重写jquery的ajax方法
//首先备份下jquery的ajax方法 var _ajax=$.ajax; //重写jquery的ajax方法 $.ajax=function(opt){ //备份opt中error和success方法 var fn = { error:function(XMLHttpRequest, textStatus, errorThrown){}, success:function(data, textStatus){} } if(opt.error){ fn.error=opt.error; } if(opt.success){ fn.success=opt.success; } //扩展增强处理 var _opt = $.extend(opt,{ error:function(XMLHttpRequest, textStatus, errorThrown){ debugger; erro = eval("(" + XMLHttpRequest.responseText + ")"); if(erro.err_code == 500) alert(erro.err_msg); //错误方法增强处理 fn.error(XMLHttpRequest, textStatus, errorThrown); }, success:function(data, textStatus){ //成功回调方法增强处理 fn.success(data, textStatus); }, beforeSend:function(xhr){ xhr.setRequestHeader('X-Token',$.getCookie("X-Token")); xhr.setRequestHeader('X-Client',"PC"); xhr.setRequestHeader('Content-Type',"application/json"); } }); return _ajax(_opt); };