datetime: do not trigger on-change on first-value-setting

airyland · Jun 1, 2017 · 529448e · 529448e
1 parent 6614fab
commit 529448e
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Showing 2 changed files with 13 additions and 2 deletions.
diff --git a/src/components/datetime/index.vue b/src/components/datetime/index.vue
@@ -92,6 +92,7 @@ export default {
     displayFormat: Function
   },
   created () {
+    this.isFirstSetValue = false
     this.currentValue = this.value
     this.handleChangeEvent = true
   },
@@ -177,9 +178,14 @@ export default {
     }
   },
   watch: {
-    currentValue (val) {
-      this.$emit('on-change', val)
+    currentValue (val, oldVal) {
       this.$emit('input', val)
+      if (!this.isFirstSetValue) {
+        this.isFirstSetValue = true
+        oldVal && this.$emit('on-change', val)
+      } else {
+        this.$emit('on-change', val)
+      }
       this.validate()
     },
     startDate () {

diff --git a/src/components/datetime/metas.yml b/src/components/datetime/metas.yml
@@ -122,6 +122,11 @@ events:
     en: $emits when value changes, `(newVal)`
     zh-CN: 表单值变化时触发, 参数 `(newVal)`
 changes:
+  next:
+    en:
+      - '[fix] do not trigger on-change on first-value-setting'
+    zh-CN:
+      - '[fix] 初始化时不触发 on-change 事件'
   v2.2.1-rc.8:
     en:
       - '[enhance] now changing prop:format will trigger re-rendering'