xxx

B/4/P01.html

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+<!--
+ * @Author: chenxuan
+ * @Date: 2022-01-04 23:05:26
+ * @LastEditTime: 2022-01-04 23:05:27
+ * @LastEditors: chenxuan
+-->
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>非受控组件</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">
+    	
+    </script>
+</body>
+</html>

B/4/read.text

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+1、非受控组件与非受控组件
+   非受控组件：所有输入类dom的值，现用现取
+   受控组件：所有输入类dom的值，随着输入，实时获取，类似vue的双向绑定

B/5/P01.html

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+<!--
+ * @Author: chenxuan
+ * @Date: 2022-01-05 22:48:03
+ * @LastEditTime: 2022-01-05 23:39:32
+ * @LastEditors: chenxuan
+-->
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>高阶组件</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 Demo extends React.Component{
+            saveData=(dataType)=>{
+                return(e)=>{
+                    this.setState({[dataType]:e.target.value})
+                }
+            }
+            render(){
+                return (
+                    <div>
+                        <input type="text" onChange={this.saveData('userName')} />
+                        <input type="text" onChange={this.saveData('passworld')} />
+                    </div>
+                )
+            }
+        }
+        ReactDOM.render(
+            <Demo/>,document.getElementById('app')
+        )
+    </script>
+</body>
+</html>

B/5/read.text

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+1、高阶组件