update list-view-multiplex.uvue

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

 <template>
 	<list-view id="listview" style="flex: 1;" show-scrollbar=false @scrolltolower="onScrollTolower">
-    <list-item v-for="index in item_count" class="item">
+    <list-item v-for="index in item_count" class="item" @click="itemClick(index)">
       <text >item-------<text>{{index}}</text></text>
     </list-item>
   </list-view>
@@ -26,6 +26,9 @@
       //用于自动化测试
       listViewScrollByY(y : number) {
         this.listViewElement?.scrollBy(0, y)
+      },
+      itemClick(index: number) {
+        console.log("itemTextClick---"+index)
       }
 		}
 	}