//js正则分析法获得url参数
function getQueryString(name) {
var reg =
new RegExp(
"(^|&)" + name +
"=([^&]*)(&|$)", "i")
;
var r =
window.
location.
search.
substr(
1).
match(reg)
;
if (r !=
null)
return unescape(r[
2])
; return null;
}
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