TaobaoClient client = new DefaultTaobaoClient(url, appkey, secret);
AlibabaIhomeGoodsItemModelSimilarsearchRequest req = new AlibabaIhomeGoodsItemModelSimilarsearchRequest();
req.setIdentityType("SWJ_IDENTITY_DESIGNER");
AlibabaIhomeGoodsItemModelSimilarsearchRequest.SimilarItemReq obj1 = new AlibabaIhomeGoodsItemModelSimilarsearchRequest.SimilarItemReq();
obj1.setModelImageUrl("http://zhuoyu.oss-cn-zhangjiakou.aliyuncs.com/data/ihome_swj/swj_wbg_img/162629244-%E5%8F%B3%E4%BF%AF%E8%A7%86%E5%9B%BE.png?OSSAccessKeyId=cZpR7MraH7vM2HXk&Expires=5270328873&Signature=tK7cFe5fyWfeoTZaxB6cJ7fBVNI%3D");
obj1.setCate1("沙发");
obj1.setCate2("沙发");
obj1.setCate3("沙发");
obj1.setCate4("沙发");
obj1.setRelModelId("123");
req.setSimilarItemReq(obj1);
AlibabaIhomeGoodsItemModelSimilarsearchResponse rsp = client.execute(req, sessionKey);
System.out.println(rsp.getBody());

ITopClient client = new DefaultTopClient(url, appkey, secret);
AlibabaIhomeGoodsItemModelSimilarsearchRequest req = new AlibabaIhomeGoodsItemModelSimilarsearchRequest();
req.IdentityType = "SWJ_IDENTITY_DESIGNER";
AlibabaIhomeGoodsItemModelSimilarsearchRequest.SimilarItemReqDomain obj1 = new AlibabaIhomeGoodsItemModelSimilarsearchRequest.SimilarItemReqDomain();
obj1.ModelImageUrl = "http://zhuoyu.oss-cn-zhangjiakou.aliyuncs.com/data/ihome_swj/swj_wbg_img/162629244-%E5%8F%B3%E4%BF%AF%E8%A7%86%E5%9B%BE.png?OSSAccessKeyId=cZpR7MraH7vM2HXk&Expires=5270328873&Signature=tK7cFe5fyWfeoTZaxB6cJ7fBVNI%3D";
obj1.Cate1 = "沙发";
obj1.Cate2 = "沙发";
obj1.Cate3 = "沙发";
obj1.Cate4 = "沙发";
obj1.RelModelId = "123";
req.SimilarItemReq_ = obj1;
AlibabaIhomeGoodsItemModelSimilarsearchResponse rsp = client.Execute(req, sessionKey);
Console.WriteLine(rsp.Body);

$c = new TopClient;
$c->appkey = $appkey;
$c->secretKey = $secret;
$req = new AlibabaIhomeGoodsItemModelSimilarsearchRequest;
$req->setIdentityType("SWJ_IDENTITY_DESIGNER");
$similar_item_req = new SimilarItemReq;
$similar_item_req->model_image_url="http://zhuoyu.oss-cn-zhangjiakou.aliyuncs.com/data/ihome_swj/swj_wbg_img/162629244-%E5%8F%B3%E4%BF%AF%E8%A7%86%E5%9B%BE.png?OSSAccessKeyId=cZpR7MraH7vM2HXk&Expires=5270328873&Signature=tK7cFe5fyWfeoTZaxB6cJ7fBVNI%3D";
$similar_item_req->cate1="沙发";
$similar_item_req->cate2="沙发";
$similar_item_req->cate3="沙发";
$similar_item_req->cate4="沙发";
$similar_item_req->rel_model_id="123";
$req->setSimilarItemReq(json_encode($similar_item_req));
$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=alibaba.ihome.goods.item.model.similarsearch' \
-d 'partner_id=apidoc' \
-d 'session=06749c6c-8c1b-423c-a5d1-b52723b98c48' \
-d 'sign=887ABC75CE223BC21996257E2F976FA1' \
-d 'sign_method=hmac' \
-d 'timestamp=2025-07-16+07%3A20%3A27' \
-d 'v=2.0' \
-d 'identity_type=SWJ_IDENTITY_DESIGNER' \
-d 'similar_item_req=null'

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

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

req.identity_type="SWJ_IDENTITY_DESIGNER"
req.similar_item_req="数据结构示例JSON格式"
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,"alibaba.ihome.goods.item.model.similarsearch");
add_param(pRequest,"identity_type","SWJ_IDENTITY_DESIGNER");
add_param(pRequest,"similar_item_req","数据结构JSON示例");
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('alibaba.ihome.goods.item.model.similarsearch', {
	'identity_type':'SWJ_IDENTITY_DESIGNER',
	'similar_item_req':'数据结构JSON示例'
}, function(error, response) {
	if (!error) console.log(response);
	else console.log(error);
})

<alibaba_ihome_goods_item_model_similarsearch_response>
    <data>
        <swj_item_d_t_o>
            <item_id>574606970992</item_id>
            <reverse_price>574</reverse_price>
            <item_title>黑胡桃木餐椅木蜡油椅子北欧日式实木家用樱桃木靠背书桌椅原木</item_title>
            <item_pic>https://img.alicdn.com/imgextra/i2/898374068/O1CN015HVk5Y1fvBt0kWvea_!!898374068.jpg</item_pic>
            <item_url>https://item.taobao.com/item.htm?id=574606970992</item_url>
            <commission_fee>15</commission_fee>
            <commission_rate>0.027</commission_rate>
        </swj_item_d_t_o>
    </data>
    <result_code>SUCCESS</result_code>
    <result_msg>null</result_msg>
</alibaba_ihome_goods_item_model_similarsearch_response>

{
    "alibaba_ihome_goods_item_model_similarsearch_response":{
        "data":{
            "swj_item_d_t_o":[
                {
                    "item_id":574606970992,
                    "reverse_price":574,
                    "item_title":"黑胡桃木餐椅木蜡油椅子北欧日式实木家用樱桃木靠背书桌椅原木",
                    "item_pic":"https:\/\/img.alicdn.com\/imgextra\/i2\/898374068\/O1CN015HVk5Y1fvBt0kWvea_!!898374068.jpg",
                    "item_url":"https:\/\/item.taobao.com\/item.htm?id=574606970992",
                    "commission_fee":15,
                    "commission_rate":"0.027"
                }
            ]
        },
        "result_code":"SUCCESS",
        "result_msg":"null"
    }
}

<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"
	}
}