webApp开发-来一波Ajax封装

/*ajax方法封装*/

/*ajax方法封装*/
function getJSON(url,loadingObj,successFun,failFun){
    if(failFun==undefined){
        failFun = function(xhr, type){
            var title = "出错误了,可能请求的页面不存在";
            if(loadingObj)
                loadingObj.html(title);
            else{
                $.toast(title);
            }
        };
    }
    $.ajax({type:'get',url:url,dataType: 'json',success:successFun,error:failFun});
}
function getPOST(url,loadingObj,successFun,failFun){
    if(failFun==undefined){
        failFun = function(xhr, type){
            var title = "出错误了,可能请求的页面不存在";
            if(loadingObj)
                loadingObj.html(title);
            else{
                $.toast(title);
            }
        };
    }
    $.ajax({type:'POST',url:url,
        contentType:"application/x-www-form-urlencoded;charset=UTF-8",
        dataType: 'json',success:successFun,error:failFun});
}