var AjaxHelper = {

	reqGot : function (url, params, success, hidden) {

		var ajaxobj = $.ajax({
			url: url,
			type: "POST",
			// data:Util.encodeParams(params),
			data:params,
			dataType: "json"
		})
		.done(success)
		.always(function() {
			$('#dlg_loading').dialog({
				onClose: function(){}
			});

			if(!hidden) DialogHelper.showLoading(false);
		});

		$('#dlg_loading').dialog({
			onClose: function() {
				if (ajaxobj.readyState != 4) ajaxobj.abort();
				ajaxobj = null;
			}
		});

		if(!hidden) DialogHelper.showLoading(true);

		return ajaxobj;
	},

	req : function (url,params,successcb,errorcb,hidden)
	{
		if(!hidden) DialogHelper.showLoading(true);
		$.ajax({url:url,
			type:"POST",
			// data:Util.encodeParams(params),
			data:params,
			dataType:"json",
			success:function(data){
				if(data != null){
					if(data.retcode == 0){
						if(!hidden)
							DialogHelper.showModelAlert("操作成功", 'info');
					}else{
						if(!hidden)
							DialogHelper.showModelAlert(data.retcode+'/'+data.status.s, 'info');
					}
				}else{
					if(!hidden)
						DialogHelper.showModelAlert("未知错误", 'info');
				}
				if(!hidden) DialogHelper.showLoading(false);
				if(successcb) successcb(data);
			},
			error:function(){
				if(!hidden){
					DialogHelper.showModelAlert("网络调用失败，请重试。", 'error');
					DialogHelper.showLoading(false);
				}
				if(errorcb) errorcb();
			}
		});
	},
	reqQuietly : function(url,params,successcb,errorcb){
		this.req(url,params,successcb,errorcb,true);
	}

};