java通用URL接口地址调用方式GET和POST方式详解编程语言

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import org.json.JSONObject;
 
public class TestHuanXin {
public static void main(String[] args) {
    String url="http://blog.ytso.com";
        try {
              String request="id=23";
              String response=getData(url,request);
              System.out.println(response);
 
              JSONObject root = new JSONObject(response);
 
              JSONObject jsonObject =root.getJSONObject("data");
 
             String token=jsonObject.getString("access_token");
 
              System.out.println("token="+token);
 
       } catch (Exception e) {
              e.printStackTrace();
       }
}
 
public static String getData(String url, String request)throws UnsupportedEncodingException, IOException {
       String charset = "UTF-8";
       ByteArrayOutputStream outStream = new ByteArrayOutputStream();
       HttpURLConnection connect = (HttpURLConnection) (new URL(url).openConnection());
       connect.setRequestMethod("GET");
       connect.setDoOutput(true);
       connect.setConnectTimeout(1000 * 10);
       connect.setReadTimeout(1000 * 80);
       conn.setRequestProperty("ContentType",  "application/x-www-form-urlencoded"); //采用通用的URL百分号编码的数据MIME类型来传参和设置请求头
       connect.setDoInput(true);
       // 连接
       connect.connect();
       // 发送数据
       connect.getOutputStream().write(request.getBytes(charset));
       // 接收数据
       int responseCode = connect.getResponseCode();
       if (responseCode == HttpURLConnection.HTTP_OK) {
       InputStream in = connect.getInputStream();
       byte[] data = new byte[1024];
       int len = 0;
       while ((len = in.read(data, 0, data.length)) != -1) {
              outStream.write(data, 0, len);
       }
              in.close();
       }
       // 关闭连接
       connect.disconnect();
       String response = outStream.toString("UTF-8");
       return response;
       }
}