1.html:<div class="down-app">
<span id="dowm-close">x</span> <dl> <dt>logo</dt> <dd> <h3>某某公司</h3> <p>某某公司宗旨</p> </dd> </dl> <div class="down-app-main clearfix"><a href="#">某某公司</a></div> </div> <div class="down-app-bg"></div>
2.css:.down-app-bg{position:fixed!important;bottom:-1px!important;width:100%;max-width:640px;min-width:320px;height:80px;z-index:1;display:none}
.down-app{position:fixed!important;bottom:0!important;width:100%;max-width:640px;min-width:320px;height:80px;z-index:2;direction:down;background:rgba(0,0,0,.71)}.down-app span{display:inline-block;height:100%;width:10%;padding-left:2%;float:left}.down-app dl{margin-top:.8%;height:100%;float:left}.down-app dl dt{margin-right:10px;width:50px;height:100%;float:left}.down-app dl dd{float:left}.down-app dl dd h3{margin-top:10%;line-height:30px;font-size:18px;color:#FFF}.down-app dl dd p{color:#fff;font-size:12px}.down-app-main{text-align:right;height:100%;float:left;width:35%;position:relative}.down-app-main a{position:absolute;right:0;width:90px;height:40px;text-align:center;line-height:40px;background:#f8b62b;display:inline-block;color:#fff;border-radius:5px;margin-top:15%}
3.js:
<script src="js/zepto.min.js"></script>
<script> $(function(){ var downapp=$(".down-app,.down-app-bg"); downapp[sessionStorage.getItem('downloadAPP') || 'show'](); $("#dowm-close").on("click",function(){ downapp.remove(); sessionStorage.setItem('downloadAPP', 'remove'); });//获取input时,app下载代码块隐藏
var zm_input=$('#zm-user-reg-form-c input'); zm_input.on('focus',function(){ if ( $('.down-app').length){ downapp.hide(); } }).on('blur',function(){ if ( $('.down-app').length){ downapp.show(); } }); }) </script>