增加行删除示例

demo/demolist/Demo0501.js

@@ -531,6 +531,9 @@ class Demo0501 extends Component {
         <Button colors="dark" onClick={this.edit(currentIndex)}>
           编辑
         </Button>
+        <Button colors="dark" onClick={this.delete(currentIndex)}>
+          删除
+        </Button>
       </div>
     );
   };