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B/1/P07.html

@@ -0,0 +1,38 @@
+<!--
+ * @Author: chenxuan
+ * @Date: 2021-12-31 00:08:42
+ * @LastEditTime: 2022-01-01 15:57:12
+ * @LastEditors: chenxuan
+-->
+<!DOCTYPE html>
+<html>
+<head>
+	<meta charset="utf-8">
+	<meta name="viewport" content="width=device-width, initial-scale=1">
+	<title>state简写</title>
+</head>
+<body>
+	<div id="app"></div>
+	<script src="../package/old/react.development.js"></script>
+    <script src="../package/old/react-dom.development.js"></script>
+    <script src="../package/old/babel.min.js"></script>
+    <script type="text/babel">
+    	class Weather extends React.Component{
+            state={ishot:true}
+			render(){
+				const {ishot}=this.state;
+				return <h1 onClick={this.demo}>今天天气很{ishot ? '炎热' : '凉爽'}</h1>
+			}
+			demo=()=>{
+				this.setState({
+					ishot:!this.state.ishot
+				})
+			}
+		}
+		ReactDOM.render(
+			<Weather/>,document.getElementById('app')
+		)
+		
+    </script>
+</body>
+</html>