React状态的含义和用法

一、

二、代码

 1 <!DOCTYPE html>
 2 <html lang="zh-cn">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>Hello, World</title>
 6 </head>
 7 <body>
 8     <script src="./react-0.13.2/react-0.13.2/build/react.js"></script>
 9     <script src="./react-0.13.2/react-0.13.2/build/JSXTransformer.js"></script>
10     <script type="text/jsx">
11         var style = {
12             color: "red",
13             border: "1px #000 solid",
14         };
15         var HelloWorld = React.createClass({
16             render: function () { 
17                 return <p>Hello, {this.props.name}</p>;
18             },
19         });
20         var HelloUniverse = React.createClass({
21             getInitialState: function () {
22                 return {
23                     name: 'Tim',
24                 };
25             },
26             handleChange: function (event) {                
27                 this.setState({name: event.target.value});
28             },
29             render: function () {
30                 return <div>
31                 <HelloWorld name={this.state.name}></HelloWorld>
32                 <br/>
33                 <input type="text" onChange={this.handleChange} />
34                 </div>
35             },
36         });
37         React.render(<div style={style}><HelloUniverse></HelloUniverse></div>, document.body);
38     </script>
39 </body>
40 </html>

 

posted @ 2015-12-17 21:06  shamgod  阅读(347)  评论(0)  编辑  收藏  举报
haha