline-block;">3</div>核心配置文件</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-95d837d1 data-v-95d837d1><div class="item" data-v-95d837d1><div class="indicator" data-v-95d837d1></div><a class="VPLink link link" href="/courses/mybatis/01-MyBatis%E5%9F%BA%E7%A1%80/04-SQL%E6%98%A0%E5%B0%84%E6%96%87%E4%BB%B6%E4%B9%8B%E6%9F%A5%E8%AF%A2%E5%85%83%E7%B4%A0" data-v-95d837d1><!--[--><p class="text" data-v-95d837d1><div class="text-color-gray mr-[6px]" style="font-weight: 550; display: inline-block;">4</div>SQL映射文件之查询元素</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-95d837d1 data-v-95d837d1><div class="item" data-v-95d837d1><div class="indicator" data-v-95d837d1></div><a class="VPLink link link" href="/courses/mybatis/01-MyBatis%E5%9F%BA%E7%A1%80/05-SQL%E6%98%A0%E5%B0%84%E6%96%87%E4%BB%B6%E4%B9%8B%E5%A2%9E%E5%88%A0%E6%94%B9%E5%85%83%E7%B4%A0" data-v-95d837d1><!--[--><p class="text" data-v-95d837d1><div class="text-color-gray mr-[6px]" style="font-weight: 550; display: inline-block;">5</div>SQL映射文件之增删改元素</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-95d837d1 data-v-95d837d1><div class="item" data-v-95d837d1><div class="indicator" data-v-95d837d1></div><a class="VPLink link link" href="/courses/mybatis/01-MyBatis%E5%9F%BA%E7%A1%80/06-SQL%E6%98%A0%E5%B0%84%E6%96%87%E4%BB%B6%E4%B9%8B%E8%87%AA%E5%AE%9A%E4%B9%89%E6%98%A0%E5%B0%84%E5%85%83%E7%B4%A0" data-v-95d837d1><!--[--><p class="text" data-v-95d837d1><div class="text-color-gray mr-[6px]" style="font-weight: 550; display: inline-block;">6</div>SQL映射文件之自定义映射元素</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-95d837d1 data-v-95d837d1><div class="item" data-v-95d837d1><div class="indicator" data-v-95d837d1></div><a class="VPLink link link" href="/courses/mybatis/01-MyBatis%E5%9F%BA%E7%A1%80/07-SQL%E6%98%A0%E5%B0%84%E6%96%87%E4%BB%B6%E4%B9%8B%E7%BC%93%E5%AD%98%E5%85%83%E7%B4%A0" data-v-95d837d1><!--[--><p class="text" data-v-95d837d1><div class="text-color-gray mr-[6px]" style="font-weight: 550; display: inline-block;">7</div>SQL映射文件之缓存元素</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-95d837d1 data-v-95d837d1><div class="item" data-v-95d837d1><div class="indicator" data-v-95d837d1></div><a class="VPLink link link" href="/courses/mybatis/01-MyBatis%E5%9F%BA%E7%A1%80/08-%E5%8A%A8%E6%80%81SQL" data-v-95d837d1><!--[--><p class="text" data-v-95d837d1><div class="text-color-gray mr-[6px]" style="font-weight: 550; display: inline-block;">8</div>动态SQL</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><div class="group" data-v-802ad7d8><section class="VPSidebarItem level-0 collapsible" data-v-802ad7d8 data-v-95d837d1><div class="item" role="button" tabindex="0" data-v-95d837d1><div class="indicator" data-v-95d837d1></div><h2 class="text" data-v-95d837d1>MyBatis-Plus基础 (5篇)</h2><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-95d837d1><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" viewbox="0 0 24 24" class="caret-icon" data-v-95d837d1><path d="M9,19c-0.3,0-0.5-0.1-0.7-0.3c-0.4-0.4-0.4-1,0-1.4l5.3-5.3L8.3,6.7c-0.4-0.4-0.4-1,0-1.4s1-0.4,1.4,0l6,6c0.4,0.4,0.4,1,0,1.4l-6,6C9.5,18.9,9.3,19,9,19z"></path></svg></div></div><div class="items" data-v-95d837d1><!--[--><div class="VPSidebarItem level-1 is-link" data-v-95d837d1 data-v-95d837d1><div class="item" data-v-95d837d1><div class="indicator" data-v-95d837d1></div><a class="VPLink link link" href="/courses/mybatis/02-MyBatis-Plus%E5%9F%BA%E7%A1%80/01-%E5%BF%AB%E9%80%9F%E5%85%A5%E9%97%A8" data-v-95d837d1><!--[--><p class="text" data-v-95d837d1><div class="text-color-red mr-[6px]" style="font-weight: 550; display: inline-block;">1</div>快速入门</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-95d837d1 data-v-95d837d1><div class="item" data-v-95d837d1><div class="indicator" data-v-95d837d1></div><a class="VPLink link link" href="/courses/mybatis/02-MyBatis-Plus%E5%9F%BA%E7%A1%80/02-%E5%A2%9E%E5%88%A0%E6%94%B9%E6%93%8D%E4%BD%9C" data-v-95d837d1><!--[--><p class="text" data-v-95d837d1><div class="text-color-orange mr-[6px]" style="font-weight: 550; display: inline-block;">2</div>增删改操作</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-95d837d1 data-v-95d837d1><div class="item" data-v-95d837d1><div class="indicator" data-v-95d837d1></div><a class="VPLink link link" href="/courses/mybatis/02-MyBatis-Plus%E5%9F%BA%E7%A1%80/03-%E7%AE%80%E5%8D%95%E6%9F%A5%E8%AF%A2%E6%93%8D%E4%BD%9C" data-v-95d837d1><!--[--><p class="text" data-v-95d837d1><div class="text-color-yellow mr-[6px]" style="font-weight: 550; display: inline-block;">3</div>简单查询操作</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-95d837d1 data-v-95d837d1><div class="item" data-v-95d837d1><div class="indicator" data-v-95d837d1></div><a class="VPLink link link" href="/courses/mybatis/02-MyBatis-Plus%E5%9F%BA%E7%A1%80/04-%E6%9D%A1%E4%BB%B6%E6%9E%84%E9%80%A0%E5%99%A8" data-v-95d837d1><!--[--><p class="text" data-v-95d837d1><div class="text-color-gray mr-[6px]" style="font-weight: 550; display: inline-block;">4</div>条件构造器</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-95d837d1 data-v-95d837d1><div class="item" data-v-95d837d1><div class="indicator" data-v-95d837d1></div><a class="VPLink link link" href="/courses/mybatis/02-MyBatis-Plus%E5%9F%BA%E7%A1%80/05-%E4%BB%A3%E7%A0%81%E7%94%9F%E6%88%90%E5%99%A8" data-v-95d837d1><!--[--><p class="text" data-v-95d837d1><div class="text-color-gray mr-[6px]" style="font-weight: 550; display: inline-block;">5</div>代码生成器</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><!--]--><!--[--><!--]--></nav></aside><div class="VPContent has-sidebar" id="VPContent" data-v-03322d68 data-v-2c336b25><div class="VPDoc has-sidebar has-aside" data-v-2c336b25 data-v-53ed897c><!--[--><!--]--><div class="container" data-v-53ed897c><div class="aside" data-v-53ed897c><div class="aside-curtain" data-v-53ed897c></div><div class="aside-container" data-v-53ed897c><div class="aside-content" data-v-53ed897c><div class="VPDocAside" data-v-53ed897c data-v-3d450548><!--[--><!--]--><!--[--><!--]--><div class="VPDocAsideOutline" role="navigation" data-v-3d450548 data-v-70b38f01><div class="content" data-v-70b38f01><div class="outline-marker" data-v-70b38f01></div><div class="outline-title" role="heading" aria-level="2" data-v-70b38f01>目录</div><nav aria-labelledby="doc-outline-aria-label" data-v-70b38f01><span class="visually-hidden" id="doc-outline-aria-label" data-v-70b38f01> Table of Contents for current page </span><ul class="root" data-v-70b38f01 data-v-e10534d6><!--[--><!--]--></ul></nav></div></div><!--[--><!--]--><div class="spacer" data-v-3d450548></div><!--[--><!--]--><!----><!--[--><!--]--><!--[--><!--]--></div></div></div></div><div class="content" data-v-53ed897c><div class="content-container" data-v-53ed897c><!--[--><!--]--><!----><main class="main" data-v-53ed897c><div style="position:relative;" class="vp-doc _courses_mybatis_01-MyBatis%E5%9F%BA%E7%A1%80_02-%E6%A0%B8%E5%BF%83%E5%AF%B9%E8%B1%A1" data-v-53ed897c><div><h1 id="核心对象" tabindex="-1">核心对象 <a class="header-anchor" href="#核心对象" aria-label="Permalink to "核心对象""></a></h1><!