高阶组件记录一下
2018-05-17 本文已影响0人
冰红茶ht
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>JSONP实现跨域2</title>
<script crossorigin src="https://unpkg.com/react@16/umd/react.development.js"></script>
<script crossorigin src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
<script src="https://cdn.bootcss.com/babel-standalone/6.22.1/babel.min.js"></script>
</head>
<body>
<div id="root"></div>
</body>
<script type="text/babel">
function connect(state) {
return function(Component) {
return class extends React.Component{
constructor(props) {
super(props);
this.state = {
...state,
}
}
render() {
return <Component { ...state }/>
}
}
}
}
class Demo extends React.Component{
render() {
return (<div>
{this.props.name}
</div>)
}
}
const Example = connect({name: 'ht'})(Demo);
ReactDOM.render(<Example />, document.getElementById('root'));
</script>
</html>
