fix 滚动高度取整，不然不一样

@@ -2,7 +2,7 @@
  * @Author: hookehuyr hookehuyr@gmail.com
  * @Date: 2022-05-21 09:35:14
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2022-06-24 14:29:32
+ * @LastEditTime: 2022-06-24 14:35:03
  * @FilePath: /tswj/src/views/client/bookDetail.vue
  * @Description:
 -->
@@ -164,7 +164,25 @@ onMounted(async () => {
   }, 500);
   // TAG: 监听滚动到底部
   // 快捷访问组件高度动态调整
-  window.onscroll = function () {
+  // window.onscroll = function () {
+  //   //变量scrollTop是滚动条滚动时，距离顶部的距离
+  //   const scrollTop = document.documentElement.scrollTop||document.body.scrollTop;
+  //   //变量windowHeight是可视区的高度
+  //   const windowHeight = document.documentElement.clientHeight || document.body.clientHeight;
+  //   //变量scrollHeight是滚动条的总高度
+  //   const scrollHeight = document.documentElement.scrollHeight||document.body.scrollHeight;
+  //    //滚动条到底部的条件
+  //   if(scrollTop + windowHeight === scrollHeight){
+  //     // console.warn("距顶部"+scrollTop+"可视区高度"+windowHeight+"滚动条总高度"+scrollHeight);
+  //     customStyle.value.bottom = '35%'
+  //   } else {
+  //     customStyle.value.bottom = '8rem'
+  //   }
+  // }
+})
+
+// 快捷访问组件高度动态调整
+window.onscroll = function () {
   //变量scrollTop是滚动条滚动时，距离顶部的距离
   const scrollTop = document.documentElement.scrollTop||document.body.scrollTop;
   //变量windowHeight是可视区的高度
@@ -172,14 +190,13 @@ onMounted(async () => {
   //变量scrollHeight是滚动条的总高度
   const scrollHeight = document.documentElement.scrollHeight||document.body.scrollHeight;
    //滚动条到底部的条件
-    if(scrollTop + windowHeight === scrollHeight){
+  if (parseInt(scrollTop + windowHeight) === scrollHeight){
     // console.warn("距顶部"+scrollTop+"可视区高度"+windowHeight+"滚动条总高度"+scrollHeight);
     customStyle.value.bottom = '35%'
   } else {
     customStyle.value.bottom = '8rem'
   }
-  }
-})
+}
 
 // 判断是否显示简介的展开图标
 const hasToggle = ref(false); // 判断是否有展开文字，默认没有