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代码是这样的：(没错，我玩MC)

static String MCAuth = "https://authserver.mojang.com/authenticate";

public static void AuthRequest(String id,String Password){

try{

URL url = new URL(MCAuth);

HttpURLConnection connection = (HttpURLConnection) url.openConnection();

connection.setDoOutput(true);

connection.setDoInput(true);

connection.setRequestMethod("POST");

connection.setUseCaches(false);

connection.setInstanceFollowRedirects(true);

connection.setConnectTimeout(20000);

connection.setReadTimeout(300000);

connection.setRequestProperty("Content-Type","application/json");

connection.connect();

DataOutputStream out = new DataOutputStream(connection.getOutputStream());

Gson rjson = new Gson();

SessionRequst sq = new SessionRequst();

sq.username = id;

sq.password = Password;

sq.agent.version = 1;

String q = rjson.toJson(sq,SessionRequst.class);

System.out.println(q);

out.writeBytes(q);

out.flush();

out.close();

BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));

String lines;

StringBuffer sb = new StringBuffer("");

while ((lines = reader.readLine()) != null) {

lines = new String(lines.getBytes(), "utf-8");

sb.append(lines);

}

System.out.println(sb);

reader.close();

connection.disconnect();

}catch(Exception e){

e.printStackTrace();

}

}

public static void main(String[] args){

AuthRequest("alan08","23333");

}

但是报403无法访问 说是BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));错了，求解答啊啊啊