當當網商品詳情API接口（當當商品詳情接口，當當商品評論接口，當當商品問答接口，當當搶購價接口，當當商品列表接口，關鍵詞搜索當當網商品接口）代碼對接教程如下

1.公共參數

名稱類型必須描述（接口代碼教程wx19970108018)

key	String	是	調用key（必須以GET方式拼接在URL中，點擊獲取請求key和secret）
secret	String	是	調用密鑰
api_name	String	是	API接口名稱（包括在請求地址中）[item_search,item_get,item_search_shop等]
cache	String	否	[yes,no]默認yes，將調用緩存的數據，速度比較快
result_type	String	否	[json,jsonu,xml,serialize,var_export]返回數據格式，默認為json，jsonu輸出的內容中文可以直接閱讀
lang	String	否	[cn,en,ru]翻譯語言，默認cn簡體中文
version	String	否	API版本

2.請求參數

請求參數：num_iid=25122027

參數說明：num_iid:當當商品ID

備注：可以支持高并發調用接口?

3.請求示例（CURL、PHP 、PHPsdk 、Java 、C# 、Python…)

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.Reader; import java.net.URL; import java.nio.charset.Charset; import org.json.JSONException; import org.json.JSONObject; import java.io.PrintWriter; import java.net.URLConnection;public class Example {private static String readAll(Reader rd) throws IOException {StringBuilder sb = new StringBuilder();int cp;while ((cp = rd.read()) != -1) {sb.append((char) cp);}return sb.toString();}public static JSONObject postRequestFromUrl(String url, String body) throws IOException, JSONException {URL realUrl = new URL(url);URLConnection conn = realUrl.openConnection();conn.setDoOutput(true);conn.setDoInput(true);PrintWriter out = new PrintWriter(conn.getOutputStream());out.print(body);out.flush();InputStream instream = conn.getInputStream();try {BufferedReader rd = new BufferedReader(new InputStreamReader(instream, Charset.forName("UTF-8")));String jsonText = readAll(rd);JSONObject json = new JSONObject(jsonText);return json;} finally {instream.close();}}public static JSONObject getRequestFromUrl(String url) throws IOException, JSONException {URL realUrl = new URL(url);URLConnection conn = realUrl.openConnection();InputStream instream = conn.getInputStream();try {BufferedReader rd = new BufferedReader(new InputStreamReader(instream, Charset.forName("UTF-8")));String jsonText = readAll(rd);JSONObject json = new JSONObject(jsonText);return json;} finally {instream.close();}}public static void main(String[] args) throws IOException, JSONException {// 請求示例 url 默認請求參數已經URL編碼處理String url = "https://wx19970108018/dangdang/item_get/?key=<您自己的apiKey>&secret=<您自己的apiSecret>&num_iid=25122027";JSONObject json = getRequestFromUrl(url);System.out.println(json.toString());}}

?4.響應示例

{"item": {"num_iid": "25122027","title": "朗讀者（1-3輯）（榮獲2017年度大眾喜愛的50種圖書）","desc_short": "","price": "156.00","total_price": 0,"suggestive_price": 0,"orginal_price": "156.00","nick": "","num": "","min_num": 0,"detail_url": "http://product.dangdang.com/25122027.html","pic_url": "//img3m7.ddimg.cn/84/26/25122027-1_u_8.jpg","brand": "","brandId": "","rootCatId": "","cid": "","crumbs": [],"created_time": "","modified_time": "","delist_time": "","desc": "","desc_img": [],"item_imgs": [{"url": "//img3m7.ddimg.cn/84/26/25122027-1_u_8.jpg"},{"url": "//img3m7.ddimg.cn/84/26/25122027-2_u_3.jpg"},{"url": "//img3m7.ddimg.cn/84/26/25122027-3_u_1.jpg"},{"url": "//img3m7.ddimg.cn/84/26/25122027-4_u_1.jpg"},{"url": "//img3m7.ddimg.cn/84/26/25122027-5_u_1.jpg"},{"url": "//img3m7.ddimg.cn/84/26/25122027-6_u_1.jpg"}],"item_weight": "","item_size": "","location": "","post_fee": "","express_fee": "","ems_fee": "","shipping_to": "","has_discount": "","video": [],"is_virtual": "","sample_id": "","is_promotion": "","props_name": "","prop_imgs": {"prop_img": []},"property_alias": "","props": [{"name": "開 本","value": "32開"},{"name": "紙 張","value": "膠版紙"},{"name": "包 裝","value": "平裝-膠訂"},{"name": "是否套裝","value": "是"},{"name": "國際標準書號ISBN","value": "25122027"}],"total_sold": "","skus": {"sku": []},"seller_id": "","sales": 0,"shop_id": "","props_list": [],"seller_info": {"nick": "","shop_name": "","city": "","level": "","rate": "","totle_pf": "","desc_pf": "","server_pf": "","send_pf": "","shop_type": "","user_num_id": "","shopid": "","shopname": "","zhuy": "http://shop.dangdang.com/","tel": "","menu": []},"tmall": "","error": "","warning": "","url_log": "","sold": "88930","stuff_status": "","props_img": [],"shopinfo": {"shop_name": ""},"promo_type": "","shop_item": [],"relate_items": [],"format_check": "ok"},"error": "","secache": "665a65ebbf05689bd424affec75b2af6","secache_time": 1661739308,"secache_date": "2022-08-29 10:15:08","translate_status": "","translate_time": 0,"language": {"default_lang": "cn","current_lang": "cn"},"reason": "","error_code": "0000","cache": 0,"api_info": "today:21 max:10100 all[77=21+29+27];expires:2030-12-31","execution_time": "0.325","server_time": "Beijing/2022-08-29 10:15:08","client_ip": "106.6.36.86","call_args": {"num_iid": "25122027"},"api_type": "dangdang","translate_language": "zh-CN","translate_engine": "baidu","server_memory": "0.76MB","request_id": "gw-4.630c212c5c5cf","last_id": "1181945063" }

總結

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