----><h2 id="前言" tabindex="-1">前言 <a class="header-anchor" href="#前言" aria-label="Permalink to "前言""></a></h2><p><strong>C：</strong> 在上一篇，笔者带大家对 MyBatis 做了一个快速入门，不知道你是否已经掌握了 MyBatis 的使用步骤呢？本篇，笔者将继续带你学习 MyBatis，掌握对上篇中三个核心对象的概念理解和使用。</p><p>在 API 使用层面，MyBatis 的核心类型有三个，分别是：SqlSessionFactoryBuilder、SqlSessionFactory、SqlSession。</p><p><img src="/assets/202012252243280.KeCx0TR7.png" alt="202012252243280"></p><h2 id="sqlsessionfactorybuilder" tabindex="-1">SqlSessionFactoryBuilder <a class="header-anchor" href="#sqlsessionfactorybuilder" aria-label="Permalink to "SqlSessionFactoryBuilder""></a></h2><p>SqlSessionFactoryBuilder 是 MyBatis 中应用构建者模式的一个类，它的作用就是用来 <strong>读取 MyBatis 的核心配置文件信息，然后来构建一个 SqlSessionFactory 对象</strong> 。</p><p>对于 SqlSessionFactoryBuilder 这个类，使用完就没有什么价值了，所以它的生命周期只存在于方法体内即可，也就是作为一个局部变量存在。</p><p><strong>以下是它的使用方式：</strong></p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark-dimmed vp-code"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;">// Resources 类是 MyBatis 中的一个资源加载工具类</span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;">// 1.从 classpath 下将 MyBatis 核心配置文件内容加载为一个输入流对象</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">InputStream</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> is</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> Resources.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;">getResourceAsStream</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#96D0FF;">"mybatis-config.xml"</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">); </span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;">// 2.构建 SqlSessionFactory 对象</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">SqlSessionFactory</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> sqlSessionFactory</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> =</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;"> SqlSessionFactoryBuilder</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">().</span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;">build</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">(is);</span></span></code></pre></div><p><strong>以下是它的常用方法：</strong></p><ul><li>build(InputStream inputStream) : SqlSessionFactory 通过字节输入流构建</li><li>build(Reader reader) : SqlSessionFactory 通过字符输入流构建</li><li>build(Configuration config) : SqlSessionFactory 通过Configuration构建</li><li>....</li></ul><div class="tip custom-block"><p class="custom-block-title">笔者说</p><p>因为 SqlSessionFactory 对象构建需要的配置参数很多，且不能保证每个参数都是正确的或者不能一次性得到构建所需的所有参数（有些参数是初始化时需要的，如数据源配置，延迟加载配置，事务配置等，有些是框架运行过程中需要的，如SQL映射等[1]），所以不能采用简单的 new 方式来创建对象。</p></div><h2 id="sqlsessionfactory" tabindex="-1">SqlSessionFactory <a class="header-anchor" href="#sqlsessionfactory" aria-label="Permalink to "SqlSessionFactory""></a></h2><p>SqlSessionFactory 对象比较重要，它的作用是 <strong>创建 SqlSession 对象</strong> 。</p><p><strong>以下是它的常用方法：</strong></p><ul><li><p>openSession() : SqlSession 获取 SqlSession对象</p><p>该方法是我们最常用的方法，同时也是开启事务处理的（参见下方源码）</p></li><li><p>openSession(boolean autoCommit) : SqlSession 获取SqlSession对象，自行指定是否开启事务</p><p>autoCommit 参数是用来指定是否开启自动提交的</p><p>如果 autoCommit 的值为 true，代表关闭事务处理。反之，代表开启事务处理。</p></li></ul><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark-dimmed vp-code"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;">// DefaultSqlSessionFactory 是 SqlSessionFactory的实现类</span></span>
|
||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#F69D50;"> DefaultSqlSessionFactory</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> implements</span><span style="--shiki-light:#6F42C1;--shiki-dark:#6CB6FF;"> SqlSessionFactory</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> // ...</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">Override</span></span>
|
||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> public</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> SqlSession </span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;">openSession</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">() {</span></span>
|
||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> return</span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;"> openSessionFromDataSource</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">(configuration.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;">getDefaultExecutorType</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">(), </span><span style="--shiki-light:#005CC5;--shiki-dark:#6CB6FF;">null</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#6CB6FF;">false</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">);</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">Override</span></span>
|
||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> public</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> SqlSession </span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;">openSession</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">boolean</span><span style="--shiki-light:#E36209;--shiki-dark:#F69D50;"> autoCommit</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> return</span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;"> openSessionFromDataSource</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">(configuration.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;">getDefaultExecutorType</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">(), </span><span style="--shiki-light:#005CC5;--shiki-dark:#6CB6FF;">null</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">, autoCommit);</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> // ...</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">}</span></span></code></pre></div><p>每一个 MyBatis 的应用程序都以一个 SqlSessionFactory 对象为核心。SqlSessionFactory 一旦被创建， <strong>它的生命周期应该与应用的生命周期相同</strong> ，所以在应用运行期间不要重复创建 SqlSessionFactory 对象。</p><p>为此，我们可以使用单例模式来改造获取 SqlSessionFactory 对象的方式。</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark-dimmed vp-code"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;">/**</span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> * MyBatis 工具类</span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> * </span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">@author</span><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> Charles7c</span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> */</span></span>
|
||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#F69D50;"> MyBatisUtils</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> {</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> // 私有化构造函数</span></span>
|
||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> private</span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;"> MyBatisUtils</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">() {}</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> </span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> // 静态对象</span></span>
|
