API接口对程序员的帮助有哪些，参考值简要说明

API接口对程序员的帮助有哪些

提高开发效率：通过API接口，程序员能够在不用重复编写代码的情况下，直接获取其他应用程序提供的服务或数据，极大地提高了开发效率。

减少错误率：使用API接口可以避免手动输入数据容易出现的错误，数据的获取与传递都是自动完成的，从而减少了因手动输入或复制数据出现错误的概率。

保证数据一致性：API接口可以保证数据的一致性，确保数据的准确性和更新及时性。

强化安全性：API接口提供了访问控制、数据加密、身份验证等多种安全机制，保证数据和系统的安全。

扩展程序功能：API接口可以使程序员无需重写程序即可实现新的功能，从而扩展程序的功能。

降低开发成本：使用API接口可减少项目开发的工作量和时间成本，从而减少开发成本。

丰富开发经验：使用API接口需要对其功能及其使用方式进行理解和掌握，此处可以帮助开发者不断提升开发经验和技能。

参考值简要说明：

获得商品详情 API 返回值说明

公共参数

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）注册Key和secret接入
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

请求参数：num_iid=652874751412&is_promotion=1

参数说明：num_iid:淘宝商品ID
is_promotion:是否获取取促销价

请求示例

响应示例
{
    "item": {
      "num_iid": "520813250866",
      "title": "三刃木折叠刀过安检创意迷你钥匙扣钥匙刀军刀随身多功能小刀包邮",
      "desc_short": "",
      "price": 25.8,
      "total_price": 0,
      "suggestive_price": 0,
      "orginal_price": "25.80",
      "nick": "欢乐购客栈",
      "num": "832",
      "min_num": 0,
      "detail_url": "http://item.taobao.com/item.htm?id=520813250866",
      "pic_url": "//img.alicdn.com/imgextra/i4/2596264565/TB2p30elFXXXXXQXpXXXXXXXXXX_!!2596264565.jpg",
      "brand": "三刃木",
      "brandId": "4036703",
      "rootCatId": "50013886",
      "cid": "50014822",
      "favcount": "4824",
      "fanscount": "1469",
      "crumbs": [],
      "created_time": "",
      "modified_time": "",
      "delist_time": "",
      "desc": "<p style=\"text-align:center;\"><span style=\"color:#ff0000;\"><span style=\"font-size:24.0px;\"><strong>小店所有产品都支持刻字，如需刻字，拍之前联系客服即可。</strong></span></span></p> <p style=\"text-align:center;\"><span style=\"font-size:18.0px;\"><strong>炎炎夏日来临，一把随身携带便携式的折叠小刀，<span style=\"color:#ff0000;\">带开瓶器功能</span>，喝酒不用愁。（钥匙刀不带开瓶器功能）</strong></span></p> <p style=\"text-align:center;\"><strong style=\"color:#000000;line-height:1.5;\"><span style=\"font-size:18.0px;\"><span style=\"line-height:18.0px;\">可以当吊牌项链装饰，也可当钥匙扣挂饰， 水果刀 开瓶器 户外防身.</span></span></strong></p> <p style=\"text-align:center;\"><strong style=\"line-height:1.5;\"><span style=\"font-size:24.0px;\">部分客户跟我们反映链子质量还不够好，因此小店已重新订购一批质量更好的链子赠送，<span style=\"color:#ff0000;\">加量不加价</span>，只为让你买的更舒心，戴的更放心。</span></strong></p> <p style=\"text-align:center;\"><span style=\"font-size:36.0px;\"><strong>购买就送<span style=\"color:#ff0000;\">工具刀卡和链子</span>一条</strong></span></p> <p style=\"text-align:center;\"><span style=\"font-size:36.0px;\"><strong><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i3/2596264565/TB2Sci2jXXXXXXFXpXXXXXXXXXX_!!2596264565.png\" size=\"611x442\"> </strong></span></p> <p style=\"text-align:center;\"><span style=\"font-size:18.0px;\"><strong>璀璨钻石套餐包含【SK016D钥匙扣+GJ019C折叠刀+GJ017D工具卡】</strong></span><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i3/2596264565/TB2wWohmXXXXXX8XXXXXXXXXXXX_!!2596264565.jpg\" size=\"750x600\" /></p> <p style=\"text-align:center;\"><span style=\"font-size:18.0px;\"><strong>超凡大师套餐包括【304不锈钢钥匙扣+GJ019C折叠刀+GJ017D工具卡】</strong></span><a href=\"//item.taobao.com/item.htm?id=520798805877\" target=\"_blank\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i4/2596264565/TB2_uiXnFXXXXXBXXXXXXXXXXXX_!!2596264565.jpg_q90.jpg\" style=\"float:none;margin:0.0px;\" /></a></p> <p style=\"text-align:center;\">&nbsp;</p> <p style=\"text-align:center;\"><span style=\"font-size:18.0px;\"><strong>最强王者套餐包括【钛钢钥匙扣+GJ019C折叠刀+GJ017D工具卡】<a href=\"//item.taobao.com/item.htm?id=520801586805\" target=\"_blank\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i4/2596264565/TB2Gm9xnFXXXXbmXXXXXXXXXXXX_!!2596264565.jpg_q90.jpg\" style=\"float:none;margin:0.0px;\" /></a> </strong></span></p> <p