Ajax的封装

通过对ajax方法的封装，可以进一步简化ajax调用，方便统一管理路径。

var util = {};

util.RequesterClass = function() {
    this.send = function(p_options) {
        var defaultOptions = {
            type : "POST"
        };
        var options = $.extend({}, defaultOptions, p_options);
        var params = options.params;
        if (options.params != null && options.type == "POST") {
            if (isPlainObject(options.params)) {
                params = JSON.stringify(options.params);
            }
        }
        var url = getRequestPath(options.path);
        $.ajax({
            url : url,
            data : params,
            type : options.type,
            contentType : "application/json; charset=utf-8",
            beforeSend : _beforeSend
        }).done(function(p_result) {
            if (isFunction(options.complete)) {
                if (isPlainObject(p_result)) {
                    options.complete(false, p_result);
                } else {
                    options.complete(true, p_result);
                }
            }
        }).fail(function(p_request, textStatus, errorThrown) {
            var error = new Error("Error when accessing " + url);
            error.method = p_request.method;
            error.responseText = p_request.responseText;
            error.responseStatus = p_request.status;
            error.internalError = errorThrown;
            if (isFunction(options.complete)) {
                options.complete(false, error);
            }
        });
    };
    
    function getRequestPath(p_path) {
        var url = "http://10.128.174.26:8000/";// http://10.128.174.26:8000/UTM/v0/
        return url + p_path;
    }
    
    function _beforeSend(p_request, p_options) {
//        var user = jQuery.sap.getObject("user");
//        if (typeof (user) != undefined && user != null) {
//            p_request.setRequestHeader("AccessToken", user.AccessToken);
//        }
    }
};

util.Requester = new util.RequesterClass();

封装的util.Requester方法需要调用的其他方法

function isPlainObject(p_value) {
    return $.isPlainObject(p_value);
}

function isFunction(p_value) {
    return typeof (p_value) == "function";
}

测试范例

        util.Requester.send({
            path : "UTM/v0/",
            params : {},
            complete : function(p_successful, p_result){
                if(p_successful) {
                    sap.m.MessageBox.alert(p_result);    
                }
                else {
                    sap.m.MessageBox.alert(p_result.message);    
                }
            }
        });