feat: add onChange for Calendar

components/calendar/index.en-US.md

@@ -44,3 +44,4 @@ When data is in the form of dates, such as schedules, timetables, prices calenda
 | value | The current selected date | [moment](http://momentjs.com/) | current date |
 | onPanelChange | Callback for when panel changes | function(date: moment, mode: string) | - |
 | onSelect | Callback for when a date is selected | function(date: moment） | - |
+| onChange | Callback for when date changes | function(date: moment） | - |

components/calendar/index.tsx

@@ -36,6 +36,7 @@ export interface CalendarProps {
   style?: React.CSSProperties;
   onPanelChange?: (date?: moment.Moment, mode?: CalendarMode) => void;
   onSelect?: (date?: moment.Moment) => void;
+  onChange?: (date?: moment.Moment) => void;
   disabledDate?: (current: moment.Moment) => boolean;
   validRange ?: [moment.Moment, moment.Moment];
 }
@@ -53,6 +54,7 @@ export default class Calendar extends React.Component<CalendarProps, CalendarSta
     mode: 'month',
     onSelect: noop,
     onPanelChange: noop,
+    onChange: noop,
   };
 
   static propTypes = {
@@ -68,6 +70,7 @@ export default class Calendar extends React.Component<CalendarProps, CalendarSta
     onPanelChange: PropTypes.func,
     value: PropTypes.object,
     onSelect: PropTypes.func,
+    onChange: PropTypes.func,
   };
 
   constructor(props: CalendarProps) {
@@ -157,10 +160,13 @@ export default class Calendar extends React.Component<CalendarProps, CalendarSta
   }
 
   onPanelChange(value: moment.Moment, mode: CalendarMode | undefined) {
-    const { onPanelChange } = this.props;
+    const { onPanelChange, onChange } = this.props;
     if (onPanelChange) {
       onPanelChange(value, mode);
     }
+    if (onChange && value !== this.state.value) {
+      onChange(value);
+    }
   }
 
   onSelect = (value: moment.Moment) => {

components/calendar/index.zh-CN.md

@@ -45,3 +45,4 @@ title: Calendar
 | value | 展示日期 | [moment](http://momentjs.com/) | 当前日期 |
 | onPanelChange | 日期面板变化回调 | function(date: moment, mode: string) | 无 |
 | onSelect | 点击选择日期回调 | function(date: moment） | 无 |
+| onChange | 日期变化回调 | function(date: moment） | 无 |