0
过去两天我一直在努力。TCP客户端注册/使用hashmap登录java
我应该在eclipse中为我的计算机网络类有一个客户端/服务器Java,但重点是我们从来没有用java编码,它有点迫使我们在过去的一周中急于java。
在控制台IMsuposed写: 注册或登录
我如何检查字符串的第一个字,如果它等于注册存储在一个HashMap中的用户名和密码,以及它是否登录检查hashmap进行比较?
这是我到目前为止的代码:
SERVER:
import java.io.*;
import java.net.*;
import java.util.HashMap;
import java.util.List;
public class TCPServer {
public static void main(String argv[]) throws Exception
{
String clientSentence;
String capitalizedSentence;
HashMap<List<String>, List<String>> userMap = new HashMap<List<String>, List<String>>();
ServerSocket welcomeSocket = new ServerSocket(5201);
while (true) {
Socket connectionSocket = welcomeSocket.accept();
BufferedReader inFromClient = new BufferedReader(new InputStreamReader(connectionSocket.getInputStream()));
DataOutputStream outToClient = new DataOutputStream(connectionSocket.getOutputStream());
clientSentence = inFromClient.readLine();
capitalizedSentence = clientSentence.toUpperCase() + '\n';
outToClient.writeBytes(capitalizedSentence);
}
}
}
CLIENT
import java.io.*;
import java.net.*;
public class TCPClient {
public static void main(String argv[]) throws Exception
{
String sentence;
String modifiedSentence;
BufferedReader inFromUser = new BufferedReader(new InputStreamReader(System.in));
Socket clientSocket = new Socket("localhost", 5201);
DataOutputStream outToServer = new DataOutputStream(clientSocket.getOutputStream());
BufferedReader inFromServer = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
sentence = inFromUser.readLine();
outToServer.writeBytes(sentence + '\n');
modifiedSentence = inFromServer.readLine();
System.out.println("FROM SERVER: " + modifiedSentence);
inFromUser = new BufferedReader(new InputStreamReader(System.in));
clientSocket.close();
}
}
我应该如何从现在开始? 预先感谢您
谢谢你,我会像你说的那样做,会发布结果。 –