版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/qq_40735186/article/details/80599587
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script src="js/react.development.js"></script>
<script src="js/react-dom.development.js"></script>
<script src="js/browser.js"></script>
<script src="js/jquery.js"></script>
<script type="text/babel">
class Child extends React.Component{
constructor (...args){
super(...args);
this.num = 55;
}
render(){
this.props.cc(this.num);//回调函数
return <div>
{this.props.a}
</div>;
}
}
class Parent extends React.Component{
constructor (...args){
super(...args);
this.a = 12;
}
fn(num){
alert(num);
}
render(){
return <div>
<div>aaaaaaa</div>
<Child a={this.a} cc={this.fn.bind(this)}/>
<div>bbbbbbb</div>
</div>;
}
}
$(function(){
ReactDOM.render(
<Parent/>,
$('#view')
);
});
</script>
</head>
<body>
<view id="view"></view>
</body>
</html>