以下运行结果： 
代码如下：
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-moz-osx-font-smoothing: grayscale; } .sch-list{width: 900px;height: auto;border: 1px solid #EEE;border-radius: 2px;} .sch-list ul{overflow: hidden;width: 900px;height: auto;overflow: hidden;} .sch-list ul li{float: left;margin-top: 30px; width: 900px;height: 170px;border-bottom: 1px solid #eee;} .sch-list ul li:last-child{border-bottom: none;} .list-logo{float: left;margin-left: 20px; padding: 7px;box-sizing: border-box; width: 140px;height: 140px;border: 1px solid #E8E8E8;border-radius: 2px;} .list-logo img{width: 126px;height: 126px;} .list-logo img:hover{opacity:0.6;filter:alpha(opacity=60);} .list-matter{float: left; margin-left: 20px;width: 680px;height: auto;} .list-matter h3{font-size: 18px;color: #333; margin-bottom: 10px;} .list-matter h3:hover{color: #1184E1;} .sch-district{float: left;font-size: 12px;color: #999;line-height: 12px;width: 483px;text-overflow:ellipsis;white-space: nowrap; overflow: hidden;} .icont{width: 680px;clear: both;} .district{float: left;margin:1px 5px 0 0; color: #1fcabb;font-size: 16px;} .list-matter span{float: left;margin:15px 20px 0 0; font-size: 12px;color: #333;display: block;} .course{float: left;margin:1px 5px 0 0; color: #ec2480;font-size: 16px;} .evaluate{float: left;margin:1px 5px 0 0; color: #eea819;font-size: 16px;} .list-matter .tel{float: right;margin: 5px;font-size: 16px;} .chat{float: left;margin:0px 6px 0 0; color: #bfebd4;font-size: 20px;} .consult{clear: both; margin-top: 46px;font-size: 12px;line-height: 12px;color: #999;} .stu-evaluate{margin-top: 6px;padding: 3px 0 3px 4px;box-sizing: border-box; width: 698px;height: 24px;border: 1px solid #E8E8E8; font-size: 12px;color: #666;line-height: 18px;} .stu-tit{float: left;width: 72px;height: 18px;font-weight: bold;} .line{float: left;margin: 3px 4px 0 4px;width: 1px;height: 12px;background:#E8E8E8;} .stu-matter{margin-top: 2px; width: 600px;height: 18px;} .stu-matter:hover{color: #1184E1;cursor: pointer;} </style> </head> <body> <div class="sch-list"> <ul> <li> <div class="list-logo"> <a><img src="img/lg.png"/></a> </div> <div class="list-matter"> <h3><a>青鸟IT汇</a></h3> <p class="sch-district"> 微信关注公众号：青鸟IT汇，更多精彩竟在里面，java人脸识别，活体检测，张张嘴眨眨眼源码，js以及jar包应有尽有。还有C#实现指纹识别登陆，人脸识别等！欢迎关注！ </p> <div class="icont"> <span><i class="iconfont district"></i>java人脸识别</span> <span><i class="iconfont course"></i>微信公众号</span> <span><i class="iconfont evaluate"></i>人工智能</span> <span class="tel"><i class="iconfont chat"></i>400-601-2788转3453</span> </div> <p class="consult">青鸟IT汇</p> <div class="stu-evaluate"> <div class="stu-tit"> 学员真实评价 </div> <div class="line"></div> <p class="stu-matter sch-district"> 学习学科英语培训课程：教学环境干净、舒适。也有专门的绘本区供孩子借阅：。交通很方便，距离家也比较近距离家也比较近 </p> </div> </div> </li> <li> <div class="list-logo"> <a><img src="img/lg.png"/></a> </div> <div class="list-matter"> <h3><a>青鸟IT汇</a></h3> <p class="sch-district"> 微信关注公众号：青鸟IT汇，更多精彩竟在里面，java人脸识别，活体检测，张张嘴眨眨眼源码，js以及jar包应有尽有。还有C#实现指纹识别登陆，人脸识别等！欢迎关注！ </p> <div class="icont"> <span><i class="iconfont district"></i>java人脸识别</span> <span><i class="iconfont course"></i>微信公众号</span> <span><i class="iconfont evaluate"></i>人工智能</span> <span class="tel"><i class="iconfont chat"></i>400-601-2788转3453</span> </div> <p class="consult">青鸟IT汇</p> <div class="stu-evaluate"> </div> </div> </li> <li> <div class="list-logo"> <a><img src="img/lg.png"/></a> </div> <div class="list-matter"> <h3><a>青鸟IT汇</a></h3> <p class="sch-district"> 微信关注公众号：青鸟IT汇，更多精彩竟在里面，java人脸识别，活体检测，张张嘴眨眨眼源码，js以及jar包应有尽有。还有C#实现指纹识别登陆，人脸识别等！欢迎关注！ </p> <div class="icont"> <span><i class="iconfont district"></i>java人脸识别</span> <span><i class="iconfont course"></i>微信公众号</span> <span><i class="iconfont evaluate"></i>人工智能</span> <span class="tel"><i class="iconfont chat"></i>400-601-2788转3453</span> </div> <p class="consult">青鸟IT汇</p> <div class="stu-evaluate"> </div> </div> </li> </ul> </div> <script type="text/javascript"> $(document).ready(function() { $(".stu-evaluate").each(function() { var values_stu_evaluate = ($(this).text()); if(/^\s*?$/.test(values_stu_evaluate)) { //如果是空的 $(this).prev("p").css("margin-top", "75px"); $(this).css("border","0px"); } else { } }); }); </script> </body> </html>
