重构：扩展默认主题的页脚配置

repos/.vitepress/config/theme.ts

@@ -15,10 +15,11 @@ export const themeConfig: DefaultTheme.Config = {
     pattern: 'https://github.com/Charles7c/charles7c.github.io/edit/main/repos/:path',
     text: '在 GitHub 上编辑此页面'
   },
-  // 版权标识
-  footer: {
-    message: 'Released under the MIT License.',
-    copyright: `Copyright © 2019-${new Date().getFullYear()} Charles7c`
+  // 页脚配置, 由于vitepress官方没有此计划, 所以自行定制
+  footerConfig: {
+    showFooter: true, // 是否显示页脚
+    message: `<a href="https://beian.miit.gov.cn/" target="_blank">京ICP备20003712号-2</a>`, // 备案信息
+    copyright : `Copyright © 2019-${new Date().getFullYear()} Charles7c` // 版权信息
   },
   // 全文搜索
   algolia: {

repos/.vitepress/theme/components/Copyright.vue

@@ -0,0 +1,50 @@
+<template>
+  <footer v-if="theme.footerConfig.showFooter" class="VPFooter">
+    <div class="container">
+      <p class="message" v-html="theme.footerConfig.message"></p>
+      <p class="copyright" v-html="theme.footerConfig.copyright"></p>
+    </div>
+  </footer>
+</template>
+
+<script lang="ts" setup>
+import { useData } from 'vitepress'
+
+const { theme } = useData()
+</script>
+
+<style scoped>
+.VPFooter {
+  position: relative;
+  z-index: var(--vp-z-index-footer);
+  border-top: 1px solid var(--vp-c-divider-light);
+  padding: 32px 24px;
+  background-color: var(--vp-c-bg);
+}
+.VPFooter.has-sidebar {
+  display: none;
+}
+@media (min-width: 768px) {
+  .VPFooter {
+    padding: 32px;
+  }
+}
+.container {
+  margin: 0 auto;
+  max-width: var(--vp-layout-max-width);
+  text-align: center;
+}
+.message,
+.copyright {
+  line-height: 24px;
+  font-size: 14px;
+  font-weight: 500;
+  color: var(--vp-c-text-2);
+}
+.message   { order: 2; }
+.copyright { order: 1; }
+
+p {
+  margin: 0;
+}
+</style>

repos/.vitepress/theme/components/MyLayout.vue

@@ -0,0 +1,17 @@
+<template>
+  <Layout>
+    <template #layout-bottom>
+      <Copyright />
+    </template>
+  </Layout>
+</template>
+
+<script lang="ts" setup>
+import DefaultTheme from "vitepress/theme"
+import Copyright from "./Copyright.vue"
+
+const { Layout } = DefaultTheme
+</script>
+
+<style scoped>
+</style>

repos/.vitepress/theme/index.ts

@@ -1,4 +1,5 @@
 import DefaultTheme from 'vitepress/theme'
+import MyLayout from "./components/MyLayout.vue"
 import ElementPlus from 'element-plus'
 import "element-plus/dist/index.css"
 import * as ElIcons from '@element-plus/icons-vue'
@@ -11,6 +12,7 @@ import './custom.css'
 
 export default {
   ...DefaultTheme,
+  Layout: MyLayout,
   enhanceApp({ app }) {
     // 全局注册ElementPlus的所有图标
     for (const [key, elIcon] of Object.entries(ElIcons)) {