reactBaseDemo/react-8.html at master · linxing1026/reactBaseDemo · GitHub

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<!DOCTYPE html>
<html>
<head>
	<title>react-表单与事件</title>
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
	<div id="app"></div>
</body>
</html>
<script src="./js/react.js"></script>
<script src="./js/react-dom.js"></script>
<script src="http://cdn.bootcss.com/babel-core/5.8.38/browser.min.js"></script>
<script type="text/babel">
    // var HelloMsg = React.createClass({
    //     getInitialState:function(){
    //         return {
    //             value:'Hello World'
    //         };
    //     },
    //     handleChange:function(event){
    //         this.setState({value:event.target.value});
    //     },
    //     render:function(){
    //         var value = this.state.value;
    //         return <div>
    //                     <input type='text' value={value} onChange={this.handleChange}/>
    //                     <h3>{value}</h3>
    //                </div>
    //     }
    // });

    // ReactDOM.render(
    //     <HelloMsg/>,
    //     document.getElementById('app')
    // )

    //子组件上使用表单
    //在父组件创建handleChange,作为prop{updateStateProp}传递到子组件

    var Content = React.createClass({
        render:function(){
            return <div>
                        <input type='text' value={this.props.propData} onChange={this.props.updataStateProp} />
                        <h3>{this.props.propData}</h3>
                   </div>;
        }
    });
    var HelloMsg = React.createClass({
        getInitialState:function(){
            return {
                value:'hello react'
            };
        },
        handleChange:function(event){
            this.setState({value:event.target.value});
        },
        render:function(){
            var value = this.state.value;
            return <div>
                        <Content propData = {value} updataStateProp = {this.handleChange}></Content>
                   </div>;
        }
    });

    ReactDOM.render(
        <HelloMsg/>,
        document.getElementById('app')
    )
</script>