/***省略部分代码***/

function rewriteUrl(url) {

        if (url.substr(0, 1) === "/") {

            url = (rootdir || "") + url;

        }

        else if (url.substr(0, 2) === "~/") {

            url = (wwwdir || "") + url.replace(/^~/, '');

        }

        url = setQueryStringByName(url, "prjID", prjId);

        url = setQueryStringByName(url, "dptID", dptID);

        return url;

    }

/***省略部分代码***/ 

function setQueryStringByName(url, name, value) {

    var splitIndex = url.indexOf("?") + 1;

    if (splitIndex > 0) {

        var paramStr = url.substr(splitIndex, url.length);

        var newUrl = url.substr(0, splitIndex);

        // - if exist , replace

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

        for (var i = 0; i < arr.length; i++) {

            var kv = arr[i].split('=');

            if (kv[0] == name) {

                newUrl += kv[0] + "=" + value;

            } else {

                if (kv[1] != undefined) {

                    newUrl += kv[0] + "=" + kv[1];

                }

            }

            if (i != arr.length - 1) {

                newUrl += "&";

            }

        }

    }

    else {

        newUrl = url;

    }

    if (newUrl.indexOf(name) < 0) {

        newUrl += splitIndex == 0 ? "?" + name + "=" + value : "&" + name + "=" + value;

    }

    return newUrl;

}