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://www.itxm.net”;
try {
String request=”id=23″;
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;
}
}
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原创文章，作者：奋斗，如若转载，请注明出处：https://blog.ytso.com/tech/architecture/7008.html