public class Okhttp  {
    private static final Logger logger = LogManager.getLogger("Okhttp");

    public static void main(String[] args) throws IOException {
        String url = "http://wwww.ysujcidmgecrsrrxv.net";
        OkHttpClient okHttpClient = new OkHttpClient.Builder()
                .connectTimeout(10, TimeUnit.SECONDS)
                .readTimeout(20, TimeUnit.SECONDS)
                .build();

       FileInputStream inputStream = new FileInputStream("C:\\Users\\Administrator\\Desktop\\pg\\okhttP\\date.txt");
       BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
        String line;
        while ((line = bufferedReader.readLine()) != null) {
            String a = "http://www."+line;
            Request.Builder builder = new Request.Builder().url(a);
            final Request request = builder.build();
            Call call = okHttpClient.newCall(request);

            call.enqueue(new Callback() {
                @Override
                public void onFailure(Call call, IOException e) {
                    if (e instanceof SocketTimeoutException) {
                        //判断超时异常
                        System.out.println("超时异常");
                    }
                    if (e instanceof ConnectException) {
                        ////判断连接异常，
                        System.out.println("连接异常");
                    }

                }
                @Override
                public void onResponse(Call call, Response response) throws IOException {

//                    int code =  response.code();
//                    System.out.println(code);

                    String type = response.header("Content-Type");
                    System.out.println(type);
                    logger.info(type);
                    response.close();

                } });

        }
        //默认就是GET请求，可以不写 .build();

//生命不息，学习不止