优化：文章元数据信息增加文章阅读数信息，需要单独提供后端api服务

repos/.vitepress/theme/index.ts

@@ -3,6 +3,7 @@ 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'
+import api from './api/index'
 import ArticleMetadata from './components/ArticleMetadata.vue'
 import './styles/vars.css'
 import './styles/custom.css'
@@ -10,7 +11,7 @@ import './styles/custom.css'
 export default {
   ...DefaultTheme,
   Layout: MyLayout,
-  enhanceApp({ app }) {
+  enhanceApp({ app, router }) {
     // 全局注册ElementPlus的所有图标
     for (const [key, elIcon] of Object.entries(ElIcons)) {
       app.component(key, elIcon)
@@ -18,6 +19,10 @@ export default {
     // 全局注册ElementPlus
     app.use(ElementPlus)
 
+    // 全局挂载api接口
+    if (typeof window !== 'undefined') {
+        window.$api = api
+    }
     app.component('ArticleMetadata', ArticleMetadata)
   }
 }