updata

src/modules/exam-module/src/ExamTopic.vue

@@ -10,7 +10,7 @@
         </div>
       </div>
     </div>
-    <div class="topic-box" id="bottom-view" v-if="questionsData">
+    <div :class="classHide ? 'topic-box' : 'topic-box hide'" id="bottom-view" v-if="questionsData">
       <swiper ref="mySwiper" :options="swiperOptions">
         <template v-for="(item) in questionsData.questions">
           <template v-for="(dItem, dIndex) in item.question_list">
@@ -137,6 +137,7 @@ export default {
   data () {
     const _this = this
     return {
+      classHide: true,
       nextBtnShow: true,
       isCard: false,
       opaKey: ['A', 'B', 'C', 'D', 'E', 'F', 'G'],
@@ -440,7 +441,9 @@ export default {
     // 显示隐藏解析
     analyShow() {
       this.isAnalysis = !this.isAnalysis
-      this.scrollDom()
+      setTimeout(() => {
+        this.scrollDom()
+      }, 500)
     },
     // 单选事件 判断题事件
     selectRadio(cData, checkId, index, oData) {
@@ -527,9 +530,14 @@ export default {
       const topViewH = document.getElementById('top-view').offsetHeight
       const clientHeight = document.documentElement.clientHeight
       const bottomView = document.getElementById('bottom-view')
-      // const domH = this.swiper.slides[this.swiper.activeIndex].clientHeight
+      const domH = this.swiper.slides[this.swiper.activeIndex].clientHeight
       bottomView.style.height = (clientHeight - topViewH) + 'px'
-      // console.log(domH, (clientHeight - topViewH))
+      console.log(domH - 50, (clientHeight - topViewH))
+      if (domH - 50 >= (clientHeight - topViewH)) {
+        this.classHide = true
+      } else {
+        this.classHide = false
+      }
       // if (domH > (clientHeight - topViewH)) {
       //   bottomView.style.height = (clientHeight - topViewH) + 'px'
       // } else {
@@ -695,14 +703,7 @@ export default {
     margin: 0 auto;
     font-size: .3rem;
     color: #222;
-    // padding-bottom: 1.2rem;
     overflow-y: scroll;
-    // .swiper-wrapper{
-    //   width:100%;
-    // }
-    // .swiper-slide{
-    //   width:100%;
-    // }
     .title{
       padding: .4rem;
       display: flex;
@@ -778,6 +779,9 @@ export default {
       }
     }
   }
+  .topic-box.hide{
+    overflow: hidden;
+  }
   .btn-box{
     position: fixed;
     bottom: 0;