style=\"text-align:center;\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i3/2596264565/TB28Ox4b77OyuJjSsplXXXqdpXa_!!2596264565.jpg\" size=\"749x553\"> <img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i1/2596264565/TB2.mTddVXXXXbeXpXXXXXXXXXX_!!2596264565.jpg\" style=\"line-height:1.5;\" size=\"750x653\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i3/2596264565/TB21Ro.jl0lpuFjSszdXXcdxFXa_!!2596264565.jpg\" size=\"750x653\"> <img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i4/2596264565/TB2q9CelVXXXXcUXXXXXXXXXXXX_!!2596264565.jpg\" size=\"750x340\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i3/2596264565/TB21EX9lVXXXXaXXpXXXXXXXXXX_!!2596264565.jpg\" size=\"750x416\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i3/2596264565/TB2udCylVXXXXXgXXXXXXXXXXXX_!!2596264565.jpg_q90.jpg\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i1/2596264565/TB2EARxjB8lpuFjSspaXXXJKpXa_!!2596264565.jpg\" size=\"750x515\"> <img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i3/2596264565/TB2ssuwlVXXXXafXXXXXXXXXXXX_!!2596264565.jpg_q90.jpg\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i2/2596264565/TB2nAHqgyC9MuFjSZFoXXbUzFXa_!!2596264565.jpg\" size=\"750x606\"> <img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i3/2596264565/TB2ahCelVXXXXc_XXXXXXXXXXXX_!!2596264565.jpg_q90.jpg\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i3/2596264565/TB2w1JnjwRkpuFjy1zeXXc.6FXa_!!2596264565.jpg\" size=\"750x469\"> <img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i3/2596264565/TB2C902lVXXXXbnXpXXXXXXXXXX_!!2596264565.jpg_q90.jpg\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i1/2596264565/TB2sGR3lVXXXXblXpXXXXXXXXXX_!!2596264565.jpg_q90.jpg\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i1/2596264565/TB2ZBGxlVXXXXXMXXXXXXXXXXXX_!!2596264565.jpg_q90.jpg\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i1/2596264565/TB2MjWklVXXXXcaXXXXXXXXXXXX_!!2596264565.jpg_q90.jpg\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i2/2596264565/TB2UgV3lVXXXXbdXpXXXXXXXXXX_!!2596264565.jpg_q90.jpg\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i2/2596264565/TB2ip5XlVXXXXX2XpXXXXXXXXXX_!!2596264565.jpg_q90.jpg\"> <img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i2/2596264565/TB2sMTBdVXXXXXlXXXXXXXXXXXX_!!2596264565.jpg_q90.jpg\" style=\"line-height:1.5;\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i3/2596264565/TB2d3HfdVXXXXahXpXXXXXXXXXX_!!2596264565.jpg_q90.jpg\" style=\"line-height:1.5;\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i4/2596264565/TB2AVbBdVXXXXXkXXXXXXXXXXXX_!!2596264565.jpg_q90.jpg\" style=\"line-height:1.5;\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i2/2596264565/TB2nf_wdVXXXXaMXXXXXXXXXXXX_!!2596264565.jpg_q90.jpg\" style=\"line-height:1.5;\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i4/2596264565/TB2dLYddVXXXXbtXpXXXXXXXXXX_!!2596264565.jpg_q90.jpg\" style=\"line-height:1.5;\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i2/2596264565/TB2H1_adVXXXXbWXpXXXXXXXXXX_!!2596264565.jpg_q90.jpg\" style=\"line-height:1.5;\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i2/2596264565/TB2eBzsdVXXXXbuXXXXXXXXXXXX_!!2596264565.jpg_q90.jpg\" style=\"line-height:1.5;\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i4/2596264565/TB2dOTndVXXXXcCXXXXXXXXXXXX_!!2596264565.jpg_q90.jpg\" style=\"line-height:1.5;\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i2/2596264565/TB2fK2tdVXXXXbkXXXXXXXXXXXX_!!2596264565.jpg_q90.jpg\" style=\"line-height:1.5;\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i2/2596264565/TB29zjedVXXXXaFXpXXXXXXXXXX_!!2596264565.jpg_q90.jpg\" style=\"line-height:1.5;\"><img align=\"absmiddle\" src=\"//img.alicdn.com/imgextra/i3/2596264565/TB2i7rmdVXXXXcTXXXXXXXXXXXX_!!2596264565.jpg_q90.jpg\" style=\"line-height:1.5;\" /></p>",
