<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
<meta name="format-detection" content="telephone=no" />
<meta name="format-detection" content="email=no" />
<meta name="keywords" content="xxx" />
<meta name="description" content="xxx" />
<title>xxx</title>
<style>
/*
* 2016-10-14
*/
/*全局*/
html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline;outline:0;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;color:#000;-webkit-tap-highlight-color:rgba(0,0,0,0);-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;}
body{line-height:1;font-family:Microsoft YaHei,Helvetica,Tahoma,Arial,5FAE8F6F96C59ED1,sans-serif}
article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}
ol,ul{list-style:none}
blockquote,q{quotes:none}
blockquote:before,blockquote:after,q:before,q:after{content:'';content:none}
strong{font-weight:bold}
table{border-collapse:collapse;border-spacing:0}
img{border:0}
a{display:block;text-decoration:none}
body{background:#fff;position: relative;}
html,body{100%;overflow-x:hidden;}
@media only screen and (max-640px){html,body{font-size:25px}}
@media only screen and (max-540px){html,body{font-size:22.5px}}
@media only screen and (max-480px){html,body{font-size:18.5px}}
@media only screen and (max-400px){html,body{font-size:16.5px}}
@media only screen and (max-360px){html,body{font-size:15px}}
@media only screen and (max-320px){html,body{font-size:14px}}
@media only screen and (max-240px){html,body{font-size:13.5px}}
/*公共*/
.hide{display:none}
.c8420{color: #ff8420;}
/*私有*/
/*頂部tab*/
.tab_box{text-align: center;background: #fff;border-bottom: 1px solid #ebebeb;height: 50px;padding-left: 15px;box-sizing: border-box;}
.tab_box ul{ 1000px;}
.tab_box ul li{color: #333;font-size: 16px;position: relative;float: left;text-align: center;height: 50px;110px;line-height: 50px;}
.tab_box .under{position: absolute;border-bottom: 2px solid #ff8420; 80px;bottom: 0;left: 50%;margin-left: -40px;}
.tab_box .last{margin-right: 0;}
.tab_box .on{color: #ff8420;}
/*内容*/
.container{}
</style>
</head>
<body>
<!-- tab start -->
<div class="tab_box" id="tab_box">
<ul>
<li data_name="aaaa">aaaa<span class="under"></span></li>
<li data_name="bbbb">bbbb<span class="under hide"></span></li>
<li data_name="cccc">cccc<span class="under hide"></span></li>
<li data_name="dddd">dddd<span class="under hide"></span></li>
<li data_name="eeee">eeee<span class="under hide"></span></li>
<li data_name="ffff" class="last">ffff<span class="under hide"></span></li>
</ul>
</div>
<!-- tab end -->
<script src="http://valar.huainanhai.com/common/lib/zepto.1.1.3.js" type="text/javascript"></script>
<script src="http://valar.huainanhai.com/common/lib/iscroll.5.0.js"></script>
<script>
// 2016/10/17
var data_name = _get('data_name')?_get('data_name'):'';
var myscroll = null;
_init();
//初始化
function _init(){
//修改nav的宽度
setTabUlWidth();
//加载iscoll
tab_box_load();
//首次加载
if(data_name){
var obj = $('#tab_box ul li[data_name="'+data_name+'"]');
if(obj.length){
changeTab(obj);
//让tab滚动到指定tab
//将一个jQuery对象转换成DOM对象：[index]和.get(index);
var offset_left = obj[0].offsetLeft;
myscroll.scrollTo(-offset_left+110,0);
}else{
changeTab($('#tab_box ul li').eq(0));
}
}else{
changeTab($('#tab_box ul li').eq(0));
}
}
// 设置tab ul的宽度
function setTabUlWidth(){
var tab_li_width = $('#tab_box li').width();
var tab_li_num = $('#tab_box li').length;
$('#tab_box ul').css('width',tab_li_num*tab_li_width+50);
}
//tab点击监听
$('#tab_box ul li').on('click',function(){
changeTab($(this));
});
//切换tab
function changeTab(obj){
$('#tab_box ul li').removeClass('on');
$('#tab_box ul li span').hide();
obj.addClass('on');
obj.children('.under').show();
data_name = obj.attr('data_name');
}
//加载iscoll
function tab_box_load(){
myscroll = new iScroll("tab_box",{
snap: false,
momentum: true,
vScroll: false,
hScroll: true,
hScrollbar: false,
});
}
// 获取get参数
function _get(name){
//正则解释
// ()表示一个子表达式 1.在被修饰匹配次数的时候，括号中的表达式可以作为整体被修饰2.取匹配结果的时候，括号中的表达式匹配到的内容可以被单独得到
// (^|&) 匹配字符串开头或者&字符
// ([^&]*) 匹配除了&之外的字符0次或多次 相当于 {0,}
// (&|$) 匹配字符串结尾或者&字符
// match() 方法可在字符串内检索指定的值，或找到一个或多个正则表达式的匹配。
var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
var data = window.location.search.substr(1).match(reg);
return data!=null?decodeURIComponent(data[2]):null;
}
</script>
</body>
</html>