京东（JD.com）并没有公开一个名为 jd.item_search_img 的按图搜索商品API，因为它可能是一个内部API或者是一个第三方开发者可能使用的非官方接口。不过，我们可以基于通常的API设计和功能来探讨一下如何理解和处理类似的按图搜索商品API的返回值。
处理API返回值
- 检查状态码：首先，检查
status字段以确定请求是否成功。如果状态码是error，则查看message字段以获取错误信息。 - 解析数据：如果请求成功，遍历
data数组中的每个元素以获取商品信息。每个元素可能包含商品ID、名称、图片URL、价格等字段。 - 处理图像匹配得分：如果API返回了图像匹配得分（如示例中的
score字段），则可以使用该得分对搜索结果进行排序或过滤。较高的得分通常表示图像与搜索查询更匹配。 - 处理分页信息：如果API支持分页（如示例中的
page和pageSize字段），则可以使用这些信息来请求更多页的结果。 - 错误处理：确保你的代码能够妥善处理任何可能的错误情况，如网络错误、无效的输入或API的特定错误代码。
- 缓存和性能优化：考虑使用缓存来存储经常查询的结果，以减少对API的调用次数并提高性能。此外，还可以优化你的代码以减少不必要的网络请求和数据处理。
- 遵守使用条款和限制：如果你使用的是第三方提供的非官方API，请确保遵守其使用条款和限制。不要过度请求或滥用API，以免对你的应用或账户造成不利影响。
-
jd.item_search_img
请求地址: api-gw.onebound.cn/jd/item_sea…
| 名称 | 类型 | 必须 | 描述 |
|---|---|---|---|
| key | String | 是 | 调用key（必须以GET方式拼接在URL中） |
| secret | String | 是 | 调用密钥 |
| api_name | String | 是 | API接口名称（包括在请求地址中）[item_search,item_get,item_search_shop等] |
| cache | String | 否 | [yes,no]默认yes，将调用缓存的数据，速度比较快 |
| result_type | String | 否 | [json,jsonu,xml,serialize,var_export]返回数据格式，默认为json，jsonu输出的内容中文可以直接阅读 |
| lang | String | 否 | [cn,en,ru]翻译语言，默认cn简体中文 |
| version | String | 否 | API版本 |
请求参数：imgid=img13.360buyimg.com/n1/jfs/t1/2…
参数说明：imgid:图片id（京东格式），也支持图片url或BASE64格式的图片上传
Version: Date:
| 名称 | 类型 | 必须 | 示例值 | 描述 |
|---|---|---|---|---|
| num_iid | Bigint | 0 | 41142424134 | 宝贝ID |
| title | String | 0 | 时尚收腰圆领短袖收腰蝙蝠袖纯色百搭2019年夏季连衣裙. 白色 S | 商品标题 |
| pic_url | String | 0 | //img14.360buyimg.com/n0/jfs/t1/31127/1/342/52750/5c3b2c12E466d12c0/47c72f9c99dd2feb.jpg | 宝贝图片 |
| promotion_price | Float | 0 | 236.00 | 优惠价 |
| price | Float | 0 | 236.00 | 价格 |
| sales | Int | 0 | 销量 | |
| sample_id | Bigint | 0 | 商品风格标识ID | |
| post_fee | Float | 0 | 物流费用 | |
| area | String | 0 | 店铺所在地 | |
| seller | String | 0 | 卖家昵称 |
返回数据示例
"items": { "item": [ { "title": "【母亲节送妈妈礼物 520情人节送女友】兰蔻兰蔻菁纯臻颜淡纹眼霜", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/176467/30/43165/63450/65f11ff1F056cbcfa/73ae221fd1c9af02.jpg.dpg", "price": "699", "promotion_price": "699", "sales": 470, "num_iid": "100101981730", "shop_id": "1000482215", "cid": "1381", "similarity": "0.982646465", "detail_url": "https://item.jd.com/100101981730.html" }, { "title": "金属眼霜面霜专用挖勺小号分装勺耐用卫生化妆品导入勺子美容工具 1个 金属挖勺（配收纳盒）", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/50008/20/23114/69886/64001103F791dc0c7/4088e015d3c03007.jpg.dpg", "price": "6.9", "promotion_price": "6.9", "sales": 24, "num_iid": "10069918697286", "shop_id": "12474517", "cid": "16832", "similarity": "0.828529119", "detail_url": "https://item.jd.com/10069918697286.html" }, { "title": "兰蔻（LANCOME）菁纯眼霜20ml 淡化细纹滋润保湿护肤 生日礼物送女友 母亲节礼物", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/224993/11/10419/141349/65952b7dF326eff4d/62de13a2e526aa80.jpg.dpg", "price": "659", "promotion_price": "659", "sales": 677, "num_iid": "100081757735", "shop_id": "1000362843", "cid": "1381", "similarity": "0.930544913", "detail_url": "https://item.jd.com/100081757735.html" }, { "title": "兰蔻（LANCOME）菁纯眼霜20ml 淡化细纹滋润保湿 