js 조작 url 매개 변수

7687 단어 url
function getQueStr(url, ref) // 

{

    var str = url.substr(url.indexOf('?') + 1);

    if (str.indexOf('&') != -1) {

        var arr = str.split('&');

        for (i in arr) {

            if (arr[i].split('=')[0] == ref)

                return arr[i].split('=')[1];

        }

    }

    else {

        return url.substr(url.indexOf('=') + 1)

    }

}



function setQueStr(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;

}



function delQueStr(url, ref) // 

{

    var str = "";



    if (url.indexOf('?') != -1)

        str = url.substr(url.indexOf('?') + 1);

    else

        return url;

    var arr = "";

    var returnurl = "";

    var setparam = "";

    if (str.indexOf('&') != -1) {

        arr = str.split('&');

        for (i in arr) {

            if (arr[i].split('=')[0] != ref) {

                returnurl = returnurl + arr[i].split('=')[0] + "=" + arr[i].split('=')[1] + "&";

            }

        }

        return url.substr(0, url.indexOf('?')) + "?" + returnurl.substr(0, returnurl.length - 1);

    }

    else {

        arr = str.split('=');

        if (arr[0] == ref)

            return url.substr(0, url.indexOf('?'));

        else

            return url;

    }

}

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