      "item_imgs": [
        {
          "url": "//img.alicdn.com/imgextra/i4/2596264565/TB2p30elFXXXXXQXpXXXXXXXXXX_!!2596264565.jpg"
        },
        {
          "url": "//img.alicdn.com/imgextra/i2/2596264565/TB2onxRlVXXXXcDXpXXXXXXXXXX_!!2596264565.jpg"
        },
        {
          "url": "//img.alicdn.com/imgextra/i1/2596264565/TB2a.x.lVXXXXXPXpXXXXXXXXXX_!!2596264565.jpg"
        },
        {
          "url": "//img.alicdn.com/imgextra/i2/2596264565/TB2iWE6bKZkyKJjSszbXXblwFXa_!!2596264565.jpg"
        },
        {
          "url": "//img.alicdn.com/imgextra/i4/2596264565/TB2j2cTXib_F1JjSZFzXXc6KXXa_!!2596264565.jpg"
        }
      ],
      "item_weight": "0",
      "item_size": "",
      "location": "广东深圳",
      "post_fee": "",
      "express_fee": "0.00",
      "ems_fee": "",
      "shipping_to": "广东广州白云区",
      "has_discount": "false",
      "video": [],
      "is_virtual": "",
      "sample_id": "",
      "is_promotion": "false",
      "props_name": "1627207:1347647754:颜色分类:长方形带开瓶器+送工具刀卡+链子;1627207:1347647753:颜色分类:椭圆形带开瓶器+送工具刀卡+链子;1627207:1195392087:颜色分类:GJ018X钥匙刀+送工具刀卡+链子;1627207:1331112595:颜色分类:超凡大师套餐【送工具卡+链子】;1627207:1331112594:颜色分类:最强王者套餐【送工具卡+链子】;1627207:1331264247:颜色分类:璀璨钻石套餐【送工具卡+链子】",
      "prop_imgs": {
        "prop_img": [
          {
            "properties": "1627207:1347647754",
            "url": "//img.alicdn.com/imgextra/i3/2596264565/TB2.XeblVXXXXXkXpXXXXXXXXXX_!!2596264565.jpg"
          },
          {
            "properties": "1627207:1347647753",
            "url": "//img.alicdn.com/imgextra/i4/2596264565/TB2dTrjdVXXXXXBXpXXXXXXXXXX_!!2596264565.jpg"
          },
          {
            "properties": "1627207:1195392087",
            "url": "//img.alicdn.com/imgextra/i2/2596264565/TB2j22kdVXXXXXdXpXXXXXXXXXX_!!2596264565.jpg"
          },
          {
            "properties": "1627207:1331112595",
            "url": "//img.alicdn.com/imgextra/i4/2596264565/TB2_uiXnFXXXXXBXXXXXXXXXXXX_!!2596264565.jpg"
          },
          {
            "properties": "1627207:1331112594",
            "url": "//img.alicdn.com/imgextra/i4/2596264565/TB2Gm9xnFXXXXbmXXXXXXXXXXXX_!!2596264565.jpg"
          },
          {
            "properties": "1627207:1331264247",
            "url": "//img.alicdn.com/imgextra/i3/2596264565/TB2wWohmXXXXXX8XXXXXXXXXXXX_!!2596264565.jpg"
          }
        ]
      },
      "property_alias": "1627207:1347647754:长方形带开瓶器+送工具刀卡+链子;1627207:1347647753:椭圆形带开瓶器+送工具刀卡+链子;1627207:1195392087:GJ018X钥匙刀+送工具刀卡+链子;1627207:1331112595:超凡大师套餐【送工具卡+链子】;1627207:1331112594:最强王者套餐【送工具卡+链子】;1627207:1331264247:璀璨钻石套餐【送工具卡+链子】",
      "props": [
        {
          "name": "品牌",
          "value": "三刃木"
        },
        {
          "name": "产地",
          "value": "中国"
        },
        {
          "name": "颜色分类",
          "value": "长方形带开瓶器+送工具刀卡+链子,椭圆形带开瓶器+送工具刀卡+链子,GJ018X钥匙刀+送工具刀卡+链子,超凡大师套餐【送工具卡+链子】,最强王者套餐【送工具卡+链子】,璀璨钻石套餐【送工具卡+链子】"
        },
        {
          "name": "吊牌价",
          "value": "46"
        },
        {
          "name": "功能数量",
          "value": "5个及以下"
        },
        {
          "name": "货号",
          "value": "GJ019C"
        },
        {
          "name": "附加功能",
          "value": "开瓶器,刀,螺丝刀,钥匙圈,其他"
        }
      ],
      "total_sold": "1",
      "skus": {
