fix: datetimepicker cancel event not work

docs/examples-docs/datetime-picker.md

@@ -5,20 +5,21 @@ export default {
       minHour: 10,
       maxHour: 20,
       minDate: new Date(),
-      currentDate: null
+      currentDate1: null,
+      currentDate2: null,
+      currentDate3: null
     };
   },
 
   methods: {
     handlePickerChange(picker, values) {
-      // picker.setColumnValues(1, citys[values[0]]);
       console.log(values);
     },
     handlePickerCancel() {
-      alert('picker cancel');
+      console.log('picker cancel');
     },
     handlePickerConfirm() {
-      alert('picker confirm');
+      console.log('picker confirm');
     }
   }
 };
@@ -63,7 +64,7 @@ export default {
 :::demo 基础用法
 ```html
 <van-datetime-picker
-  v-model="currentDate"
+  v-model="currentDate1"
   type="datetime"
   format="yyyy.mm.dd hh时 mm分"
   :min-hour="minHour"
@@ -98,7 +99,7 @@ export default {
 :::demo 选择日期
 ```html
 <van-datetime-picker
-  v-model="currentDate"
+  v-model="currentDate2"
   type="date"
   format="yyyy.mm.dd hh时 mm分"
   :min-hour="minHour"
@@ -114,7 +115,7 @@ export default {
 :::demo 选择时间
 ```html
 <van-datetime-picker
-  v-model="currentDate"
+  v-model="currentDate3"
   type="time"
   format="yyyy.mm.dd hh时 mm分"
   :min-hour="minHour"
@@ -145,6 +146,14 @@ export default {
 | defaultIndex | 初始选中值的索引，默认为0 |
 | className | 为对应列添加特殊的`class` |
 
+### Event
+
+| 事件名称       | 说明      | 回调参数 |
+|-----------|-----------|-----------|
+| change | 当值变化时触发的事件 | picker 实例 |
+| confirm | 点击完成按钮时触发的事件 | 当前 value |
+| cancel | 点击取消按钮时触发的事件 | - |
+
 ### change事件
 
 在`change`事件中，可以获取到`picker`实例，对`picker`进行相应的更新等操作：

packages/datetime-picker/src/datetime-picker.vue

@@ -5,6 +5,7 @@
     :visible-item-count="visibleItemCount"
     @change="handlePickerChange"
     @confirm="handlePickerConfirm"
+    @cancel="$emit('cancel')"
     showToolbar>
   </van-picker>
 </template>
@@ -85,7 +86,6 @@ export default {
       if (!isEqual) this.innerValue = val;
     },
     innerValue(val) {
-      console.log(val + '!!!');
       this.updateColumnValue(val);
       this.$emit('input', val);
     }
@@ -217,12 +217,11 @@ export default {
     isShortMonth(month) {
       return [4, 6, 9, 11].indexOf(month) > -1;
     },
-    handlePickerConfirm(values) {
+    handlePickerConfirm() {
       this.$emit('confirm', this.innerValue);
     },
     handlePickerChange(picker) {
       const values = picker.$children.filter(child => child.currentValue !== undefined).map(child => child.currentValue);
-      console.log(values);
       let value;
 
       if (this.type === 'time') {
@@ -243,7 +242,7 @@ export default {
       }
       value = this.correctValue(value);
       this.innerValue = value;
-      console.log(value, this.innerValue);
+      this.$emit('change', picker);
     },
     updateColumnValue(value) {
       let values = [];