docs: add vitepress custom com

docs/.vitepress/theme/DynamicAds.vue

@@ -0,0 +1,85 @@
+<!-- 在vitepress右侧的目录导航中插入动态广告组件-->
+
+<script setup>
+import { ref, onMounted, onUnmounted } from 'vue'
+
+const ads = ref([])
+const currentAdIndex = ref(0)
+let intervalId = null
+
+const fetchAds = async () => {
+  return [
+    {
+      id: 1,
+      imageUrl: 'https://mangoproxy.com/assetsfile/images/logomango.webp',
+      landingUrl: 'https://mangoproxy.com/?utm_source=mediacrawler&utm_medium=repository&utm_campaign=default',
+      text: '全局IP代理白金推荐，支持210+国家'
+    }
+  ]
+}
+
+const nextAd = () => {
+  currentAdIndex.value = (currentAdIndex.value + 1) % ads.value.length
+}
+
+onMounted(async () => {
+  ads.value = await fetchAds()
+  intervalId = setInterval(nextAd, 3000)
+})
+
+onUnmounted(() => {
+  if (intervalId) clearInterval(intervalId)
+})
+</script>
+
+<template>
+  <div class="vp-ad-carousel">
+    <template v-if="ads.length > 0">
+      <div class="ad-content">
+        <a :href="ads[currentAdIndex].landingUrl" target="_blank" rel="noopener noreferrer">
+          <img :src="ads[currentAdIndex].imageUrl" :alt="ads[currentAdIndex].text" class="ad-image">
+          <p class="ad-text">{{ ads[currentAdIndex].text }}</p>
+        </a>
+      </div>
+    </template>
+    <p v-else class="loading">Loading ads...</p>
+  </div>
+</template>
+
+<style scoped>
+.vp-ad-carousel {
+  margin-top: 1rem;
+  padding: 1rem;
+  background-color: var(--vp-c-bg-soft);
+  border-radius: 8px;
+  font-size: 0.875rem;
+  line-height: 1.5;
+}
+
+.ad-content {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
+.ad-image {
+  max-width: 130px;
+  height: auto;
+  margin-bottom: 0.5rem;
+}
+
+.ad-text {
+  text-align: center;
+  color: var(--vp-c-text-1);
+}
+
+.loading {
+  text-align: center;
+  color: var(--vp-c-text-2);
+}
+
+a {
+  text-decoration: none;
+  color: inherit;
+}
+</style>

docs/.vitepress/theme/MyLayout.vue

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+<!--.vitepress/theme/MyLayout.vue-->
+<script setup>
+import DefaultTheme from 'vitepress/theme'
+import DynamicAds from './DynamicAds.vue'
+const { Layout } = DefaultTheme
+</script>
+
+<template>
+  <Layout>
+    <template #aside-bottom>
+      <DynamicAds />
+    </template>
+  </Layout>
+</template>

docs/.vitepress/theme/index.js

@@ -1,5 +1,9 @@
 // .vitepress/theme/index.js
 import DefaultTheme from 'vitepress/theme'
-import './custom.css'
+import MyLayout from './MyLayout.vue'
 
-export default DefaultTheme
+export default {
+  extends: DefaultTheme,
+  // 使用注入插槽的包装组件覆盖 Layout
+  Layout: MyLayout
+}