调整list-view 复用测试例 修复截图长列表失败问题

pages/component/list-view/list-view-multiplex-input.uvue

 <template>
-  <scroll-view direction="horizontal" style="flex-direction: row;">
-    <button class="button_item" @click="delayShow">测试延时显示</button>
-  </scroll-view>
-	<list-view v-show="list_show" id="listview" style="flex: 1;" show-scrollbar=false @scrolltolower="onScrollTolower">
+	<list-view id="listview" style="flex: 1;" show-scrollbar=false @scrolltolower="onScrollTolower">
     <list-item v-for="index in item_count" class="item" @click="itemClick(index)">
       <text >item-------<text>{{index}}</text></text>
       <input style="border-width: 1px; border-style: solid;" :placeholder="index + ''" :value= "index ==1 ? `第一个` :index "/>
@@ -15,7 +12,6 @@
 		data() {
 			return {
 				item_count: 20,
-        list_show: true,
         listViewElement: null as UniListViewElement|null
 			}
 		},
@@ -30,14 +26,6 @@
       },
       itemClick(index: number) {
         console.log("itemTextClick---"+index)
-      },
-      delayShow() {
-        this.list_show = !this.list_show
-        this.item_count += 20
-        //延时显示list-view 测试list-item延时显示bug
-        setTimeout(()=>{
-          this.list_show = !this.list_show
-        }, 400)
       }
 		}
 	}

pages/component/list-view/list-view-multiplex.uvue

 <template>
+  <view style="flex: 1;">
     <scroll-view direction="horizontal" style="flex-direction: row;">
       <button class="button_item" @click="delayShow">测试延时显示</button>
       <button class="button_item" @click="switchItemContent">修改item子元素</button>
@@ -9,6 +10,7 @@
         <text v-if="displayArrow" >item-------<text>{{index}}</text></text>
       </list-item>
     </list-view>
+  </view>
 </template>
 
 <script>