AlipayClient alipayClient = new DefaultAlipayClient("https://openapi.alipay.com/gateway.do","app_id","your private_key","json","GBK","alipay_public_key","RSA2");
AlipayUserPassGrouplistQueryRequest request = new AlipayUserPassGrouplistQueryRequest();
request.setBizContent("{" +
"\"user_id\":\"2088888888888888\"," +
"\"partner_id\":\"2088888888888888\"," +
"\"group_type\":\"voucher\"," +
"\"time_status\":\"CURRENT\"," +
"\"city_code\":\"320100\"," +
"\"need_shopinfo\":false," +
"\"page_size\":100," +
"\"page_num\":1" +
"  }");
AlipayUserPassGrouplistQueryResponse response = alipayClient.execute(request);
if(response.isSuccess()){
System.out.println("调用成功");
} else {
System.out.println("调用失败");
}

IAopClient client = new DefaultAopClient("https://openapi.alipay.com/gateway.do", "app_id", "merchant_private_key", "json", "1.0", "RSA2", "alipay_public_key", "GBK", false);
AlipayUserPassGrouplistQueryRequest  request= new AlipayUserPassGrouplistQueryRequest() ;
request.BizContent="{" +
"\"user_id\":\"2088888888888888\"," +
"\"partner_id\":\"2088888888888888\"," +
"\"group_type\":\"voucher\"," +
"\"time_status\":\"CURRENT\"," +
"\"city_code\":\"320100\"," +
"\"need_shopinfo\":false," +
"\"page_size\":100," +
"\"page_num\":1" +
"  }";
AlipayUserPassGrouplistQueryResponse response=client.execute(request);
Console.WriteLine(response.Body);

$aop = new AopClient ();
$aop->gatewayUrl = 'https://openapi.alipay.com/gateway.do';
$aop->appId = 'your app_id';
$aop->rsaPrivateKey = '请填写开发者私钥去头去尾去回车，一行字符串';
$aop->alipayrsaPublicKey='请填写支付宝公钥，一行字符串';
$aop->apiVersion = '1.0';
$aop->signType = 'RSA2';
$aop->postCharset='GBK';
$aop->format='json';
$request = new AlipayUserPassGrouplistQueryRequest ();
$request->setBizContent("{" .
"\"user_id\":\"2088888888888888\"," .
"\"partner_id\":\"2088888888888888\"," .
"\"group_type\":\"voucher\"," .
"\"time_status\":\"CURRENT\"," .
"\"city_code\":\"320100\"," .
"\"need_shopinfo\":false," .
"\"page_size\":100," .
"\"page_num\":1" .
"  }");
$result = $aop->execute ( $request); 

$responseNode = str_replace(".", "_", $request->getApiMethodName()) . "_response";
$resultCode = $result->$responseNode->code;
if(!empty($resultCode)&&$resultCode == 10000){
echo "成功";
} else {
echo "失败";
}

https://openapi.alipay.com/gateway.do?timestamp=2013-01-01 08:08:08&method=alipay.user.pass.grouplist.query&app_id=5095&sign_type=RSA2&sign=ERITJKEIJKJHKKKKKKKHJEREEEEEEEEEEE&version=1.0&biz_content=
  {
"user_id":"2088888888888888",
"partner_id":"2088888888888888",
"group_type":"voucher",
"time_status":"CURRENT",
"city_code":"320100",
"need_shopinfo":false,
"page_size":100,
"page_num":1
  }

//为确保安全通信，需自行验证响应示例中的sign值是否为蚂蚁金服所提供。

{
	"sign":"ERITJKEIJKJHKKKKKKKHJEREEEEEEEEEEE",
	"alipay_user_pass_grouplist_query_response":{
		"msg":"Success",
		"code":"10000",
		"pass_info_list":[
			{
				"second_logo_text":"30份吮指鸡块",
				"end_date":"2017-11-15 10:41:43",
				"gmt_create":"2017-11-20 10:41:23",
				"mechant_name":"商家名称",
				"data_info":"{\"logoText\":\"2元\",\"brandName\":\"fengyunN\",\"secondLogoText\":\"秦月单品满减优惠满5减2\",\"itemDesc\":\"1212淘鲜达口碑核销券单品满减优惠券\",\"btnDesc\":\"去买单\"}",
				"pass_id":"7000790003",
				"item_id":"20171115011040030100030000009952",
				"shop_id_list":[
					"2015092700077000000004491925"
				],
				"ext_info":"{\"logoText\":\"2元\",\"brandName\":\"fengyunN\",\"secondLogoText\":\"秦月单品满减优惠满5减2\",\"itemDesc\":\"1212淘鲜达口碑核销券单品满减优惠券\",\"btnDesc\":\"去买单\"}",
				"logo_text":"30份吮指鸡块",
				"start_date":"2017-11-15 10:41:43",
				"status":"can_use"
			}
		]
	}
}

{
	"sign":"ERITJKEIJKJHKKKKKKKHJEREEEEEEEEEEE",
	"alipay_user_pass_grouplist_query_response":{
		"msg":"Service Currently Unavailable",
		"code":"20000",
		"sub_msg":"系统繁忙",
		"sub_code":"isp.unknow-error"
	}
}