护肤品节日生日礼物送女友老婆", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/124139/21/41429/96553/65a74e39Fad6ef717/3684d96320d94b47.jpg.dpg", "price": "659", "promotion_price": "659", "sales": 23904, "num_iid": "100089787904", "shop_id": "1000470962", "cid": "1381", "similarity": "0.92507571", "detail_url": "https://item.jd.com/100089787904.html" }, { "title": "兰蔻（LANCOME）菁纯臻颜淡纹眼霜3ml*3 旅行装", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/147926/7/42625/89482/65eff9d4F61af0f37/929b59f78e0f1f50.jpg.dpg", "price": "159.9", "promotion_price": "159.9", "sales": 322, "num_iid": "100064608018", "shop_id": "1000376954", "cid": "1381", "similarity": "0.915060401", "detail_url": "https://item.jd.com/100064608018.html" }, { "title": "兰蔻菁纯臻颜精萃乳霜（轻盈）15ml 旅行装", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/225902/32/11571/36719/659f865dFcfee8ff6/b33345cab32dace4.jpg.dpg", "price": "199", "promotion_price": "199", "sales": 2382, "num_iid": "100083062709", "shop_id": "1000343263", "cid": "1381", "similarity": "0.866021454", "detail_url": "https://item.jd.com/100083062709.html" }, { "title": "兰蔻（LANCOME）菁纯眼霜臻颜焕亮淡化黑眼圈细纹紧致抗皱老20ml 20ml", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/201888/18/33014/23096/65d72c71Fce3a412e/0a46dc88a5915daf.jpg.dpg", "price": "658", "promotion_price": "658", "sales": 16, "num_iid": "10096765748433", "shop_id": "13023911", "cid": "1381", "similarity": "0.903626025", "detail_url": "https://item.jd.com/10096765748433.html" }, { "title": "兰蔻菁纯眼霜20ml 淡纹抗皱滋润紧致 化妆品护肤套装礼盒生日礼物女", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/122974/25/38141/101482/650bfbe2F82c5442a/c59b7e83c34f9301.jpg.dpg", "price": "1200", "promotion_price": "1200", "sales": 446386, "num_iid": "100016492604", "shop_id": "1000306683", "cid": "1381", "similarity": "0.97103101", "detail_url": "https://item.jd.com/100016492604.html" }, { "title": "兰蔻菁纯眼霜20ml淡化细纹滋润 化妆护肤品礼盒母亲节生日礼物女", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/109602/37/42432/130785/660a7b18F04ff95e7/fd3c09586c1f5b60.jpg.dpg", "price": "1200", "promotion_price": "1200", "sales": 446469, "num_iid": "100006061653", "shop_id": "1000306683", "cid": "1381", "similarity": "0.924962938", "detail_url": "https://item.jd.com/100006061653.html" }, { "title": "兰蔻菁纯臻颜精萃乳霜 轻盈型 15ml", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/196373/3/38215/21960/65001549Fc8abeb4e/32b1ab94a4832f78.jpg.dpg", "price": "188", "promotion_price": "188", "sales": 57, "num_iid": "100068357101", "shop_id": "1000376954", "cid": "1381", "similarity": "0.874867439", "detail_url": "https://item.jd.com/100068357101.html" }, { "title": "兰蔻菁纯臻颜焕亮眼霜 20ml 礼物 生日礼物", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/92002/4/41335/96553/659f5fa2Fecdd97c6/d82bca3a086379fc.jpg.dpg", "price": "809", "promotion_price": "809", "sales": 2, "num_iid": "10095395600359", "shop_id": "12623281", "cid": "1381", "similarity": "0.925075829", "detail_url": "https://item.jd.com/10095395600359.html" }, { "title": "兰蔻面霜 菁纯臻颜乳霜小黑瓶塑颜黑金臻宠紧致抗皱淡纹保湿滋润面霜 