||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> private</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> volatile</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> SqlSessionFactory</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> SQL_SESSION_FACTORY</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> =</span><span style="--shiki-light:#005CC5;--shiki-dark:#6CB6FF;"> null</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">;</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> </span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> /**</span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> * 获取 SqlSessionFactory 对象</span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> * </span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">@return</span><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> 单例的 SqlSessionFactory 对象</span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> * </span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">@throws</span><span style="--shiki-light:#6F42C1;--shiki-dark:#F69D50;"> IOException</span><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> /</span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> */</span></span>
|
||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> static</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> SqlSessionFactory </span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;">getSqlSessionFactory</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">() </span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">throws</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> IOException {</span></span>
|
||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> (SQL_SESSION_FACTORY </span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">==</span><span style="--shiki-light:#005CC5;--shiki-dark:#6CB6FF;"> null</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> // 同步锁</span></span>
|
||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> synchronized</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">(MyBatisUtils.class) {</span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> // 双重检测机制</span></span>
|
||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> (SQL_SESSION_FACTORY </span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">==</span><span style="--shiki-light:#005CC5;--shiki-dark:#6CB6FF;"> null</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> // 从 classpath 加载核心配置文件，构建 SqlSession 工厂对象</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> InputStream</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> is</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> Resources.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;">getResourceAsStream</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#96D0FF;">"mybatis-config.xml"</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">);</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> SQL_SESSION_FACTORY </span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">=</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;"> SqlSessionFactoryBuilder</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">().</span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;">build</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">(is);</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> return</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> SQL_SESSION_FACTORY;</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> }</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">}</span></span></code></pre></div><h2 id="sqlsession" tabindex="-1">SqlSession <a class="header-anchor" href="#sqlsession" aria-label="Permalink to "SqlSession""></a></h2><p>SqlSession 是 MyBatis 执行持久化操作的关键对象，类似于 JDBC 中的 Connection。 <strong>SqlSession 对象包含了执行 SQL 所需的所有方法</strong> ，它的底层封装了 JDBC 连接，可以用 SqlSession 实例来直接执行被映射的 SQL 语句。</p><p><strong>以下是它的常用方法：</strong></p><ul><li>insert(String statement, Object parameter) : int 增加操作</li><li>delete(String statement, Object parameter) : int 删除操作</li><li>update(String statement, Object parameter) : int 修改操作</li><li>selectOne(String statement) : T 单个查询</li><li>selectOne(String statement, Object parameter) : T 带参数单个查询</li><li>selectList(String statement) : List<E> 集合查询</li><li>selectList(String statement, Object parameter) : List<E> 带参数集合查询</li><li>commit() : void 提交事务</li><li>rollback() : void 回滚事务</li><li>getMapper(Class<T> type) : T 获取Mapper接口（Mapper接口开发）</li><li>...</li></ul><p>每个线程都应该有它自己的 SqlSession 实例， SqlSession 的实例不是线程安全的，因此是不能被共享的，所以它的最佳的作用域是请求或方法作用域。绝对不能将 SqlSession 实例的引用放在一个类的静态域，甚至一个类的实例变量也不行。也绝不能将 SqlSession 实例的引用放在任何类型的托管作用域中，比如 Servlet 框架中的HttpSession。如果你现在正在使用一种 Web 框架，考虑将 SqlSession 放在一个和 HTTP 请求相似的作用域中。 换句话说，每次收到 HTTP 请求，就可以打开一个 SqlSession，返回一个响应后，就关闭它。[2] <strong>使用完 SqlSeesion 之后一定记得关闭，可以采用 finally 块或 try-with-resources</strong> 。在 SqlSession 里可以执行多次 SQL 语句，但一旦关闭了 SqlSession 就需要重新创建。</p><p>结合 SqlSessionFactory 的获取方式改造，下方是在 MyBatisUtils 工具类中又增加了 SqlSession 的获取方式改造。</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark-dimmed vp-code"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;">/**</span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> * 获取 SqlSession 对象（开启事务处理）</span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> * </span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">@return</span><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> SqlSession 对象</span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> * </span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">@throws</span><span style="--shiki-light:#6F42C1;--shiki-dark:#F69D50;"> IOException</span><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> /</span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> */</span></span>
|
||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> static</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> SqlSession </span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;">openSession</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">() throws IOException {</span></span>
|
||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> return</span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;"> getSqlSessionFactory</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">().</span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;">openSession</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">();</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">}</span></span></code></pre></div><h2 id="参考文献" tabindex="-1">参考文献 <a class="header-anchor" href="#参考文献" aria-label="Permalink to "参考文献""></a></h2><p>[1]哲雪君!. 第五篇 mybatis的运行原理（2）：构建者模式， SqlSessionFactoryBuilder类解析[EB/OL]. <a href="https://www.cnblogs.com/zhexuejun/p/11285206.html" target="_blank" rel="noreferrer">https://www.cnblogs.com/zhexuejun/p/11285206.html</a>. 2019-08-14</p><p>[2]MyBatis官网. MyBatis 入门 | 作用域（Scope）和生命周期[EB/OL]. <a href="https://mybatis.org/mybatis-3/zh/getting-started.html" target="_blank" rel="noreferrer">https://mybatis.org/mybatis-3/zh/getting-started.html</a>. 2020-12-26</p><h2 id="后记" tabindex="-1">后记 <a class="header-anchor" href="#后记" aria-label="Permalink to "后记""></a></h2><p>到此为止，笔者就介绍完了在使用 MyBatis 时，所遇到的三个核心对象。同样经过上述对这些核心对象使用的改造后，我们也看一下到底它优化到了什么程度，开开眼吧。</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark-dimmed vp-code"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">@</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">Test</span></span>
