<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title></title> <style type="text/css"> * { margin: 0; padding: 0; } ul { list-style: none; } .wrapper { 1000px; height: 475px; margin: 0 auto; margin-top: 100px; } .tab { border: 1px solid #ddd; border-bottom: 0; height: 36px; 320px; } .tab li { position: relative; float: left; 80px; height: 34px; line-height: 34px; text-align: center; cursor: pointer; border-top: 4px solid #fff; } .tab span { position: absolute; right: 0; top: 10px; background: #ddd; 1px; height: 14px; overflow: hidden; } .products { 1002px; border: 1px solid #ddd; height: 476px; } .products .main { float: left; display: none; } .products .main.selected { display: block; } .tab li.active { border-color: red; border-bottom: 0; } </style> <script src="../jquery-1.12.4.js"></script> <script> $(function () { $(".tab-item").mouseenter(function () { $(this).addClass("active").siblings().removeClass("active"); var idx = $(this).index(); $(".main").eq(idx).addClass("selected").siblings().removeClass("selected"); }); }) </script> </head> <body> <div class="wrapper"> <ul class="tab"> <li class="tab-item active">国际大牌<span>◆</span></li> <li class="tab-item">国妆名牌<span>◆</span></li> <li class="tab-item">清洁用品<span>◆</span></li> <li class="tab-item">男士精品</li> </ul> <div class="products"> <div class="main selected"> <a href="###"><img src="imgs/guojidapai.jpg" alt=""/></a> </div> <div class="main"> <a href="###"><img src="imgs/guozhuangmingpin.jpg" alt=""/></a> </div> <div class="main"> <a href="###"><img src="imgs/qingjieyongpin.jpg" alt=""/></a> </div> <div class="main"> <a href="###"><img src="imgs/nanshijingpin.jpg" alt=""/></a> </div> </div> </div> </body> </html>