通过京东商品ID获取京东优惠券信息，京东优惠券信息接口，京东优惠券API接口，接口说明接入方案
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://注册账号获取/jd/item_search_coupon/?key=<您自己的apiKey>&secret=<您自己的apiSecret>&q=&num_iid=10335871600=";
JSONObject json = getRequestFromUrl(url);
System.out.println(json.toString());
}
}