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@@ -0,0 +1,65 @@
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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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+ <style>
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+ /* .box{
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+ width: 500px;
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+ height: 500px;
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+ border: 1px solid #000;
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+ margin: 0 auto;
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+ } */
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+ </style>
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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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+ <!-- className :
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+ className = '类名'
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+ className = {'类名'}
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+ -->
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+ <script type="text/babel">
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+ //动态渲染模式
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+ // jsx中style样式是对象Object格式 不能是字符串格式
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+ // let box = <div className={'box'}>这里展示样式</div>
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+ // 需求： 盒子样式； 大盒子居中 小盒子通过弹性盒子布局分别在左右两侧
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+ let newBox = {
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+ width:'500px',
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+ height:'500px',
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+ border:'1px solid #00f',
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+ margin:'0 auto',
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+ display:'flex',
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+ justifyContent:'space-between',
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+ alignItem:'center'
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+ }
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+ let left = {
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+ width:'100px',
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+ height:'100px',
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+ // jsx中动态渲染样式 样式属性若是多单词组成需要将其变成驼峰命名法
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+ backgroundColor:'#e83c09',
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+ color:'#0e7fc7'
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+ }
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+ let box = (
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+ <div style={newBox}>
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+ <div style={left}>左侧盒子</div>
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+ <div style={{
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+ width:'100px',
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+ height:'100px',
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+ backgroundColor:'blue',
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+ color:'#168743'
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+
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+ }}>右侧盒子</div>
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+ </div>
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+ )
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+ const getelement = document.getElementById('root');
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+ ReactDOM.createRoot(getelement).render(box)
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+ </script>
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+</body>
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+
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+</html>
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Yangbing