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<!doctype html> <html> <head>   <meta charset="utf-8">   <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport">  <title>测试</title>   <style type="text/css">    *{ margin:0; padding:0;}    .menu{ width:100%;}    .menu .item{ width:100%; height:auto; background-color: #fefefe;}    .menu .item h1{ font-size:15px; width:100%; position:relative;}    .menu .item h1 i{ display: inline-block; height:15px; width:10px; position:absolute; right:10px; top:0; background: url(images/right.png) no-repeat; background-size:10px auto;}    .menu .item ul{ display: none;}    .menu .item ul li{ list-style:none; color:#000; background-color: #fefefe; border-bottom:solid 1px #ededed; line-height: 32px; width:100%; position:relative;}    .menu .item ul li p{ display: none;}        .menu .item.active h1 i{ display: inline-block; height:10px; width:15px; position:absolute; right:10px; top:3px; background: url(images/down.png) no-repeat; background-size:15px auto;}    .menu .item ul li span.icon{display: inline-block; height:15px; width:10px; position:absolute; right:10px; top:0; background: url(images/right.png) no-repeat; background-size:10px auto;}    .menu .item ul li.active span.icon{ display: inline-block; height:10px; width:15px; position:absolute; right:10px; top:3px; background: url(images/down.png) no-repeat; background-size:15px auto;}    .menu .item.active ul{ display: block;}    .menu .item.active ul li.active p{ display: block;}  </style></head><body>  <div class="menu">    <div class="item">      <h1>标题一<i></i></h1>      <ul>        <li>1<span class="icon"></span>          <p>锋科技了束带结发历史的会计法落实到飞</p>        </li>        <li>2<span class="icon"></span>          <p>锋科技了束带结发历史的会计法落实到飞</p>        </li>        <li>3<span class="icon"></span>          <p>锋科技了束带结发历史的会计法落实到飞</p>        </li>      </ul>    </div>    <div class="item">      <h1>标题二<i></i></h1>      <ul>        <li>1<span class="icon"></span>          <p>锋科技了束带结发历史的会计法落实到飞</p>        </li>        <li>2<span class="icon"></span>          <p>锋科技了束带结发历史的会计法落实到飞</p>        </li>        <li>3<span class="icon"></span>          <p>锋科技了束带结发历史的会计法落实到飞</p>        </li>      </ul>    </div>    <div class="item">      <h1>标题三<i></i></h1>      <ul>        <li>1<span class="icon"></span>          <p>锋科技了束带结发历史的会计法落实到飞</p>        </li>        <li>2<span class="icon"></span>          <p>锋科技了束带结发历史的会计法落实到飞</p>        </li>        <li>3<span class="icon"></span>          <p>锋科技了束带结发历史的会计法落实到飞</p>        </li>      </ul>    </div>  </div>  <script type="text/javascript" src="js/jquery-1.7.min.js"></script>  <script type="text/javascript">    jQuery(function(){      $('.menu .item').each(function(){        var flag=true;        $(this).find('h1').on('click',function(){          if(flag){            $('.menu .item').removeClass('active');            $(this).parent('.item').addClass('active');                        flag=false;          }else{            $(this).parent('.item').removeClass('active');            flag=true;          }        });      });      $('.menu .item ul li').each(function(){          var flag=true;              $(this).on('click',function(event){          event.preventDefault();          event.stopPropagation();          if(flag){            $('.menu ul li').removeClass('active');            $(this).addClass('active');            flag=false;          }else{            $(this).removeClass('active');            flag=true;          }                        });      });    });  </script></body></html>