JS 修改URL参数

来源：互联网发布：elisa试剂盒数据编辑：程序博客网时间：2024/04/29 01:33

function changeURLPar(url, ref, value) {    var str = "";    if (url.indexOf('?') != -1)        str = url.substr(url.indexOf('?') + 1);    else        return url + "?" + ref + "=" + value;    var returnurl = "";    var setparam = "";    var arr;    var modify = "0";    if (str.indexOf('&') != -1) {        arr = str.split('&');        for (i in arr) {            if (arr[i].split('=')[0] == ref) {                setparam = value;                modify = "1";            }            else {                setparam = arr[i].split('=')[1];            }            returnurl = returnurl + arr[i].split('=')[0] + "=" + setparam + "&";        }        returnurl = returnurl.substr(0, returnurl.length - 1);        if (modify == "0")            if (returnurl == str)                returnurl = returnurl + "&" + ref + "=" + value;    }    else {        if (str.indexOf('=') != -1) {            arr = str.split('=');            if (arr[0] == ref) {                setparam = value;                modify = "1";            }            else {                setparam = arr[1];            }            returnurl = arr[0] + "=" + setparam;            if (modify == "0")                if (returnurl == str)                    returnurl = returnurl + "&" + ref + "=" + value;        }        else            returnurl = ref + "=" + value;    }    return url.substr(0, url.indexOf('?')) + "?" + returnurl;}

http://blog.sina.com.cn/s/blog_9dcdd2020101j14f.html