feat: Popconfirm should support i18n

components/popconfirm/demo/locale.md

+# 国际化
+
+- order: 2
+
+设置 `okText` `cancelText` 以自定义按钮文字。
+
+---
+
+````jsx
+import { Popconfirm } from 'antd';
+
+ReactDOM.render(
+  <Popconfirm title="Are you sure？" okText="Yes" cancelText="No">
+    <a href="javascript:;">Delete</a>
+  </Popconfirm>
+, document.getElementById('components-popconfirm-demo-locale'));
+````

components/popconfirm/index.jsx

@@ -2,7 +2,23 @@ import React from 'react';
 import Tooltip from 'rc-tooltip';
 import Icon from '../icon';
 import Button from '../button';
+
 const prefixCls = 'ant-popover';
+const noop = function() {};
+const transitionNames = {
+  top: 'zoom-down',
+  bottom: 'zoom-up',
+  left: 'zoom-right',
+  right: 'zoom-left',
+  topLeft: 'zoom-down',
+  bottomLeft: 'zoom-up',
+  leftTop: 'zoom-right',
+  rightTop: 'zoom-left',
+  topRight: 'zoom-down',
+  bottomRight: 'zoom-up',
+  leftBottom: 'zoom-right',
+  rightBottom: 'zoom-left',
+};
 
 export default React.createClass({
   getInitialState() {
@@ -16,10 +32,10 @@ export default React.createClass({
       placement: 'top',
       trigger: 'click',
       overlayStyle: {},
-      onConfirm: function () {
-      },
-      onCancel: function () {
-      }
+      onConfirm: noop,
+      onCancel: noop,
+      okText: '确定',
+      cancelText: '取消'
     };
   },
   confirm() {
@@ -40,43 +56,31 @@ export default React.createClass({
     });
   },
   render() {
+    const {title, okText, cancelText, placement, overlayStyle, trigger} = this.props;
     const overlay = <div>
       <div className={prefixCls + '-content'}>
         <p className={prefixCls + '-message'}>
           <Icon type="exclamation-circle" />
-          {this.props.title}
+          {title}
         </p>
 
         <div className={prefixCls + '-buttons'}>
-          <Button onClick={this.cancel} type="ghost" size="small">取消</Button>
-          <Button onClick={this.confirm} type="primary" size="small">确定</Button>
+          <Button onClick={this.cancel} type="ghost" size="small">{cancelText}</Button>
+          <Button onClick={this.confirm} type="primary" size="small">{okText}</Button>
         </div>
       </div>
     </div>;
 
-    const transitionName = ({
-      top: 'zoom-down',
-      bottom: 'zoom-up',
-      left: 'zoom-right',
-      right: 'zoom-left',
-      topLeft: 'zoom-down',
-      bottomLeft: 'zoom-up',
-      leftTop: 'zoom-right',
-      rightTop: 'zoom-left',
-      topRight: 'zoom-down',
-      bottomRight: 'zoom-up',
-      leftBottom: 'zoom-right',
-      rightBottom: 'zoom-left',
-    })[this.props.placement];
+    const transitionName = transitionNames[placement];
 
     return (
-      <Tooltip placement={this.props.placement}
-               overlayStyle={this.props.overlayStyle}
+      <Tooltip placement={placement}
+               overlayStyle={overlayStyle}
                prefixCls={prefixCls}
                onVisibleChange={this.onVisibleChange}
                transitionName={transitionName}
                visible={this.state.visible}
-               trigger={this.props.trigger}
+               trigger={trigger}
                overlay={overlay}>
         {this.props.children}
       </Tooltip>

components/popconfirm/index.md

@@ -23,3 +23,5 @@
 | title     | 确认框的描述                             | string        | 无     |
 | onConfirm | 点击确认的回调                           | function      | 无     |
 | onCancel  | 卡片内容                                 | function      | 无     |
+| okText    | 确认按钮文字                              | String        | 确定   |
+| cancelText| 取消按钮文字                              | String        | 取消   |