菁纯面霜15ml（滋润型）", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/192733/10/40449/92400/653cac71F573b3dea/045ef21587bc8def.jpg.dpg", "price": "289", "promotion_price": "289", "sales": 816, "num_iid": "10089558498414", "shop_id": "11888304", "cid": "1381", "similarity": "0.857580185", "detail_url": "https://item.jd.com/10089558498414.html" }, { "title": "兰蔻菁纯化妆品护肤套装(水150ml+菁纯眼霜20ml+面霜60ml)母亲节礼盒", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/239976/29/1260/137957/658cef2eFf6d8c08d/cc052b5e2bc17ea7.jpg.dpg", "price": "5050", "promotion_price": "5050", "sales": 61542, "num_iid": "100011480196", "shop_id": "1000306683", "cid": "1381", "similarity": "0.918485761", "detail_url": "https://item.jd.com/100011480196.html" }, { "title": "兰蔻（LANCOME）菁纯玫瑰精华水面霜眼霜套装【520礼物】 菁纯9件套组合", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/99935/17/46634/39808/65defb7eFa1b13255/560faa99250631ee.jpg.dpg", "price": "399", "promotion_price": "399", "sales": 83, "num_iid": "10097114067250", "shop_id": "13503717", "cid": "1381", "similarity": "0.822784901", "detail_url": "https://item.jd.com/10097114067250.html" }, { "title": "兰蔻菁纯臻颜淡纹眼霜 淡化细纹 520情人节礼物 护肤品 女生 兰 蔻 20ml", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/105842/16/47356/39300/6604e3ebF2ebed2ea/45db92d4e0b0bf7e.jpg.dpg", "price": "990", "promotion_price": "990", "sales": 1, "num_iid": "10099544230452", "shop_id": "13005886", "cid": "1381", "similarity": "0.913681746", "detail_url": "https://item.jd.com/10099544230452.html" }, { "title": "兰蔻（LANCOME）菁纯眼霜 臻颜焕亮眼霜保湿抗皱提拉紧致淡化细纹黑眼圈 生日礼物 菁纯眼霜20ml", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/227331/1/14506/30697/65dff989Fcef5e23f/4544a8d34a76a28f.jpg.dpg", "price": "579", "promotion_price": "579", "sales": 3, "num_iid": "10097677003555", "shop_id": "10324998", "cid": "1381", "similarity": "0.9187181", "detail_url": "https://item.jd.com/10097677003555.html" }, { "title": "兰蔻（LANCOME）菁纯面霜臻颜精萃乳霜（ 轻盈）15ml*1 中小样，介意慎拍 滋润", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/59772/6/26665/31142/64ad017eF88bdaa6b/efd0f39a6887ee58.jpg.dpg", "price": "178.9", "promotion_price": "178.9", "sales": 183, "num_iid": "100058487438", "shop_id": "1000402521", "cid": "1381", "similarity": "0.863538206", "detail_url": "https://item.jd.com/100058487438.html" }, { "title": "兰蔻（LANCOME）菁纯面霜臻颜精萃乳霜（ 轻盈）15ml*3 中小样，介意慎拍 滋润", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/171243/18/34006/54335/64ad024cF9291d256/f6a2993899075226.jpg.dpg", "price": "528.9", "promotion_price": "528.9", "sales": 4985, "num_iid": "100058487412", "shop_id": "1000402521", "cid": "1381", "similarity": "0.852924645", "detail_url": "https://item.jd.com/100058487412.html" }, { "title": "兰蔻（LANCOME）菁纯眼霜 淡化细纹 补水保湿 护肤品生日礼物送女友老婆 菁纯眼霜20ml", "pic_url": "https://img13.360buyimg.com/n1/jfs/t1/107796/19/34103/55637/65083e30F11bac4ce/c0adb92c0391cbab.jpg.dpg", "price": "657", "promotion_price": "657", "sales": 83, "num_iid": "10086334106308", "shop_id": "12188609", "cid": "1381", "similarity": "0.910702527", "detail_url": "https://item.jd.com/10086334106308.html" }, { "title": "兰蔻 LANCOME 菁纯臻颜焕亮眼霜20ml", "pic_url":
