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MyClientDemo.java
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import java.io.*;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Scanner;
public class MyClientDemo {
public static void main(String[] args) throws IOException {
//địa chỉ máy chủ
final String serverHost = "localhost";
Socket clientSocket = null;
BufferedWriter bufferedWriter = null;
BufferedReader bufferedReader = null;
Scanner keyboardScanner = new Scanner(System.in);
boolean serverIsClosed = false;
try {
//gửi yêu cầu tới localhost ở port 8080
clientSocket = new Socket(serverHost, 8080);
//tạo output ở client để gửi tới server
bufferedWriter = new BufferedWriter(new OutputStreamWriter(clientSocket.getOutputStream()));
//tạo input ở client để nhận từ server
bufferedReader = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
try{
//đoạn này em muốn đọc người dùng nhập vào cái gì rồi in ra
// nhưng chưa biết làm thế nào để nó lặp đúng cách
// while(!serverIsClosed) {
// System.out.println("Enter your input to the server");
// String clientInput = keyboardScanner.next();
// bufferedWriter.write(clientInput);
// bufferedWriter.newLine();
// bufferedWriter.flush();
// }
bufferedWriter.write("This is a message");
bufferedWriter.newLine();
bufferedWriter.flush();
bufferedWriter.write("quit");
bufferedWriter.newLine();
bufferedWriter.flush();
bufferedWriter.write("Dòng này không được viết vì đã quit trước đó");
bufferedWriter.newLine();
bufferedWriter.flush();
String responseLine;
while((responseLine = bufferedReader.readLine()) != null) {
System.out.println("Server: " + responseLine);
if(responseLine.indexOf("OK") != -1){
serverIsClosed = true;
break;
}
}
bufferedReader.close();
bufferedWriter.close();
clientSocket.close();
}
catch (IOException e) {
e.printStackTrace();
}
}
}