TaobaoClient client = new DefaultTaobaoClient(url, appkey, secret);
FenxiaoDiscountsGetRequest req = new FenxiaoDiscountsGetRequest();
req.setDiscountId(123L);
req.setExtFields("DETAIL");
FenxiaoDiscountsGetResponse rsp = client.execute(req, sessionKey);
System.out.println(rsp.getBody());

ITopClient client = new DefaultTopClient(url, appkey, secret);
FenxiaoDiscountsGetRequest req = new FenxiaoDiscountsGetRequest();
req.DiscountId = 123L;
req.ExtFields = "DETAIL";
FenxiaoDiscountsGetResponse rsp = client.Execute(req, sessionKey);
Console.WriteLine(rsp.Body);

$c = new TopClient;
$c->appkey = $appkey;
$c->secretKey = $secret;
$req = new FenxiaoDiscountsGetRequest;
$req->setDiscountId("123");
$req->setExtFields("DETAIL");
$resp = $c->execute($req, $sessionKey);

curl -X POST 'http://gw.api.taobao.com/router/rest' \
-H 'Content-Type:application/x-www-form-urlencoded;charset=utf-8' \
-d 'app_key=12129701' \
-d 'format=json' \
-d 'method=taobao.fenxiao.discounts.get' \
-d 'partner_id=apidoc' \
-d 'session=e29a5aa2-70c8-449d-9316-71629316b9dc' \
-d 'sign=AEBBB610182EFBF582859CF6B6DF1E13' \
-d 'sign_method=hmac' \
-d 'timestamp=2025-04-25+18%3A45%3A29' \
-d 'v=2.0' \
-d 'discount_id=123' \
-d 'ext_fields=DETAIL'

# -*- coding: utf-8 -*-
import top.api

req=top.api.FenxiaoDiscountsGetRequest(url,port)
req.set_app_info(top.appinfo(appkey,secret))

req.discount_id=123
req.ext_fields="DETAIL"
try:
	resp= req.getResponse(sessionkey)
	print(resp)
except Exception,e:
	print(e)

pTopRequest pRequest = alloc_top_request();
pTopResponse pResponse = NULL;
pTaobaoClient pClient = alloc_taobao_client(url, appkey, appsecret);
set_api_name(pRequest,"taobao.fenxiao.discounts.get");
add_param(pRequest,"discount_id","123");
add_param(pRequest,"ext_fields","DETAIL");
pResponse = top_execute(pClient,pRequest,sessionKey);
printf("ret code:%d\n",pResponse->code);
if(pResponse->code == 0){
	pTopResponseIterator ite = init_response_iterator(pResponse);
	pResultItem pResultItem = alloc_result_item();
	while(parseNext(ite, pResultItem) == 0){
		printf("%s:%s\n",pResultItem->key,pResultItem->value);
	}
	destroy_response_iterator(ite);
	destroy_result_item(pResultItem);
}
destroy_top_request(pRequest);
destroy_top_response(pResponse);
destroy_taobao_client(pClient);

TopClient = require('./topClient').TopClient;
var client = new TopClient({
	'appkey': 'appkey',
	'appsecret': 'secret',
	'REST_URL': 'http://gw.api.taobao.com/router/rest'
});

client.execute('taobao.fenxiao.discounts.get', {
	'discount_id':'123',
	'ext_fields':'DETAIL'
}, function(error, response) {
	if (!error) console.log(response);
	else console.log(error);
})

<fenxiao_discounts_get_response>
    <total_results>12</total_results>
    <discounts>
        <discount>
            <discount_id>123</discount_id>
            <name>一级会员</name>
            <details>
                <discount_detail>
                    <detail_id>456</detail_id>
                    <target_type>GRADE</target_type>
                    <target_id>789</target_id>
                    <target_name>一级会员</target_name>
                    <discount_type>PERCENT</discount_type>
                    <discount_value>10</discount_value>
                    <created>2000-01-01 00:00:00</created>
                    <modified>2000-01-01 00:00:00</modified>
                </discount_detail>
            </details>
            <created>2000-01-01 00:00:00</created>
            <modified>2000-01-01 00:00:00</modified>
        </discount>
    </discounts>
</fenxiao_discounts_get_response>

{
    "fenxiao_discounts_get_response":{
        "total_results":12,
        "discounts":{
            "discount":[
                {
                    "discount_id":123,
                    "name":"一级会员",
                    "details":{
                        "discount_detail":[
                            {
                                "detail_id":456,
                                "target_type":"GRADE",
                                "target_id":789,
                                "target_name":"一级会员",
                                "discount_type":"PERCENT",
                                "discount_value":10,
                                "created":"2000-01-01 00:00:00",
                                "modified":"2000-01-01 00:00:00"
                            }
                        ]
                    },
                    "created":"2000-01-01 00:00:00",
                    "modified":"2000-01-01 00:00:00"
                }
            ]
        }
    }
}

<error_response>
    <code>50</code>
    <msg>Remote service error</msg>
    <sub_code>isv.invalid-parameter</sub_code>
    <sub_msg>非法参数</sub_msg>
</error_response>

{
	"error_response":{
		"msg":"Remote service error",
		"code":50,
		"sub_msg":"非法参数",
		"sub_code":"isv.invalid-parameter"
	}
}