Ext.Ajax.request({
		    url:'./ck_xxcx?city_id='+id+'',//params:{city_id:'id'},method:'get',scope:this,timeout:10000,success: function (response,options) { 
			//获取结果将相关信息绘制在地图(封装服务端传送的数据
					
			
                    Ext.MessageBox.alert('成功','从服务端获取结果: ' + response.responseText); 
             },failure: function (response,options) { 
                    Ext.MessageBox.alert('失败','请求超时或网络故障,错误编号：' + response.status); 
              } 

		});