mirror of
https://github.com/continew-org/continew-starter.git
synced 2025-09-13 13:01:41 +08:00
feat: 新增常用工具类
This commit is contained in:
@@ -0,0 +1,79 @@
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/*
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* Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
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* <p>
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* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* <p>
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* http://www.gnu.org/licenses/lgpl.html
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* <p>
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package top.charles7c.continew.starter.core.util;
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import cn.hutool.core.date.DatePattern;
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import cn.hutool.core.date.DateUtil;
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import cn.hutool.core.io.file.FileNameUtil;
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import cn.hutool.core.util.IdUtil;
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import lombok.AccessLevel;
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import lombok.NoArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.web.multipart.MultipartFile;
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import java.io.File;
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import java.time.LocalDateTime;
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/**
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* 文件上传工具类
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*
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* @author Zheng Jie（<a href="https://gitee.com/elunez/eladmin">ELADMIN</a>）
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* @author Charles7c
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* @since 1.0.0
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*/
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@Slf4j
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@NoArgsConstructor(access = AccessLevel.PRIVATE)
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public class FileUploadUtils {
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/**
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* 上传文件
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*
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* @param multipartFile 源文件对象
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* @param filePath 文件路径
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* @param isKeepOriginalFilename 是否保留原文件名
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* @return 目标文件对象
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*/
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public static File upload(MultipartFile multipartFile, String filePath, boolean isKeepOriginalFilename) {
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String originalFilename = multipartFile.getOriginalFilename();
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String extensionName = FileNameUtil.extName(originalFilename);
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String fileName;
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if (isKeepOriginalFilename) {
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fileName = String.format("%s-%s.%s", FileNameUtil.getPrefix(originalFilename),
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DateUtil.format(LocalDateTime.now(), DatePattern.PURE_DATETIME_MS_PATTERN), extensionName);
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} else {
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fileName = String.format("%s.%s", IdUtil.fastSimpleUUID(), extensionName);
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}
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try {
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String pathname = filePath + fileName;
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File dest = new File(pathname).getCanonicalFile();
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// 如果父路径不存在，自动创建
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if (!dest.getParentFile().exists()) {
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if (!dest.getParentFile().mkdirs()) {
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log.error("Create upload file parent path failed.");
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}
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}
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// 文件写入
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multipartFile.transferTo(dest);
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return dest;
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} catch (Exception e) {
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log.error("Upload file occurred an error: {}. fileName: {}.", e.getMessage(), fileName, e);
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}
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return null;
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}
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}
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@@ -0,0 +1,74 @@
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/*
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* Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
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* <p>
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* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* <p>
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* http://www.gnu.org/licenses/lgpl.html
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* <p>
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package top.charles7c.continew.starter.core.util;
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import cn.hutool.http.useragent.UserAgent;
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import cn.hutool.http.useragent.UserAgentUtil;
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import jakarta.servlet.http.HttpServletRequest;
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import jakarta.servlet.http.HttpServletResponse;
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import lombok.AccessLevel;
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import lombok.NoArgsConstructor;
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import org.springframework.web.context.request.RequestContextHolder;
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import org.springframework.web.context.request.ServletRequestAttributes;
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import java.util.Objects;
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/**
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* Servlet 工具类
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*
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* @author Charles7c
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* @since 1.0.0
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*/
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@NoArgsConstructor(access = AccessLevel.PRIVATE)
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public class ServletUtils {
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/**
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* 获取请求对象
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*
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* @return /
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*/
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public static HttpServletRequest getRequest() {
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return getServletRequestAttributes().getRequest();
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}
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/**
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* 获取响应对象
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*
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* @return /
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*/
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public static HttpServletResponse getResponse() {
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return getServletRequestAttributes().getResponse();
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}
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/**
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* 获取浏览器及其版本信息
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*
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* @param request 请求对象
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* @return 浏览器及其版本信息
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*/
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public static String getBrowser(HttpServletRequest request) {
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if (null == request) {
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return null;
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}
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UserAgent userAgent = UserAgentUtil.parse(request.getHeader("User-Agent"));
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return userAgent.getBrowser().getName() + " " + userAgent.getVersion();
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}
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private static ServletRequestAttributes getServletRequestAttributes() {
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return (ServletRequestAttributes) Objects.requireNonNull(RequestContextHolder.getRequestAttributes());
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}
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}
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@@ -0,0 +1,64 @@
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/*
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* Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
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* <p>
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* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* <p>
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* http://www.gnu.org/licenses/lgpl.html
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* <p>
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package top.charles7c.continew.starter.core.util;
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import cn.hutool.extra.template.Template;
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import cn.hutool.extra.template.TemplateConfig;
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import cn.hutool.extra.template.TemplateEngine;
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import cn.hutool.extra.template.TemplateUtil;
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import lombok.AccessLevel;
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import lombok.NoArgsConstructor;
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import java.util.Map;
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/**
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* 模板工具类
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*
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* @author Charles7c
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* @since 1.0.0
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*/
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@NoArgsConstructor(access = AccessLevel.PRIVATE)
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public class TemplateUtils {
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private static final String DEFAULT_TEMPLATE_PARENT_PATH = "templates";
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/**
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* 渲染模板
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*
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* @param templatePath 模板路径
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* @param bindingMap 绑定参数（此 Map 中的参数会替换模板中的变量）
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* @return 渲染后的内容
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*/
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public static String render(String templatePath, Map<?, ?> bindingMap) {
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return render(DEFAULT_TEMPLATE_PARENT_PATH, templatePath, bindingMap);
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}
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/**
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* 渲染模板
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*
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* @param parentPath 模板父目录
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* @param templatePath 模板路径
