获取URL值代码,Js代码库,德仔网

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【Js】获取URL值
作者:宝清 / 发布于2016/3/30/ 887
var urlUtils = function(){
    var utils ={
        getPicUrl:function(uid,name){
            if(uid == "" ||name == ""){
                return destiantionImgPrefix+"mr.jpg";
            }else{
                return destiantionImgPrefix+uid+"/"+name;
            }
        },
        /*获取url参数的值：name是参数名*/
        getUrl:function(name){
            var reg =new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
            var r = window.location.search.substr(1).match(reg);
            if (r != null) {
                return (r[2]);
            }
            return null;
        },
        //设置url参数值，ref参数名,value新的参数值
        setUrl:function(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;
 
        }
    };
    return utils
}();
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