ExtJs Ajax的请求

//这段请求

Ext.lib.Ajax.request(
								'POST',       //这里估计要改改
								contextPath+'/xg/xszz/zxdkbAction.do?method=addSqs&sqs='+sqs,
								{
									success:function(response){
										var rs = Ext.decode(response.responseText);
										if(rs.success){
											location.href=contextPath+rs.message;
										}else{
											location.href=contextPath+rs.message;
										}
									},failure:function(){
										Ext.Msg.alert("提示","服务器连接失败!");
									}
								}
							);

  Ext.Ajax.request({         method: 'POST',         url: contextPath+'/xg/xszz/zxdkbAction.do?method=addSqs',         params:{          sqs:sqs         },success: function(response){          var rs = Ext.decode(response.responseText);          location.href=contextPath+rs;         }, failure: function(response){          var rs = Ext.decode(response.responseText);          location.href=contextPath+rs;         }  });  location.href=contextPath+"/xg/xszz/zxdk/zxdk_pksdjb.html";