高阶组件记录一下

<!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>
高阶组件记录一下

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