除了自定义页脚外，点击取消不需要手动设置关闭

components/modal/demo/basic.md

@@ -26,12 +26,6 @@ var Test = React.createClass({
       visible: false
     });
   },
-  handleCancel() {
-    console.log('点击了取消');
-    this.setState({
-      visible: false
-    });
-  },
   render() {
     return <div>
       <button className="ant-btn ant-btn-primary" onClick={this.showModal}>显示对话框</button>

components/modal/demo/custom.md

@@ -34,9 +34,6 @@ var Test = React.createClass({
   },
   handleCancel() {
     console.log('点击了取消');
-    this.setState({
-      visible: false
-    });
   },
   render() {
     return <div>

components/modal/index.jsx

@@ -12,8 +12,7 @@ export default React.createClass({
   },
 
   handleCancel() {
-    var d = this.refs.d;
+    this.refs.d.requestClose();
-    d.requestClose();
   },
 
   getDefaultProps() {