reactBaseDemo/react-5.html at master · linxing1026/reactBaseDemo · GitHub

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<!DOCTYPE html>
<html>
<head>
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<meta http-equiv="X-UA-Compatible" content="ie=edge">
	<title>react-PropTypes</title>
</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">
	//propTypes属性就是用来验证组件实例是否复合要求

	let MyTitle = React.createClass({
		propTypes:{
			name:React.PropTypes.string.isRequired
		},
		getDefaultProps : function() {
			return {
				name:'Hello world!'
			}
		},
		render:function(){
			return <h1>{this.props.name}</h1>
		}
	});
	var title = '123';
	ReactDOM.render(
		<MyTitle name={title}/>,
		// <MyTitle />,
		document.getElementById('app')
	)
	//getDefaultProps 方法可以用来设置组件属性的默认值

</script>