[bugfix] Tabbar: change event (#1571)

youzan · Aug 1, 2018 · 806df78 · 806df78
1 parent 10ed66c
commit 806df78
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diff --git a/packages/field/zh-CN.md b/packages/field/zh-CN.md
@@ -140,7 +140,7 @@ Field 默认支持 Input 标签所有的原生事件，如 `focus`、`blur`、`k
 
 | 事件 | 说明 | 回调参数 |
 |-----------|-----------|-----------|
-| click-icon | 点击尾部图标时触发 | -
+| click-icon | 点击尾部图标时触发 | - |
 
 ### 方法
 

diff --git a/packages/tabbar/index.vue b/packages/tabbar/index.vue
@@ -44,6 +44,7 @@ export default create({
     items() {
       this.setActiveItem();
     },
+
     value() {
       this.setActiveItem();
     }
@@ -55,9 +56,12 @@ export default create({
         item.active = index === this.value;
       });
     },
+
     onChange(active) {
-      this.$emit('input', active);
-      this.$emit('change', active);
+      if (active !== this.value) {
+        this.$emit('input', active);
+        this.$emit('change', active);
+      }
     }
   }
 });