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@@ -0,0 +1,87 @@
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+<!DOCTYPE html>
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+<html lang="en">
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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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+ <style>
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+ * {
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+ margin: 0;
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+ padding: 0;
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+ list-style: none;
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+ text-decoration: none;
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+ box-sizing: border-box;
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+ }
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+ #container {
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+ width: 482px;
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+ height: 420px;
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+ margin: 100px auto;
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+ border: 1px solid #000;
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+ }
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+ #list {
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+ overflow: hidden;
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+ }
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+ #list li {
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+ width: 120px;
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+ height: 80px;
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+ text-align: center;
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+ line-height: 80px;
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+ float: left;
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+ border: 1px solid #f00;
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+ }
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+ .selected {
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+ color: #ff0;
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+ background: #f00;
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+ }
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+ .choose {
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+ display:none;
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+ }
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+ .active {
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+ width: 482px;
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+ height: 300px;
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+ color: purple;
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+ font-weight: bold;
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+ text-align: center;
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+ line-height: 300px;
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+ display: block;
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+ }
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+ </style>
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+</head>
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+<body>
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+ <div id="container">
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+ <ul id="list">
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+ <li class="selected">用户管理</li>
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+ <li>配置管理</li>
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+ <li>角色管理</li>
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+ <li>定时任务补</li>
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+ </ul>
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+ <div id="main">
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+ <div class="choose active">用户管理</div>
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+ <div class="choose">配置管理</div>
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+ <div class="choose">角色管理</div>
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+ <div class="choose">定时任务补</div>
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+ </div>
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+ </div>
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+ <script>
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+ var list = document.querySelectorAll("ul li");
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+ var main = document.querySelectorAll(".choose");
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+ console.log(list,main)
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+ for(var i=0;i<list.length;i++) {
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+ // console.log(i);
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+ // 自定义一个属性下标 存储 点击下标
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+ list[i].index = i;
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+ list[i].onclick = function() {
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+ // 点击事件时 this指向当前点击对象
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+ // console.log(list[i]);
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+ console.log(this.index)
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+ for(var j=0;j<main.length;j++) {
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+ list[j].className = "";
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+ main[j].className = "choose";
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+ }
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+ list[this.index].className = "selected";
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+ main[this.index].className = "choose active";
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+ }
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+ }
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+ </script>
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+</body>
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+</html>
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