Merge pull request #460 from JJunYang/fix/backTop-event

fix(backtop): add toTop event
Tencent · May 24, 2022 · 74100e1 · 74100e1
2 parents ee4c276 + 3cef9cc
commit 74100e1
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Showing 3 changed files with 7 additions and 1 deletion.
diff --git a/src/back-top/_example/back-top.ts b/src/back-top/_example/back-top.ts
@@ -46,4 +46,8 @@ Page({
     this.setData({ backTopDemo: backTopDemos[index] });
     wx.pageScrollTo({ duration: 300, scrollTop: 1000 });
   },
+
+  onToTop(e: any) {
+    console.log('backToTop', e);
+  },
 });
diff --git a/src/back-top/_example/back-top.wxml b/src/back-top/_example/back-top.wxml
@@ -52,6 +52,7 @@
       <t-skeleton rowCol="{{rowCol3}}" class="skeleton-item" t-class-text="skeleton-text" loading></t-skeleton>
     </view>
 
-    <t-back-top wx:if="{{showBackTop}}" theme="{{backTopDemo.theme}}" text="{{backTopDemo.text}}"> </t-back-top>
+    <t-back-top wx:if="{{showBackTop}}" theme="{{backTopDemo.theme}}" text="{{backTopDemo.text}}" bindtoTop="onToTop">
+    </t-back-top>
   </t-demo>
 </view>
diff --git a/src/back-top/back-top.ts b/src/back-top/back-top.ts
@@ -26,6 +26,7 @@ export default class BackTop extends SuperComponent {
    * Component methods
    */
   toTop() {
+    this.triggerEvent('toTop');
     wx.pageScrollTo({
       scrollTop: 0,
       duration: 300,