|
||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;"> testSelectList</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">() throws IOException {</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> </span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> // 获取SqlSession对象</span></span>
|
||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> try</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> (SqlSession</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> sqlSession</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> MyBatisUtils.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;">openSession</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">()){</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> // 执行SQL语句</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> List</span><span style="--shiki-light:#24292E;--shiki-dark:#F69D50;"><</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">User</span><span style="--shiki-light:#24292E;--shiki-dark:#F69D50;">> </span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">userList</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> sqlSession.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;">selectList</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#96D0FF;">"userMapper.selectList"</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">);</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> </span></span>
|
||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#768390;"> // 遍历数据</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> userList.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;">forEach</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">(System.out</span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">::</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">println);</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> } </span><span style="--shiki-light:#D73A49;--shiki-dark:#F47067;">catch</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> (Exception </span><span style="--shiki-light:#E36209;--shiki-dark:#F69D50;">e</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> e.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#DCBDFB;">printStackTrace</span><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">();</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#ADBAC7;">}</span></span></code></pre></div><div class="info custom-block"><p class="custom-block-title">笔者说</p><p>对于技术的学习，笔者一贯遵循的步骤是：先用最最简单的 demo 让它跑起来，然后学学它的最最常用 API 和 配置让自己能用起来，最后熟练使用的基础上，在空闲时尝试阅读它的源码让自己能够洞彻它的运行机制，部分问题出现的原因，同时借鉴这些技术实现来提升自己的代码高度。 所以在笔者的文章中，前期基本都是小白文，仅仅穿插很少量的源码研究。当然等小白文更新多了，你们还依然喜欢，后期会不定时专门对部分技术的源码进行解析。</p></div></div></div></main><footer class="VPDocFooter" data-v-53ed897c data-v-f3af8004><!--[--><!--[--><!--[--><!--[--><!----><!--]--><!--]--><!--]--><!--]--><div class="edit-info" data-v-f3af8004><div class="edit-link" data-v-f3af8004><a class="VPLink link vp-external-link-icon no-icon edit-link-button" href="https://github.com/Charles7c/charles7c.github.io/edit/main/docs/courses/mybatis/01-MyBatis基础/02-核心对象.md" target="_blank" rel="noreferrer" data-v-f3af8004><!--[--><svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 24 24" class="edit-link-icon" aria-label="edit icon" data-v-f3af8004><path d="M18,23H4c-1.7,0-3-1.3-3-3V6c0-1.7,1.3-3,3-3h7c0.6,0,1,0.4,1,1s-0.4,1-1,1H4C3.4,5,3,5.4,3,6v14c0,0.6,0.4,1,1,1h14c0.6,0,1-0.4,1-1v-7c0-0.6,0.4-1,1-1s1,0.4,1,1v7C21,21.7,19.7,23,18,23z"></path><path d="M8,17c-0.3,0-0.5-0.1-0.7-0.3C7,16.5,6.9,16.1,7,15.8l1-4c0-0.2,0.1-0.3,0.3-0.5l9.5-9.5c1.2-1.2,3.2-1.2,4.4,0c1.2,1.2,1.2,3.2,0,4.4l-9.5,9.5c-0.1,0.1-0.3,0.2-0.5,0.3l-4,1C8.2,17,8.1,17,8,17zM9.9,12.5l-0.5,2.1l2.1-0.5l9.3-9.3c0.4-0.4,0.4-1.1,0-1.6c-0.4-0.4-1.2-0.4-1.6,0l0,0L9.9,12.5z M18.5,2.5L18.5,2.5L18.5,2.5z"></path></svg> 不妥之处，敬请雅正<!--]--></a></div><div class="last-updated" data-v-f3af8004><p class="VPLastUpdated" data-v-f3af8004 data-v-a25eb6f3>最后更新: <time datetime="2022-08-13T15:30:56.000Z" data-v-a25eb6f3></time></p></div></div><nav class="prev-next" data-v-f3af8004><div class="pager" data-v-f3af8004><a class="VPLink link pager-link prev" href="/courses/mybatis/01-MyBatis%E5%9F%BA%E7%A1%80/01-%E5%BF%AB%E9%80%9F%E5%85%A5%E9%97%A8" data-v-f3af8004><!--[--><span class="desc" data-v-f3af8004>上一篇</span><span class="title" data-v-f3af8004><div class="text-color-red mr-[6px]" style="font-weight: 550; display: inline-block;">1</div>快速入门</span><!--]--></a></div><div class="pager" data-v-f3af8004><a class="VPLink link pager-link next" href="/courses/mybatis/01-MyBatis%E5%9F%BA%E7%A1%80/03-%E6%A0%B8%E5%BF%83%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6" data-v-f3af8004><!--[--><span class="desc" data-v-f3af8004>下一篇</span><span class="title" data-v-f3af8004><div class="text-color-yellow mr-[6px]" style="font-weight: 550; display: inline-block;">3</div>核心配置文件</span><!--]--></a></div></nav></footer><!--[--><!--[--><!--[--><div id="comment-container"></div><!--]--><!--]--><!--]--></div></div></div><!--[--><!--]--></div></div><!----><!--[--><!--]--></div></div>
|
||
<script>window.__VP_HASH_MAP__=JSON.parse("{\"categories_fragments_2019_12_29_个人常用stream使用技巧.md\":\"CuDwLpDP\",\"categories_fragments_2022_03_26_修改git最后一次提交记录的作者和邮箱.md\":\"hSvi24NU\",\"categories_fragments_2022_03_27_修改git所有提交记录中的作者和邮箱.md\":\"OvDDBZd4\",\"categories_fragments_2019_12_31_个人常用linux命令.md\":\"lx3qwmph\",\"categories_fragments_2021_03_12_精密计算工具类-bigdecimal.md\":\"zBMJQ_Bo\",\"categories_fragments_2022_10_01_个人常用docker命令.md\":\"tQHhdswU\",\"categories_fragments_2019_12_30_个人常用hutool工具类.md\":\"8YjnAagp\",\"categories_fragments_2022_10_26_docker安装openldap.md\":\"mcPLxA8n\",\"categories_fragments_2022_10_31_centos安装docker.md\":\"aS1qV9Oq\",\"categories_fragments_2022_10_27_docker安装consul.md\":\"LIu1Q7_o\",\"categories_fragments_2022_10_06_个人常用快捷键.md\":\"7DmE2Sdn\",\"categories_fragments_2022_03_28_为指定git仓库单独配置用户名和邮箱.md\":\"qMYHQNJe\",\"categories_fragments_2022_10_05_个人常用git命令.md\":\"H2ehuVi6\",\"about_index.md\":\"aZfz3sjq\",\"categories_fragments_2022_03_25_合并两个git仓库的历史提交记录.md\":\"e24riSJ9\",\"categories_fragments_2022_08_29_内网centos服务器设置网络代理.md\":\"Wz9Gyo3N\",\"categories_fragments_2021_05_29_设计模式之单例模式.md\":\"Q_Kk2HQh\",\"categories_tools_2021_02_22_rdm快速入门.md\":\"-N1bZYLN\",\"categories_fragments_2022_10_28_docker安装minio.md\":\"pOrH5sCo\",\"categories_fragments_2022_12_07_网站开启灰色显示.md\":\"ALiJge8d\",\"archives.md\":\"hEvO1jAg\",\"categories_issues_2021_12_08_for循环中删除集合元素隐藏的陷阱.md\":\"HaXmdlA5\",\"categories_issues_2021_12_10_command line is too long. shorten command line for xxx or also for spring boot default configuration.md\":\"PXnmw2TY\",\"categories_issues_2022_10_25_解决centos8执行yum安装报错.md\":\"vWOngd9g\",\"categories_issues_2021_12_01_f盘上的回收站已损坏。