Http請求 cocos2d-js get 和 post

var httpGet = function (url, cbSucc, cbFail, options) {
        var flag = false;
        var xhr = cc.loader.getXMLHttpRequest();
        xhr.open("GET", url);

        if (cc.sys.isNative)
            xhr.setRequestHeader("Accept-Encoding", "gzip,deflate");

        var isRaw = false;
        if (options && options.responseType) {
            isRaw = true;
            xhr.responseType = options.responseType;
            delete options.responseType;
        }

        for (var k in options)
            if (options.hasOwnProperty(k))
                xhr.setRequestHeader(k, options[k]);

        xhr.onreadystatechange = function () {
            if (xhr.readyState == 4) {
                if (xhr.status == 200) {
                    if (isRaw)
                        cbSucc(new Uint8Array(xhr.response), xhr);
                    else
                        cbSucc(xhr.responseText, xhr);
                }
                else {
                    if (!flag) {
                        flag = true;
                        cbFail(xhr.statusText, xhr.responseText);
                    }
                }
            }
        };
        xhr.onerror = function () {
            if (!flag) {
                flag = true;
                cbFail(xhr.status, null);
            }
        };
        xhr.send();
    };

    var httpPost = function (url, data, ajaxSuccess, ajaxError, noBase64, key) {
        data = _.isString(data) ? data : JSON.stringify(data);
        var xhr = cc.loader.getXMLHttpRequest();
        xhr.open("POST", url);

        var timedOut = false;
        var timer = setTimeout(function(){
            timedOut = true;
            ajaxError();
            xhr.abort();
        }, 6000);

        xhr.setRequestHeader("Content-Type", "application/json;charset=UTF-8");
        // xhr.setRequestHeader("Content-Length", data.length);
        xhr.onreadystatechange = function () {
            if(timedOut){
                return;
            }
            clearTimeout(timer);

            var result, error = false;
            if (xhr.readyState == 4) {
                if ((xhr.status >= 200 && xhr.status < 300) || xhr.status == 304 || xhr.status == 0) {
                    var dataType = xhr.getResponseHeader('content-type');
                    result = xhr.responseText;
                    cc.log(result);
                    try {
                        if (dataType.indexOf('json')) result = JSON.parse(result);
                    } catch (e) {
                        error = e
                    }

                    if (error) ajaxError(error, 'parsererror', xhr);
                    else ajaxSuccess(result, xhr)
                } else {
                    ajaxError(xhr.statusText || null, xhr.status ? 'error' : 'abort', xhr)
                }
            }
        };
        xhr.onerror = function () {
            ajaxError(xhr.statusText || null);
        };
        if (noBase64)
            xhr.send(data);
        else {
            xhr.send(Base64.encode(data, key));
        }
    };