lovecoding
/
vipAllDay


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