✨ feat(书籍详情页): 展开搜索简介功能优化调整

 import moment from 'moment';
+import { ref, nextTick } from 'vue'
 
 // 格式化时间
 const formatDate = (date) => {
@@ -24,7 +25,7 @@ const wxInfo = () => {
  */
 const hasEllipsis = (id) => {
   let oDiv = document.getElementById(id);
-  let flag = false
+  let flag = ref(false); // 关键，接收值必须都可监听
   if (oDiv.scrollHeight > oDiv.clientHeight) {
     flag = true
   }

@@ -9,10 +9,10 @@
         <p class="book-post">{{ bookInfo.name }}</p>
         <div id="book-intro" :class="{ 'van-multi-ellipsis--l3': isToggle }">{{ bookInfo.note }}</div>
         <div v-if="hasToggle">
-          <div v-if="isToggle" @click="onToggle(false)" class="book-toggle-icon">展开&nbsp;
+          <div v-if="isToggle" @click="isToggle = false" class="book-toggle-icon">展开&nbsp;
             <van-icon style="vertical-align: middle;" size="0.9rem" :name="icon_down" />
           </div>
-          <div v-else @click="onToggle(true)" class="book-toggle-icon">折叠&nbsp;
+          <div v-else @click="isToggle = true" class="book-toggle-icon">折叠&nbsp;
             <van-icon style="vertical-align: middle;" size="0.9rem" :name="icon_up" />
           </div>
         </div>
@@ -116,7 +116,7 @@
 </template>
 
 <script setup>
-import { ref, nextTick, onActivated, onMounted, onUpdated } from 'vue'
+import { ref, onActivated, nextTick } from 'vue'
 import { useRoute, useRouter, onBeforeRouteLeave } from 'vue-router'
 
 import { Cookies, $, _, axios, storeToRefs, mainStore, Toast, hasEllipsis } from '@/utils/generatePackage.js'
@@ -137,24 +137,9 @@ const { donateItem } = useDefaultPerf($route.query.id);
 const hasToggle = ref(false); // 判断是否有展开文字，默认没有
 const isToggle = ref(true); // 判断展开状态，默认展开
 
-/**
- * 展开/折叠
- * @param {*} v 
- */
-const onToggle = (v) => {
-  isToggle.value = v
-}
-
-// DOM操作需要等待执行
-setTimeout(() => {
+nextTick(() => {
   // 判断是否显示简介的展开图标
-  // nextTick(() => {
-  //   hasToggle.value = hasEllipsis('book-intro');
-  // })
   hasToggle.value = hasEllipsis('book-intro');
-}, 500);
-onUpdated(() => {
-  // hasToggle.value = hasEllipsis('book-intro');
 })
 
 /**