fix `format` props of RangePicker

+ close #3808

components/date-picker/RangePicker.tsx

@@ -46,7 +46,10 @@ export default class RangePicker extends React.Component<any, any> {
 
   render() {
     const props = this.props;
-    const { disabledDate, disabledTime, showTime, prefixCls, popupStyle, style, onOk, locale } = props;
+    const { disabledDate, disabledTime, showTime,
+      prefixCls, popupStyle, style, onOk, locale,
+      format,
+    } = props;
     const state = this.state;
 
     const calendarClassName = classNames({
@@ -74,6 +77,7 @@ export default class RangePicker extends React.Component<any, any> {
     const calendar = (
       <RangeCalendar
         {...calendarHandler}
+        format={format}
         prefixCls={prefixCls}
         className={calendarClassName}
         timePicker={props.timePicker}

components/date-picker/demo/disabled-date.md

@@ -57,7 +57,8 @@ ReactDOM.render(
   <div>
     <DatePicker format="YYYY-MM-DD HH:mm:ss" disabledDate={disabledDate} disabledTime={disabledDateTime} showTime />
     <br />
-    <RangePicker format="YYYY-MM-DD HH:mm:ss" disabledDate={disabledDate} disabledTime={disabledRangeTime} showTime />
-  </div>
-, mountNode);
+    <RangePicker disabledDate={disabledDate} disabledTime={disabledRangeTime} showTime={{ hideDisabledOptions: true }} />
+  </div>,
+  mountNode
+);
 ````

components/date-picker/index.tsx

@@ -55,7 +55,7 @@ export interface RangePickerProps extends PickerProps {
 }
 
 assign(DatePicker, {
-  RangePicker: wrapPicker(RangePicker),
+  RangePicker: wrapPicker(RangePicker, 'YYYY-MM-DD hh:mm:ss'),
   Calendar,
   MonthPicker,
 });