请求示例 JAVA 获取淘宝商品详情数据 API 接口 item_get- 获得淘宝商品详情（按关键词搜索商品列表）

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_get/?key=<您自己的apiKey>&secret=<您自己的apiSecret>&num_iid=652874751412&is_promotion=1";		JSONObject json = getRequestFromUrl(url);		System.out.println(json.toString());	} }