        "sku": [
          {
            "price": "39",
            "orginal_price": "39.00",
            "properties": "1627207:1347647754",
            "properties_name": "1627207:1347647754:颜色分类:长方形带开瓶器+送工具刀卡+链子",
            "quantity": "104",
            "sku_id": "3166598625985"
          },
          {
            "price": "39",
            "orginal_price": "39.00",
            "properties": "1627207:1347647753",
            "properties_name": "1627207:1347647753:颜色分类:椭圆形带开瓶器+送工具刀卡+链子",
            "quantity": "370",
            "sku_id": "3166598625984"
          },
          {
            "price": "25.8",
            "orginal_price": "25.80",
            "properties": "1627207:1195392087",
            "properties_name": "1627207:1195392087:颜色分类:GJ018X钥匙刀+送工具刀卡+链子",
            "quantity": "34",
            "sku_id": "3144644292458"
          },
          {
            "price": "73.8",
            "orginal_price": "73.80",
            "properties": "1627207:1331112595",
            "properties_name": "1627207:1331112595:颜色分类:超凡大师套餐【送工具卡+链子】",
            "quantity": "157",
            "sku_id": "3161300228970"
          },
          {
            "price": "91.8",
            "orginal_price": "91.80",
            "properties": "1627207:1331112594",
            "properties_name": "1627207:1331112594:颜色分类:最强王者套餐【送工具卡+链子】",
            "quantity": "0",
            "sku_id": "3161300228969"
          },
          {
            "price": "63.8",
            "orginal_price": "63.80",
            "properties": "1627207:1331264247",
            "properties_name": "1627207:1331264247:颜色分类:璀璨钻石套餐【送工具卡+链子】",
            "quantity": "167",
            "sku_id": "3161107666655"
          }
        ]
      },
      "seller_id": "2596264565",
      "sales": "1",
      "shop_id": "127203758",
      "props_list": {
        "1627207:1347647754": "颜色分类:长方形带开瓶器+送工具刀卡+链子",
        "1627207:1347647753": "颜色分类:椭圆形带开瓶器+送工具刀卡+链子",
        "1627207:1195392087": "颜色分类:GJ018X钥匙刀+送工具刀卡+链子",
        "1627207:1331112595": "颜色分类:超凡大师套餐【送工具卡+链子】",
        "1627207:1331112594": "颜色分类:最强王者套餐【送工具卡+链子】",
        "1627207:1331264247": "颜色分类:璀璨钻石套餐【送工具卡+链子】"
      },
      "seller_info": {
        "title": "欢乐购客栈",
        "shop_name": "欢乐购客栈",
        "sid": "127203758",
        "zhuy": "//shop127203758.taobao.com",
        "level": "12",
        "shop_type": "C",
        "user_num_id": "2596264565",
        "nick": "欢乐购客栈",
        "cid": null,
        "delivery_score": "4.8 ",
        "item_score": "4.8 ",
        "score_p": "4.8 "
      },
      "tmall": "false",
      "error": "",
      "warning": "",
      "url_log": [],
      "stuff_status": "",
      "shopinfo": {
        "shop_name": "欢乐购客栈",
        "shop_id": "127203758"
      },
      "data_from": "mtop",
      "method": "item_mtop:item_get",
      "promo_type": null,
      "props_img": {
        "1627207:1347647754": "//img.alicdn.com/imgextra/i3/2596264565/TB2.XeblVXXXXXkXpXXXXXXXXXX_!!2596264565.jpg",
        "1627207:1347647753": "//img.alicdn.com/imgextra/i4/2596264565/TB2dTrjdVXXXXXBXpXXXXXXXXXX_!!2596264565.jpg",
        "1627207:1195392087": "//img.alicdn.com/imgextra/i2/2596264565/TB2j22kdVXXXXXdXpXXXXXXXXXX_!!2596264565.jpg",
        "1627207:1331112595": "//img.alicdn.com/imgextra/i4/2596264565/TB2_uiXnFXXXXXBXXXXXXXXXXXX_!!2596264565.jpg",
        "1627207:1331112594": "//img.alicdn.com/imgextra/i4/2596264565/TB2Gm9xnFXXXXbmXXXXXXXXXXXX_!!2596264565.jpg",
        "1627207:1331264247": "//img.alicdn.com/imgextra/i3/2596264565/TB2wWohmXXXXXX8XXXXXXXXXXXX_!!2596264565.jpg"
      },