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@@ -0,0 +1,79 @@
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+<!DOCTYPE html>
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+<html lang="en">
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+
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+<head>
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+ <meta charset="UTF-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Document</title>
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+ <script src="./babel.min.js"></script>
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+ <script src="./react.development.js"></script>
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+ <script src="./react-dom.development.js"></script>
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+</head>
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+
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+<body>
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+ <div id="root"></div>
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+ <!--
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+ React主要使用的是Js方法(map/forEach/for)
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+ -->
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+ <script type="text/babel">
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+ class App extends React.Component {
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+ constructor() {
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+ super();
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+ this.state = {
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+ list: [
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+ {
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+ id:1,
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+ name:'图图',
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+ age:3
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+ },
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+ {
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+ id:2,
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+ name:'小美',
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+ age:4
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+ },
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+ {
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+ id:3,
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+ name:'大壮',
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+ age:5
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+ }
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+ ]
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+ }
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+ this.renderMain = this.renderMain.bind(this)
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+ }
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+ renderMain() {
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+ // console.log("走进来")
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+ // return this.state.list.map((item) => {
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+ // return <p>我叫{item.name}</p>
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+ // })
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+ let newList = [];
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+ // this.state.list.forEach((item) => {
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+ // newList.push(<p>我叫{item.name}</p>)
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+ // console.log(newList,'1')
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+ // })
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+ // console.log(newList)
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+ // return newList;
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+ for(let i=0;i<this.state.list.length;i++) {
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+ newList.push(
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+ <p>我叫{this.state.list[i].name}</p>
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+ )
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+ console.log(newList)
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+ }
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+ return newList;
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+ }
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+ render() {
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+ return (
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+ <div>
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+ <h1>列表渲染</h1>
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+ <p>{this.renderMain()}</p>
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+ </div>
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+ )
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+ }
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+ }
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+ const element = <App/>
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+ const container = document.getElementById("root");
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+ const root = ReactDOM.createRoot(container)
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+ root.render(element);
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+ </script>
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+</body>
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+
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+</html>
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zheng