AlipayClient alipayClient = new DefaultAlipayClient("https://openapi.alipay.com/gateway.do","app_id","your private_key","json","GBK","alipay_public_key","RSA2");
AntMerchantExpandMerchantStorelistQueryRequest request = new AntMerchantExpandMerchantStorelistQueryRequest();
request.setBizContent("{" +
"\"pid\":\"2088202967380463\"," +
"\"is_include_cognate\":\"false\"," +
"\"page_num\":1," +
"\"page_size\":20" +
"}");
AntMerchantExpandMerchantStorelistQueryResponse 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);
AntMerchantExpandMerchantStorelistQueryRequest  request= new AntMerchantExpandMerchantStorelistQueryRequest() ;
request.BizContent="{" +
"\"pid\":\"2088202967380463\"," +
"\"is_include_cognate\":\"false\"," +
"\"page_num\":1," +
"\"page_size\":20" +
"}";
AntMerchantExpandMerchantStorelistQueryResponse 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 AntMerchantExpandMerchantStorelistQueryRequest ();
$request->setBizContent("{" .
"\"pid\":\"2088202967380463\"," .
"\"is_include_cognate\":\"false\"," .
"\"page_num\":1," .
"\"page_size\":20" .
"}");
$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=ant.merchant.expand.merchant.storelist.query&app_id=3508&sign_type=RSA2&sign=ERITJKEIJKJHKKKKKKKHJEREEEEEEEEEEE&version=1.0&biz_content=
  {
"pid":"2088202967380463",
"is_include_cognate":"false",
"page_num":1,
"page_size":20
  }

//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。

{
	"ant_merchant_expand_merchant_storelist_query_response":{
		"msg":"Success",
		"merchant_stores":[
			{
				"store_id":"xxx",
				"shop_id":"xxx",
				"address":"广东省广州市白云区太和镇夏良村",
				"latitude":"36.39955050998264",
				"name":"肯德风味鸡腿广州龙归店",
				"shop_type":"直营店",
				"pid":"2088301083271168",
				"longitude":"120.4068937174479"
			}
		],
		"code":"10000",
		"total_size":298,
		"page_num":3,
		"total_pages":20,
		"page_size":15
	},
	"sign":"ERITJKEIJKJHKKKKKKKHJEREEEEEEEEEEE"
}

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