docs: update locale format (#4150)

components/calendar/index.en-US.md

@@ -29,5 +29,5 @@ When data is in the form of date, such as schedule, timetable, prices calendar,
 | fullscreen   | to set whether full-screen display   | boolean     | true         |
 | dateCellRender     | to set the way of renderer the date cell | function(date: moment): ReactNode | - |
 | monthCellRender    | to set the way of renderer the month cell | function(date: moment): ReactNode | - |
-| locale       | set locale | Object   | [default](https://github.com/ant-design/ant-design/issues/424)  |
+| locale       | set locale | Object   | [default](https://github.com/ant-design/ant-design/blob/master/components/date-picker/locale/example.json)  |
 | onPanelChange| the callback when panel change | function(date: moment, mode: string) | - |

components/calendar/index.zh-CN.md

@@ -31,5 +31,5 @@ title: Calendar
 | fullscreen   | 是否全屏显示   | boolean     | true         |
 | dateCellRender     | 自定义渲染日期单元格| function(date: moment): ReactNode   | 无 |
 | monthCellRender    | 自定义渲染月单元格  | function(date: moment): ReactNode   | 无 |
-| locale       | 国际化配置     | Object   | [默认配置](https://github.com/ant-design/ant-design/issues/424)  |
+| locale       | 国际化配置     | Object   | [默认配置](https://github.com/ant-design/ant-design/blob/master/components/date-picker/locale/example.json)  |
 | onPanelChange| 日期面板变化回调 | function(date: moment, mode: string) | 无 |

components/date-picker/index.en-US.md

@@ -41,7 +41,7 @@ The following APIs are shared by DatePicker, MonthPicker, RangePicker.
 | style        | to customize the style of the input box     | Object     | {}   |
 | popupStyle   | to customize the style of the popup calendar   | Object     | {}   |
 | size         | determine the size of the input box, the height of `large` and `small`, are 32px and 22px respectively, while default size is 28px | String   | -  |
-| locale       | localization configuration | Object   | [default](https://github.com/ant-design/ant-design/issues/424)  |
+| locale       | localization configuration | Object   | [default](https://github.com/ant-design/ant-design/blob/master/components/date-picker/locale/example.json)  |
 | disabledDate | to specify the date that cannot be selected | function | -           |
 | getCalendarContainer | to set the container of the floating layer, while the default is to create a `div` element in `body` | function(trigger) | - |
 | open | open state of picker | bool | - |

components/date-picker/index.zh-CN.md

@@ -42,7 +42,7 @@ moment.locale('zh-cn');
 | style        | 自定义输入框样式     | object     | {}   |
 | popupStyle   | 格外的弹出日历样式   | object     | {}   |
 | size         | 输入框大小，`large` 高度为 32px，`small` 为 22px，默认是 28px | string   | 无  |
-| locale       | 国际化配置 | object   | [默认配置](https://github.com/ant-design/ant-design/issues/424)  |
+| locale       | 国际化配置 | object   | [默认配置](https://github.com/ant-design/ant-design/blob/master/components/date-picker/locale/example.json)  |
 | disabledDate | 不可选择的日期 | function | 无           |
 | getCalendarContainer | 定义浮层的容器，默认为 body 上新建 div | function(trigger) | 无 |
 | open | 控制弹层是否展开 | bool | - |

components/date-picker/locale/example.json

@@ -0,0 +1,38 @@
+{
+  "lang": {
+    "placeholder": "Select date",
+    "rangePlaceholder": [
+      "Start date",
+      "End date"
+    ],
+    "today": "Today",
+    "now": "Now",
+    "backToToday": "Back to today",
+    "ok": "Ok",
+    "clear": "Clear",
+    "month": "Month",
+    "year": "Year",
+    "timeSelect": "Select time",
+    "dateSelect": "Select date",
+    "monthSelect": "Choose a month",
+    "yearSelect": "Choose a year",
+    "decadeSelect": "Choose a decade",
+    "yearFormat": "YYYY",
+    "dateFormat": "M/D/YYYY",
+    "dayFormat": "D",
+    "dateTimeFormat": "M/D/YYYY HH:mm:ss",
+    "monthFormat": "MMMM",
+    "monthBeforeYear": true,
+    "previousMonth": "Previous month (PageUp)",
+    "nextMonth": "Next month (PageDown)",
+    "previousYear": "Last year (Control + left)",
+    "nextYear": "Next year (Control + right)",
+    "previousDecade": "Last decade",
+    "nextDecade": "Next decade",
+    "previousCentury": "Last century",
+    "nextCentury": "Next century"
+  },
+  "timePickerLocale": {
+    "placeholder": "Select time"
+  }
+}