是否清空该驱动器上的回收站.md\":\"dANDLbnx\",\"courses_mybatis_01-mybatis基础_05-sql映射文件之增删改元素.md\":\"Q1bwfP8k\",\"categories_fragments_2023_01_06_codereview方法论与实践总结.md\":\"Gh2QvWU0\",\"categories_fragments_index.md\":\"lRTNURvo\",\"categories_issues_2021_12_11_sql 注入攻击风险.md\":\"rljfD_Fi\",\"courses_java_01-java语法入门_05-变量和常量.md\":\"wVbb047E\",\"categories_issues_2021_12_13_无法访问f盘。文件或目录损坏且无法读取.md\":\"ly-jJhLg\",\"courses_java_01-java语法入门_07-控制语句和流程图.md\":\"t61wREmj\",\"categories_issues_2022_03_24_创建一个自身类的静态对象变量，究竟会如何执行？.md\":\"_sjVm5kR\",\"courses_java_01-java语法入门_04-程序和计算机的那点事儿.md\":\"i4Xi0Jl0\",\"categories_fragments_2023_12_21_一文详解限流接口实现.md\":\"HHXYHaRJ\",\"courses_java_01-java语法入门_02-第一个java程序.md\":\"b9EylDVG\",\"courses_mybatis_02-mybatis-plus基础_05-代码生成器.md\":\"hjpH5d8x\",\"courses_mybatis_index.md\":\"7LMzFTpl\",\"courses_mysql_01-mysql基础_01-mysql安装与配置.md\":\"bXq0pYDh\",\"courses_mysql_03-附录_01-centos安装mysql.md\":\"ZEGR5OmN\",\"index.md\":\"rpby8rrg\",\"courses_mysql_03-附录_02-docker安装mysql.md\":\"Qay1Rxzf\",\"courses_mybatis_01-mybatis基础_04-sql映射文件之查询元素.md\":\"UYQRCMvg\",\"courses_mybatis_01-mybatis基础_07-sql映射文件之缓存元素.md\":\"9orUXUze\",\"about_me.md\":\"yl4MsNR1\",\"categories_fragments_2022_11_01_使用idea进行远程程序调试.md\":\"0r_fvBId\",\"categories_issues_2022_10_29_docker设置网络代理.md\":\"5gbvC2uf\",\"categories_fragments_2019_12_28_个人sql优化技巧.md\":\"Cdwp1U23\",\"categories_issues_2022_01_26_javascript 无法存储 java long 类型数据问题.md\":\"IO54X60W\",\"categories_issues_2022_11_04_解决docker安装prometheus启动报错的问题.md\":\"wlwkdFKi\",\"categories_issues_2022_11_06_解决dotnet安装后报错的问题.md\":\"skCbcShV\",\"courses_java_01-java语法入门_06-常用的运算符.md\":\"ERU0p3Fx\",\"categories_issues_2022_11_23_解决maven传递依赖污染的问题.md\":\"GY3psqIs\",\"categories_issues_index.md\":\"Yzlc8cBS\",\"categories_solutions_2021_11_18_用java8获取近n天日期.md\":\"r9mp3BOr\",\"categories_issues_2022_09_23_解决无法重复读取请求体和响应体的问题.md\":\"QBFvmfGv\",\"categories_solutions_2022_09_07_递归查询树型结构数据的性能优化方案.md\":\"zWro2Zfo\",\"categories_solutions_index.md\":\"JPFJaff4\",\"categories_tools_2021_03_04_ardm快速入门.md\":\"zbxPd0TS\",\"categories_issues_2022_10_15_解决windows桌面部分快捷方式图标变为空白的问题.md\":\"Zuxd2KdY\",\"courses_java_01-java语法入门_01-开发环境搭建.md\":\"JchJHevH\",\"courses_java_01-java语法入门_03-初识eclipse.md\":\"VIICcUYm\",\"courses_java_01-java语法入门_12-程序调试入门.md\":\"1LT3Uu5K\",\"courses_java_01-java语法入门_11-多重循环.md\":\"79go9ddo\",\"courses_java_02-java面向对象_01-类和对象.md\":\"A4c0BkF0\",\"courses_java_03-java高级特性_01-集合与泛型-1.md\":\"3f19_0FV\",\"courses_java_04-附录_01-centos安装jdk.md\":\"mrm2xLeJ\",\"courses_java_01-java语法入门_13-一维数组.md\":\"tyF-2IM9\",\"categories_issues_2022_09_05_nginx转发请求，报13：permission denied错误.md\":\"PClZAC2K\",\"categories_tools_2021_01_14_初识lombok.md\":\"DDRTdFdf\",\"categories_solutions_2021_11_22_一条sql查询今年每月统计信息.md\":\"2pLzv9Tp\",\"courses_java_index.md\":\"Vd-Tt2Gz\",\"courses_mybatis_01-mybatis基础_02-核心对象.md\":\"J2u3OyyP\",\"courses_mybatis_01-mybatis基础_01-快速入门.md\":\"KXcjGx0w\",\"courses_mybatis_01-mybatis基础_06-sql映射文件之自定义映射元素.md\":\"yafOyEf1\",\"courses_mybatis_02-mybatis-plus基础_01-快速入门.md\":\"2M92eqRH\",\"categories_tools_2021_03_06_postman快速入门.md\":\"7P3rh4Zw\",\"courses_mybatis_01-mybatis基础_08-动态sql.md\":\"EiHlJ807\",\"courses_java_01-java语法入门_08-if选择结构.md\":\"GylQ89V9\",\"categories_issues_2022_08_11_执行shell脚本，报java command not found.md\":\"M4ZLKe1m\",\"courses_mybatis_02-mybatis-plus基础_03-简单查询操作.md\":\"OO_paHtp\",\"categories_tools_index.md\":\"qDqYFV-P\",\"courses_java_01-java语法入门_09-switch选择结构.md\":\"p1ZypRLa\",\"courses_mybatis_02-mybatis-plus基础_04-条件构造器.md\":\"v-MWEs-l\",\"courses_mybatis_01-mybatis基础_03-核心配置文件.md\":\"pjBK9LfV\",\"categories_tools_2021_03_10_quartz快速入门.md\":\"yXxsG68Z\",\"courses_java_01-java语法入门_10-循环结构.md\":\"z73Bcwe8\",\"courses_mybatis_02-mybatis-plus基础_02-增删改操作.md\":\"0wJpZsHd\",\"categories_fragments_2022_02_16_个人常用sql函数.md\":\"3XF3Onqb\",\"courses_mysql_index.md\":\"6rziEA5O\",\"categories_issues_2022_08_31_springboot项目引入openfeign后无法启动.md\":\"ChRCkQV5\",\"courses_java_01-java语法入门_14-多维数组.md\":\"C3Jtu4yX\",\"tags.md\":\"TML_Ecph\"}");window.__VP_SITE_DATA__=JSON.parse("{\"lang\":\"zh-CN\",\"dir\":\"ltr\",\"title\":\"查尔斯的知识库\",\"description\":\"个人技术知识库，记录 & 分享个人碎片化、结构化、体系化的技术知识内容。\",\"base\":\"/\",\"head\":[],\"router\":{\"prefetchLinks\":true},\"appearance\":true,\"themeConfig\":{\"nav\":[{\"text\":\"我的分类\",\"items\":[{\"text\":\"Bug万象集\",\"link\":\"/categories/issues/index\",\"activeMatch\":\"/categories/issues/\"},{\"text\":\"\\\"杂碎\\\"逆袭史\",\"link\":\"/categories/fragments/index\",\"activeMatch\":\"/categories/fragments/\"},{\"text\":\"工具四海谈\",\"link\":\"/categories/tools/index\",\"activeMatch\":\"/categories/tools/\"},{\"text\":\"方案春秋志\",\"link\":\"/categories/solutions/index\",\"activeMatch\":\"/categories/solutions/\"}],\"activeMatch\":\"/categories/\"},{\"text\":\"我的小册\",\"items\":[{\"text\":\"Java基础快速入门\",\"link\":\"/courses/java/index\",\"activeMatch\":\"/courses/java/\"},{\"text\":\"MySQL快速入门\",\"link\":\"/courses/mysql/index\",\"activeMatch\":\"/courses/mysql/\"},{\"text\":\"MyBatis快速入门\",\"link\":\"/courses/mybatis/index\",\"activeMatch\":\"/courses/mybatis/\"}],\"activeMatch\":\"/courses/\"},{\"text\":\"我的标签\",\"link\":\"/tags\",\"activeMatch\":\"/tags\"},{\"text\":\"我的归档\",\"link\":\"/archives\",\"activeMatch\":\"/archives\"},{\"text\":\"关于\",\"items\":[{\"text\":\"关于知识库\",\"link\":\"/about/index\",\"activeMatch\":\"/about/index\"},{\"text\":\"关于我\",\"link\":\"/about/me\",\"activeMatch\":\"/about/me\"}],\"activeMatch\":\"/about/\"}],\"sidebar\":{\"/categories/issues/\":[{\"text\":\"<img class=\\\"chinese-zodiac\\\" style=\\\"position: static; vertical-align: middle; padding-bottom: 3px;\\\" src=\\\"/img/svg/chinese-zodiac/tiger.svg\\\" title=\\\"虎年\\\" alt=\\\"生肖\\\">\\n 2022年 (12篇)\",\"items\":[{\"text\":\"<div class=\\\"text-color-red mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">1</div>解决 Maven 传递依赖污染的问题\",\"link\":\"/categories/issues/2022/11/23/解决Maven传递依赖污染的问题\"},{\"text\":\"<div class=\\\"text-color-orange mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">2</div>解决 DotNet 安装完，报错：Couldn't find a valid ICU package installed on the system. Please install libicu using your package manager and try again\",\"link\":\"/categories/issues/2022/11/06/解决DotNET安装后报错的问题\"},{\"text\":\"<div class=\\\"text-color-yellow mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">3</div>解决 Docker 安装 Prometheus 启动报 permission denied 的问题\",\"link\":\"/categories/issues/2022/11/04/解决Docker安装Prometheus启动报错的问题\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">4</div>Docker 设置网络代理\",\"link\":\"/categories/issues/2022/10/29/Docker设置网络代理\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">5</div>解决 CentOS 8 执行 yum install 报 Error: Failed to download metadata for repo 'appstream': Cannot prepare internal mirrorlist: No URLs in mirrorlist 的问题\",\"link\":\"/categories/issues/2022/10/25/解决CentOS8执行yum安装报错\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">6</div>解决 Windows 桌面部分快捷方式图标变为空白的问题\",\"link\":\"/categories/issues/2022/10/15/解决Windows桌面部分快捷方式图标变为空白的问题\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">7</div>解决无法重复读取请求体和响应体的问题\",\"link\":\"/categories/issues/2022/09/23/解决无法重复读取请求体和响应体的问题\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">8</div>Nginx转发请求，报13：Permission denied错误\",\"link\":\"/categories/issues/2022/09/05/Nginx转发请求，报13：Permission denied错误\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">9</div>SpringBoot项目引入OpenFeign后无法启动\",\"link\":\"/categories/issues/2022/08/31/SpringBoot项目引入OpenFeign后无法启动\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">10</div>执行Shell脚本，报java: command not found\",\"link\":\"/categories/issues/2022/08/11/执行Shell脚本，报java command not found\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">11</div>创建一个自身类的静态对象变量，究竟会如何执行？