<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<!--引入react核心库 -->
<script src="./build/react-0.14.0.js"></script>
<!--引入react-dom核心库，主要实现dom操作 -->
<script src="./build/react-dom.js"></script>
<!--引入browser库,babel编译的核心库，在react中主要是识别浏览器无法编译的jsx语法，转化为浏览器能识别的es5语法 -->
<script src="./build/browser.min.js"></script>
</head>
<body>
<div id="app"></div>
<!--type="text/babel"必不可少，采用babel编译识别jsx语法 -->
<script type="text/babel">
class Hello extends React.Component{
constructor(props){
super(props)
this.state={
msg:'1234567'
}
this.handleChange=this.handleChange.bind(this)
}
handleChange(event){
this.setState({
msg:event.target.value
})
}
render(){
return (
<div>
<input type="text" value={this.state.msg} onChange={this.handleChange} />
<p>{this.state.msg}</p>
</div>
)
}
}
var app = document.getElementById('app')
ReactDOM.render(
<Hello/>,
app
)
</script>
</body>
</html>
