Python使用Java实现以图搜图api接口

按图搜索淘宝商品（拍立淘） API 返回值说明

请求参数

请求参数：imgid=http://g-search3.alicdn.com/img/bao/uploaded/i4/O1CN01IDpcD81zHbpHs1YgT_!!2200811456689.jpg&cat=

参数说明：imgid:图片地址（支持淘宝或天猫图片地址，外部地址先调用上传图片(upload_img)接口，返回图片地址）
如:https://img.alicdn.com/imgextra/i3/15353738/TB2HDHAqN9YBuNjy0FfXXXIsVXa_!!15353738-0-beehive-scenes.jpg

响应参数       获取key和密钥

名称	类型	必须	示例值	描述
title	String	0	亲子装短袖t恤社会人衣服全家装一家三口母子母女纯棉夏装上衣潮	宝贝标题
cid	Int	0	50015374
list_type	String	0	外观相似宝贝	列表类型
pic_url	String	0	//g-search3.alicdn.com/img/bao/uploaded/i4/TB26ry1rBsmBKNjSZFsXXaXSVXa_!!2628705716.jpg	宝贝图片
promotion_price	String	0	38.71	优惠价
price	Float	0	39.50	价格
sales	Int	0	7	销量
num_iid	Bigint	0	575727312808	宝贝ID
sample_id	Bigint	0	1627115368	商品风格标识ID
seller_nick	String	0	专属味道之dzw	掌柜昵称
is_tmall	Bool	0	false
post_fee	String	0	0.00	物流费用
area	String	0	广东 东莞	店铺所在地
detail_url	String	0	//item.taobao.com/item.htm?id=575727312808&ns=1#detail	宝贝链接

java请求示例：

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 {
		// 请求示例 url 默认请求参数已经URL编码处理
		String url = "https://api-gw.onebound.cn/taobao/item_search_img/?key=<您自己的apiKey>&secret=<您自己的apiSecret>&imgid=http://g-search3.alicdn.com/img/bao/uploaded/i4/O1CN01IDpcD81zHbpHs1YgT_!!2200811456689.jpg&cat=";
		JSONObject json = getRequestFromUrl(url);
		System.out.println(json.toString());
	}

}