\",\"link\":\"/categories/issues/2022/03/24/创建一个自身类的静态对象变量，究竟会如何执行？\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">12</div>JavaScript 无法存储 Java Long 类型数据问题\",\"link\":\"/categories/issues/2022/01/26/JavaScript 无法存储 Java Long 类型数据问题\"}],\"collapsed\":false},{\"text\":\"<img class=\\\"chinese-zodiac\\\" style=\\\"position: static; vertical-align: middle; padding-bottom: 3px;\\\" src=\\\"/img/svg/chinese-zodiac/ox.svg\\\" title=\\\"牛年\\\" alt=\\\"生肖\\\">\\n 2021年 (5篇)\",\"items\":[{\"text\":\"<div class=\\\"text-color-red mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">1</div>无法访问 F:\\\\。文件或目录损坏且无法读取。\",\"link\":\"/categories/issues/2021/12/13/无法访问F盘。文件或目录损坏且无法读取\"},{\"text\":\"<div class=\\\"text-color-orange mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">2</div>SQL 注入攻击风险\",\"link\":\"/categories/issues/2021/12/11/SQL 注入攻击风险\"},{\"text\":\"<div class=\\\"text-color-yellow mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">3</div>Command line is too long. Shorten command line for XXX or also for Spring Boot default configuration？\",\"link\":\"/categories/issues/2021/12/10/Command line is too long. Shorten command line for XXX or also for Spring Boot default configuration\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">4</div>for循环中删除集合元素隐藏的陷阱\",\"link\":\"/categories/issues/2021/12/08/for循环中删除集合元素隐藏的陷阱\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">5</div>F:\\\\ 上的回收站已损坏。是否清空该驱动器上的\\\"回收站\\\"?\",\"link\":\"/categories/issues/2021/12/01/F盘上的回收站已损坏。是否清空该驱动器上的回收站\"}],\"collapsed\":true}],\"/categories/fragments/\":[{\"text\":\"<svg style=\\\"display: inline-block; vertical-align: middle; padding-bottom: 3px;\\\" viewBox=\\\"0 0 1920 1024\\\" version=\\\"1.1\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\" width=\\\"30\\\" height=\\\"30\\\"><path d=\\\"M367.488 667.904h423.744v47.232H367.488v-47.232zM320.256 204.352h137.28v68.992h-137.28v-68.992zM367.488 754.112h423.744v48H367.488v-48zM693.76 204.352h137.984v68.992H693.76v-68.992zM507.008 204.352h137.28v68.992h-137.28v-68.992z\\\" p-id=\\\"10749\\\" fill=\\\"#d81e06\\\"></path><path d=\\\"M1792.512 0H127.488C57.472 0 0 57.152 0 127.616v768.768C0 966.72 57.088 1024 127.488 1024h1665.088c69.952 0 127.424-57.152 127.424-127.616V127.616C1920 57.216 1862.912 0 1792.512 0z m-528 175.104h446.976v54.016H1494.72l-24 101.248h206.976V689.6h-57.728V384.32h-289.472v308.224h-57.728v-362.24h140.224l20.992-101.248h-169.472v-53.952z m-996.032-11.2h614.272v167.232h-51.008v-17.28H320.256v17.28H268.48V163.904z m678.784 681.728h-744v-43.52h111.744V454.848h229.504v-48.704H221.248v-42.048h323.264v-39.744h54.016v39.744h331.52v41.984h-331.52v48.768h245.248v347.264h103.488v43.52z m203.264-94.528c0 59.52-30.72 89.28-92.224 89.28-25.472 0-46.016-0.512-61.504-1.472-2.496-22.976-6.528-45.248-12.032-66.752 22.976 5.504 46.72 8.256 71.232 8.256 24 0 35.968-11.52 35.968-34.496V247.872H971.2v-54.72h278.976v54.72H1150.4v503.232z m521.216 121.536c-67.008-55.488-137.28-108.032-210.752-157.504-4.992 9.984-10.496 19.008-16.512 27.008-41.472 57.024-113.28 101.504-215.232 133.504-9.472-16.512-21.504-34.496-35.968-54.016 94.528-27.008 161.28-64.512 200.256-112.512 34.496-44.992 51.776-113.024 51.776-204.032V421.12h57.728v82.496c0 62.528-6.72 115.776-20.224 159.744 84.48 54.016 161.472 107.008 230.976 158.976l-42.048 50.304z\\\" p-id=\\\"10750\\\" fill=\\\"#d81e06\\\"></path><path d=\\\"M367.488 495.36h423.744v47.232H367.488V495.36zM367.488 581.632h423.744v47.232H367.488v-47.232z\\\" p-id=\\\"10751\\\" fill=\\\"#d81e06\\\"></path></svg>\\n 我的置顶 (8篇)\",\"items\":[{\"text\":\"<div class=\\\"text-color-red mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">1</div>个人常用快捷键\",\"link\":\"/categories/fragments/2022/10/06/个人常用快捷键\"},{\"text\":\"<div class=\\\"text-color-orange mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">2</div>个人常用 Git 命令\",\"link\":\"/categories/fragments/2022/10/05/个人常用Git命令\"},{\"text\":\"<div class=\\\"text-color-yellow mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">3</div>个人常用 Docker 命令\",\"link\":\"/categories/fragments/2022/10/01/个人常用Docker命令\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">4</div>个人常用 SQL 函数\",\"link\":\"/categories/fragments/2022/02/16/个人常用SQL函数\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">5</div>个人常用 Linux 命令\",\"link\":\"/categories/fragments/2019/12/31/个人常用Linux命令\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">6</div>个人常用 Hutool 工具类\",\"link\":\"/categories/fragments/2019/12/30/个人常用Hutool工具类\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">7</div>个人常用 Stream 使用技巧\",\"link\":\"/categories/fragments/2019/12/29/个人常用Stream使用技巧\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">8</div>个人 SQL 优化技巧\",\"link\":\"/categories/fragments/2019/12/28/个人SQL优化技巧\"}],\"collapsed\":false},{\"text\":\"<img class=\\\"chinese-zodiac\\\" style=\\\"position: static; vertical-align: middle; padding-bottom: 3px;\\\" src=\\\"/img/svg/chinese-zodiac/rabbit.svg\\\" title=\\\"兔年\\\" alt=\\\"生肖\\\">\\n 2023年 (2篇)\",\"items\":[{\"text\":\"<div class=\\\"text-color-red mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">1</div>一文详解限流接口实现\",\"link\":\"/categories/fragments/2023/12/21/一文详解限流接口实现\"},{\"text\":\"<div class=\\\"text-color-orange mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">2</div>阿里巴巴的Code Review方法论与实践总结\",\"link\":\"/categories/fragments/2023/01/06/CodeReview方法论与实践总结\"}],\"collapsed\":false},{\"text\":\"<img class=\\\"chinese-zodiac\\\" style=\\\"position: static; vertical-align: middle; padding-bottom: 3px;\\\" src=\\\"/img/svg/chinese-zodiac/tiger.svg\\\" title=\\\"虎年\\\" alt=\\\"生肖\\\">\\n 2022年 (15篇)\",\"items\":[{\"text\":\"<div class=\\\"text-color-red mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">1</div>简单聊聊如何让网站开启灰色显示\",\"link\":\"/categories/fragments/2022/12/07/网站开启灰色显示\"},{\"text\":\"<div class=\\\"text-color-orange mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">2</div>使用 IntelliJ IDEA 进行远程程序调试\",\"link\":\"/categories/fragments/2022/11/01/使用IDEA进行远程程序调试\"},{\"text\":\"<div class=\\\"text-color-yellow mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">3</div>CentOS 安装 Docker、Docker Compose\",\"link\":\"/categories/fragments/2022/10/31/CentOS安装Docker\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">4</div>Docker 安装 MinIO 详细步骤\",\"link\":\"/categories/fragments/2022/10/28/Docker安装MinIO\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">5</div>Docker 安装 Consul 详细步骤\",\"link\":\"/categories/fragments/2022/10/27/Docker安装Consul\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">6</div>Docker 安装 