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* @param bindingMap 绑定参数（此 Map 中的参数会替换模板中的变量）
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* @return 渲染后的内容
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*/
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public static String render(String parentPath, String templatePath, Map<?, ?> bindingMap) {
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TemplateEngine engine =
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TemplateUtil.createEngine(new TemplateConfig(parentPath, TemplateConfig.ResourceMode.CLASSPATH));
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Template template = engine.getTemplate(templatePath);
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return template.render(bindingMap);
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}
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}
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@@ -0,0 +1,41 @@
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/*
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* Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
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* <p>
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* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* <p>
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* http://www.gnu.org/licenses/lgpl.html
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* <p>
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package top.charles7c.continew.starter.core.util;
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import cn.hutool.http.HttpUtil;
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import lombok.AccessLevel;
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import lombok.NoArgsConstructor;
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/**
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* URL（Uniform Resource Locator）统一资源定位符相关工具类
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*
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* @author Charles7c
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* @since 1.0.0
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*/
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@NoArgsConstructor(access = AccessLevel.PRIVATE)
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public class URLUtils {
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/**
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* 提供的 URL 是否为 HTTP URL（协议包括："http"，"https"）
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*
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* @param url URL
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* @return 是否为 HTTP URL
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*/
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public static boolean isHttpUrl(String url) {
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return HttpUtil.isHttp(url) || HttpUtil.isHttps(url);
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}
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}
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@@ -0,0 +1,93 @@
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/*
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* Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
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* <p>
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* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* <p>
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* http://www.gnu.org/licenses/lgpl.html
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* <p>
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package top.charles7c.continew.starter.core.util.db;
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import cn.hutool.core.date.DateUtil;
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import cn.hutool.core.util.StrUtil;
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import cn.hutool.db.Db;
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import cn.hutool.db.Entity;
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import cn.hutool.db.meta.Column;
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import cn.hutool.db.meta.MetaUtil;
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import lombok.AccessLevel;
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import lombok.NoArgsConstructor;
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import javax.sql.DataSource;
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import java.sql.SQLException;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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/**
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* 数据库元数据信息工具类
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*
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* @author Charles7c
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* @since 1.0.0
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*/
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@NoArgsConstructor(access = AccessLevel.PRIVATE)
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public class MetaUtils {
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/**
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* 获取所有表信息
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*
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* @param dataSource 数据源
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* @return 表信息列表
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*/
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public static List<Table> getTables(DataSource dataSource) throws SQLException {
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return getTables(dataSource, null);
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}
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/**
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* 获取所有表信息
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*
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* @param dataSource 数据源
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* @param tableName 表名称
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* @return 表信息列表
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*/
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public static List<Table> getTables(DataSource dataSource, String tableName) throws SQLException {
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String querySql = "SHOW TABLE STATUS";
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List<Entity> tableEntityList;
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Db db = Db.use(dataSource);
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if (StrUtil.isNotBlank(tableName)) {
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tableEntityList = db.query(String.format("%s WHERE NAME = ?", querySql), tableName);
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} else {
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tableEntityList = db.query(querySql);
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}
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List<Table> tableList = new ArrayList<>(tableEntityList.size());
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for (Entity tableEntity : tableEntityList) {
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Table table = new Table(tableEntity.getStr("NAME"));
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table.setComment(tableEntity.getStr("COMMENT"));
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table.setEngine(tableEntity.getStr("ENGINE"));
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table.setCharset(tableEntity.getStr("COLLATION"));
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table.setCreateTime(DateUtil.toLocalDateTime(tableEntity.getDate("CREATE_TIME")));
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table.setUpdateTime(DateUtil.toLocalDateTime(tableEntity.getDate("UPDATE_TIME")));
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tableList.add(table);
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}
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return tableList;
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}
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/**
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* 获取所有列信息
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*
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* @param dataSource 数据源
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* @param tableName 表名称
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* @return 列信息列表
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*/
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public static Collection<Column> getColumns(DataSource dataSource, String tableName) {
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cn.hutool.db.meta.Table table = MetaUtil.getTableMeta(dataSource, tableName);
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return table.getColumns();
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}
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}
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@@ -0,0 +1,72 @@
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/*
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* Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
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* <p>
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* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
|
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* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
* <p>
|
||||
* http://www.gnu.org/licenses/lgpl.html
|
||||
* <p>
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
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package top.charles7c.continew.starter.core.util.db;
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import lombok.Getter;
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import lombok.Setter;
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import java.io.Serial;
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import java.io.Serializable;
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import java.time.LocalDateTime;
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/**
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* 数据库表信息
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*
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* @author Charles7c
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* @since 1.0.0
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*/
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@Getter
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@Setter
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public class Table implements Serializable {
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@Serial
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private static final long serialVersionUID = 1L;
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/**
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* 表名称
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*/
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private String tableName;
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/**
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* 注释
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*/
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private String comment;
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/**
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* 存储引擎
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*/
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private String engine;
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/**
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* 字符集
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*/
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private String charset;
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/**
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* 创建时间
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*/
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private LocalDateTime createTime;
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/**
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* 修改时间
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*/
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private LocalDateTime updateTime;
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public Table(String tableName) {
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this.tableName = tableName;
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}
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}
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Reference in New Issue
Block a user