lovecoding
/
VIP26


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./babel.min.js"></script>
    <script src="./react.development.js"></script>
    <script src="./react-dom.development.js"></script>
</head>
<body>
    <div id="root"></div>
    <!-- 
        单项数据流 props 推荐父级向子级传递 只读
     -->
    <script type="text/babel">
        function Good(props) {
            console.log(props,'父级的内容')
            return (
                <div style={{border:"2px solid #f00",padding:"10px"}}>
                    <p>这是一个父级标签</p>
                    <Day name='图图' age={4}></Day>
                </div>
            )
        }
        function Day(props) {
            console.log(props,'子级的内容')
            return (
                <div style={{border:"2px solid #00f",padding:"10px"}}>
                    <p>这是一个子级标签</p>
                    <p>我的名字叫{props.name}</p>
                    <p>我今年{props.age}岁了</p>
                    <button onClick={()=>{
                        handelClick(props)
                    }}>获取内容</button>
                </div>
            )
        }
        function handelClick(props) {
            console.log(props,'内容')
        }
        let element = <Good/>
        ReactDOM.createRoot(document.querySelector("#root")).render(element);
    </script>
</body>
</html>