OpenLDAP 详细步骤\",\"link\":\"/categories/fragments/2022/10/26/Docker安装OpenLDAP\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">7</div>个人常用快捷键\",\"link\":\"/categories/fragments/2022/10/06/个人常用快捷键\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">8</div>个人常用 Git 命令\",\"link\":\"/categories/fragments/2022/10/05/个人常用Git命令\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">9</div>个人常用 Docker 命令\",\"link\":\"/categories/fragments/2022/10/01/个人常用Docker命令\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">10</div>内网CentOS服务器设置网络代理\",\"link\":\"/categories/fragments/2022/08/29/内网CentOS服务器设置网络代理\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">11</div>为指定Git仓库单独配置用户名和邮箱\",\"link\":\"/categories/fragments/2022/03/28/为指定Git仓库单独配置用户名和邮箱\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">12</div>修改Git所有提交记录中的作者和邮箱\",\"link\":\"/categories/fragments/2022/03/27/修改Git所有提交记录中的作者和邮箱\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">13</div>修改Git最后一次提交记录的作者和邮箱\",\"link\":\"/categories/fragments/2022/03/26/修改Git最后一次提交记录的作者和邮箱\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">14</div>合并两个Git仓库的历史提交记录\",\"link\":\"/categories/fragments/2022/03/25/合并两个Git仓库的历史提交记录\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">15</div>个人常用 SQL 函数\",\"link\":\"/categories/fragments/2022/02/16/个人常用SQL函数\"}],\"collapsed\":true},{\"text\":\"<img class=\\\"chinese-zodiac\\\" style=\\\"position: static; vertical-align: middle; padding-bottom: 3px;\\\" src=\\\"/img/svg/chinese-zodiac/ox.svg\\\" title=\\\"牛年\\\" alt=\\\"生肖\\\">\\n 2021年 (2篇)\",\"items\":[{\"text\":\"<div class=\\\"text-color-red mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">1</div>设计模式之单例模式\",\"link\":\"/categories/fragments/2021/05/29/设计模式之单例模式\"},{\"text\":\"<div class=\\\"text-color-orange mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">2</div>精密计算工具类-BigDecimal\",\"link\":\"/categories/fragments/2021/03/12/精密计算工具类-BigDecimal\"}],\"collapsed\":true},{\"text\":\"<img class=\\\"chinese-zodiac\\\" style=\\\"position: static; vertical-align: middle; padding-bottom: 3px;\\\" src=\\\"/img/svg/chinese-zodiac/pig.svg\\\" title=\\\"猪年\\\" alt=\\\"生肖\\\">\\n 2019年 (4篇)\",\"items\":[{\"text\":\"<div class=\\\"text-color-red mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">1</div>个人常用 Linux 命令\",\"link\":\"/categories/fragments/2019/12/31/个人常用Linux命令\"},{\"text\":\"<div class=\\\"text-color-orange mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">2</div>个人常用 Hutool 工具类\",\"link\":\"/categories/fragments/2019/12/30/个人常用Hutool工具类\"},{\"text\":\"<div class=\\\"text-color-yellow mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">3</div>个人常用 Stream 使用技巧\",\"link\":\"/categories/fragments/2019/12/29/个人常用Stream使用技巧\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">4</div>个人 SQL 优化技巧\",\"link\":\"/categories/fragments/2019/12/28/个人SQL优化技巧\"}],\"collapsed\":true}],\"/categories/solutions/\":[{\"text\":\"<img class=\\\"chinese-zodiac\\\" style=\\\"position: static; vertical-align: middle; padding-bottom: 3px;\\\" src=\\\"/img/svg/chinese-zodiac/tiger.svg\\\" title=\\\"虎年\\\" alt=\\\"生肖\\\">\\n 2022年 (1篇)\",\"items\":[{\"text\":\"<div class=\\\"text-color-red mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">1</div>递归查询树型结构数据的性能优化方案\",\"link\":\"/categories/solutions/2022/09/07/递归查询树型结构数据的性能优化方案\"}],\"collapsed\":false},{\"text\":\"<img class=\\\"chinese-zodiac\\\" style=\\\"position: static; vertical-align: middle; padding-bottom: 3px;\\\" src=\\\"/img/svg/chinese-zodiac/ox.svg\\\" title=\\\"牛年\\\" alt=\\\"生肖\\\">\\n 2021年 (2篇)\",\"items\":[{\"text\":\"<div class=\\\"text-color-red mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">1</div>一条SQL查询今年每月统计信息\",\"link\":\"/categories/solutions/2021/11/22/一条SQL查询今年每月统计信息\"},{\"text\":\"<div class=\\\"text-color-orange mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">2</div>用Java8获取近N天日期\",\"link\":\"/categories/solutions/2021/11/18/用Java8获取近N天日期\"}],\"collapsed\":true}],\"/categories/tools/\":[{\"text\":\"<img class=\\\"chinese-zodiac\\\" style=\\\"position: static; vertical-align: middle; padding-bottom: 3px;\\\" src=\\\"/img/svg/chinese-zodiac/ox.svg\\\" title=\\\"牛年\\\" alt=\\\"生肖\\\">\\n 2021年 (5篇)\",\"items\":[{\"text\":\"<div class=\\\"text-color-red mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">1</div>Quartz 快速入门\",\"link\":\"/categories/tools/2021/03/10/Quartz快速入门\"},{\"text\":\"<div class=\\\"text-color-orange mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">2</div>Postman 快速入门\",\"link\":\"/categories/tools/2021/03/06/Postman快速入门\"},{\"text\":\"<div class=\\\"text-color-yellow mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">3</div>Another Redis Desktop Manager 快速入门\",\"link\":\"/categories/tools/2021/03/04/ARDM快速入门\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">4</div>Redis Desktop Manager 快速入门\",\"link\":\"/categories/tools/2021/02/22/RDM快速入门\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">5</div>初识 Lombok\",\"link\":\"/categories/tools/2021/01/14/初识Lombok\"}],\"collapsed\":false}],\"/courses/java/\":[{\"text\":\"Java语法入门 (14篇)\",\"items\":[{\"text\":\"<div class=\\\"text-color-red mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">1</div>开发环境搭建\",\"link\":\"/courses/java/01-Java语法入门/01-开发环境搭建\"},{\"text\":\"<div class=\\\"text-color-orange mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">2</div>第一个Java程序\",\"link\":\"/courses/java/01-Java语法入门/02-第一个Java程序\"},{\"text\":\"<div class=\\\"text-color-yellow mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">3</div>初识Eclipse\",\"link\":\"/courses/java/01-Java语法入门/03-初识Eclipse\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">4</div>程序和计算机的那点事儿\",\"link\":\"/courses/java/01-Java语法入门/04-程序和计算机的那点事儿\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">5</div>变量和常量\",\"link\":\"/courses/java/01-Java语法入门/05-变量和常量\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">6</div>常用的运算符\",\"link\":\"/courses/java/01-Java语法入门/06-常用的运算符\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">7</div>控制语句和流程图\",\"link\":\"/courses/java/01-Java语法入门/07-控制语句和流程图\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">8</div>if选择结构\",\"link\":\"/courses/java/01-Java语法入门/08-if选择结构\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">9</div>switch选择结构\",\"link\":\"/courses/java/01-Java语法入门/09-switch选择结构\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">10</div>循环结构\",\"link\":\"/courses/java/01-Java语法入门/10-循环结构\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">11</div>多重循环\",\"link\":\"/courses/java/01-Java语法入门/11-多重循环\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">12</div>程序调试入门\",\"link\":\"/courses/java/01-Java语法入门/12-程序调试入门\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">13</div>一维数组\",\"link\":\"/courses/java/01-Java语法入门/13-一维数组\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">14</div>多维数组\",\"link\":\"/courses/java/01-Java语法入门/14-多维数组\"}],\"collapsed\":false},{\"text\":\"Java面向对象 (1篇)\",\"items\":[{\"text\":\"<div class=\\\"text-color-red mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">1</div>类和对象\",\"link\":\"/courses/java/02-Java面向对象/01-类和对象\"}],\"collapsed\":true},{\"text\":\"Java高级特性 (1篇)\",\"items\":[{\"text\":\"<div class=\\\"text-color-red mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">1</div>集合与泛型-1\",\"link\":\"/courses/java/03-Java高级特性/01-集合与泛型-1\"}],\"collapsed\":true},{\"text\":\"附录 (1篇)\",\"items\":[{\"text\":\"<div class=\\\"text-color-red mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">1</div>CentOS 8.2 安装 JDK 1.8.0_202\",\"link\":\"/courses/java/04-附录/01-CentOS安装JDK\"}],\"collapsed\":true}],\"/courses/mysql/\":[{\"text\":\"MySQL基础 (1篇)\",\"items\":[{\"text\":\"<div class=\\\"text-color-red mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">1</div>MySQL安装与配置\",\"link\":\"/courses/mysql/01-MySQL基础/01-MySQL安装与配置\"}],\"collapsed\":true},{\"text\":\"附录 (2篇)\",\"items\":[{\"text\":\"<div class=\\\"text-color-red mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">1</div>CentOS 8.2 安装 MySQL 5.7.39\",\"link\":\"/courses/mysql/03-附录/01-CentOS安装MySQL\"},{\"text\":\"<div class=\\\"text-color-orange mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">2</div>Docker 安装 MySQL 详细步骤\",\"link\":\"/courses/mysql/03-附录/02-Docker安装MySQL\"}],\"collapsed\":false}],\"/courses/mybatis/\":[{\"text\":\"MyBatis基础 (8篇)\",\"items\":[{\"text\":\"<div class=\\\"text-color-red mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">1</div>快速入门\",\"link\":\"/courses/mybatis/01-MyBatis基础/01-快速入门\"},{\"text\":\"<div class=\\\"text-color-orange mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">2</div>核心对象\",\"link\":\"/courses/mybatis/01-MyBatis基础/02-核心对象\"},{\"text\":\"<div class=\\\"text-color-yellow mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">3</div>核心配置文件\",\"link\":\"/courses/mybatis/01-MyBatis基础/03-核心配置文件\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">4</div>SQL映射文件之查询元素\",\"link\":\"/courses/mybatis/01-MyBatis基础/04-SQL映射文件之查询元素\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">5</div>SQL映射文件之增删改元素\",\"link\":\"/courses/mybatis/01-MyBatis基础/05-SQL映射文件之增删改元素\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">6</div>SQL映射文件之自定义映射元素\",\"link\":\"/courses/mybatis/01-MyBatis基础/06-SQL映射文件之自定义映射元素\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">7</div>SQL映射文件之缓存元素\",\"link\":\"/courses/mybatis/01-MyBatis基础/07-SQL映射文件之缓存元素\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">8</div>动态SQL\",\"link\":\"/courses/mybatis/01-MyBatis基础/08-动态SQL\"}],\"collapsed\":false},{\"text\":\"MyBatis-Plus基础 (5篇)\",\"items\":[{\"text\":\"<div class=\\\"text-color-red mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">1</div>快速入门\",\"link\":\"/courses/mybatis/02-MyBatis-Plus基础/01-快速入门\"},{\"text\":\"<div class=\\\"text-color-orange mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">2</div>增删改操作\",\"link\":\"/courses/mybatis/02-MyBatis-Plus基础/02-增删改操作\"},{\"text\":\"<div class=\\\"text-color-yellow mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">3</div>简单查询操作\",\"link\":\"/courses/mybatis/02-MyBatis-Plus基础/03-简单查询操作\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">4</div>条件构造器\",\"link\":\"/courses/mybatis/02-MyBatis-Plus基础/04-条件构造器\"},{\"text\":\"<div class=\\\"text-color-gray mr-[6px]\\\" style=\\\"font-weight: 550; display: inline-block;\\\">5</div>代码生成器\",\"link\":\"/courses/mybatis/02-MyBatis-Plus基础/05-代码生成器\"}],\"collapsed\":false}]},\"logo\":\"/logo.png\",\"outline\":{\"level\":\"deep\",\"label\":\"目录\"},\"darkModeSwitchLabel\":\"切换日光/暗黑模式\",\"sidebarMenuLabel\":\"文章\",\"returnToTopLabel\":\"返回顶部\",\"lastUpdatedText\":\"最后更新\",\"docFooter\":{\"prev\":\"上一篇\",\"next\":\"下一篇\"},\"editLink\":{\"pattern\":\"https://github.com/Charles7c/charles7c.github.io/edit/main/docs/:path\",\"text\":\"不妥之处，敬请雅正\"},\"search\":{\"provider\":\"algolia\",\"options\":{\"appId\":\"DBZ0G9HBUY\",\"apiKey\":\"00cef480a543003d05d9808110ea5f65\",\"indexName\":\"charles7c\",\"locales\":{\"root\":{\"placeholder\":\"搜索文档\",\"translations\":{\"button\":{\"buttonText\":\"搜索文档\",\"buttonAriaLabel\":\"搜索文档\"},\"modal\":{\"searchBox\":{\"resetButtonTitle\":\"清除查询条件\",\"resetButtonAriaLabel\":\"清除查询条件\",\"cancelButtonText\":\"取消\",\"cancelButtonAriaLabel\":\"取消\"},\"startScreen\":{\"recentSearchesTitle\":\"搜索历史\",\"noRecentSearchesText\":\"没有搜索历史\",\"saveRecentSearchButtonTitle\":\"保存至搜索历史\",\"removeRecentSearchButtonTitle\":\"从搜索历史中移除\",\"favoriteSearchesTitle\":\"收藏\",\"removeFavoriteSearchButtonTitle\":\"从收藏中移除\"},\"errorScreen\":{\"titleText\":\"无法获取结果\",\"helpText\":\"你可能需要检查你的网络连接\"},\"footer\":{\"selectText\":\"选择\",\"navigateText\":\"切换\",\"closeText\":\"关闭\",\"searchByText\":\"搜索提供者\"},\"noResultsScreen\":{\"noResultsText\":\"无法找到相关结果\",\"suggestedQueryText\":\"你可以尝试查询\",\"reportMissingResultsText\":\"你认为该查询应该有结果？\",\"reportMissingResultsLinkText\":\"点击反馈\"}}}}}}},\"socialLinks\":[{\"icon\":\"github\",\"link\":\"https://github.com/Charles7c/charles7c.github.io\"},{\"icon\":{\"svg\":\"<svg role=\\\"img\\\" viewBox=\\\"0 0 24 24\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><title>码云</title><path d=\\\"M11.984 0A12 12 0 0 0 0 12a12 12 0 0 0 12 12 12 12 0 0 0 12-12A12 12 0 0 0 12 0a12 12 0 0 0-.016 0zm6.09 5.333c.328 0 .593.266.592.593v1.482a.594.594 0 0 1-.593.592H9.777c-.982 0-1.778.796-1.778 1.778v5.63c0 .327.266.592.593.592h5.63c.982 0 1.778-.796 1.778-1.778v-.296a.593.593 0 0 0-.592-.593h-4.15a.592.592 0 0 1-.592-.592v-1.482a.593.593 0 0 1 .593-.592h6.815c.327 0 .593.265.593.592v3.408a4 4 0 0 1-4 4H5.926a.593.593 0 0 1-.593-.593V9.778a4.444 4.444 0 0 1 4.445-4.444h8.296Z\\\"/></svg>\"},\"link\":\"https://gitee.com/Charles7c/charles7c\"},{\"icon\":{\"svg\":\"<svg width=\\\"33\\\" height=\\\"33\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\" viewBox=\\\"0 0 174.8 204\\\">\\n <title>ContiNew Admin</title>\\n <path fill=\\\"#307AF2\\\" d=\\\"M86.7,0l88,51v.2l-16.3,9.4v-.2L86.7,18.9Zm71.8,143.5,16.3,9.4v.2L86.8,204h0l-16.3-9.4,16.3-9.4h0l71.7-41.5v-.2Z\\\"/>\\n <path fill=\\\"#12D2AC\\\" d=\\\"M16.3,143.5v.2L58,167.8l-16.3,9.4L0,153.1v-.2Z\\\"/>\\n <path fill=\\\"#12D2AC\\\" d=\\\"M104.1,93,15.9,143.8l-.2-.1V124.9l.2.1L87.7,83.6,104.1,93Z\\\"/>\\n <path fill=\\\"#0057FE\\\" d=\\\"M88.1,0,.1,51v.2l16.3,9.4v-.2L88.1,18.9Z\\\"/>\\n <path fill=\\\"#307AF2\\\" d=\\\"M.1,50.9.2,152.6l.2.1,16.3-9.4-.2-.1-.1-82.9L.1,50.9Z\\\"/>\\n <path fill=\\\"#0057FE\\\" d=\\\"M174.7,50.9l-.1,101.7-.2.1-16.3-9.4.2-.1.1-82.9Z\\\"/>\\n <path fill=\\\"#12D2AC\\\" d=\\\"M41.7,158.5l16.1,9.4,100.6-58.7V90.4Z\\\"/>\\n </svg>\"},\"link\":\"https://cnadmin.charles7c.top/\"}],\"articleMetadataConfig\":{\"author\":\"查尔斯\",\"authorLink\":\"/about/me\",\"showViewCount\":false},\"copyrightConfig\":{\"license\":\"署名-相同方式共享 4.0 国际 (CC BY-SA 4.0)\",\"licenseLink\":\"http://creativecommons.org/licenses/by-sa/4.0/\"},\"commentConfig\":{\"type\":\"gitalk\",\"showComment\":true},\"footerConfig\":{\"showFooter\":true,\"icpRecordCode\":\"津ICP备2022005864号-2\",\"publicSecurityRecordCode\":\"津公网安备12011202000677号\",\"copyright\":\"Copyright © 2019-2024 Charles7c\"}},\"locales\":{},\"scrollOffset\":90,\"cleanUrls\":true}");</script>
|
||
|
||
</body>
|
||
</html> |