//一般获取url地址有两种方法,1,location.href是获取全部路径,例: https://www.baidu.com/?tn=90022014_hao_pg。2,location.hash,带#号获取之后的全部地址,例:https://www.baidu.com/?tn=90022014_hao_pg/#/login?ticket=sdaffh,获取后的值是#/login?ticket=sdaffh
将获取到之赋值给str
var str = location.href;
查找关键字
var oPos = str.indexOf('=');
var bPos = str.indexOf('#');
取两者之间的字符串截取
var stri = str.substr(oPos + 1, bPos - oPos - 2);