服务器及;Java中的客户端连接
下面是一个示例TCP/IP服务器和客户端程序 TCPServer服务器及;Java中的客户端连接,java,java-server,Java,Java Server,下面是一个示例TCP/IP服务器和客户端程序 TCPServer import java.io.*; import java.net.*; class TCPServer { public static void main(String argv[]) throws Exception { String clientSentence; String capitalizedSentence;
import java.io.*;
import java.net.*;
class TCPServer
{
public static void main(String argv[]) throws Exception
{
String clientSentence;
String capitalizedSentence;
ServerSocket welcomeSocket = new ServerSocket(6789);
while(true)
{
Socket connectionSocket = welcomeSocket.accept();
BufferedReader inFromClient =
new BufferedReader(new InputStreamReader(connectionSocket.getInputStream()));
DataOutputStream outToClient = new DataOutputStream(connectionSocket.getOutputStream());
clientSentence = inFromClient.readLine();
System.out.println("Received: " + clientSentence);
capitalizedSentence = clientSentence.toUpperCase() + '\n';
outToClient.writeBytes(capitalizedSentence);
}
}
}
TCPClient
import java.io.*;
import java.net.*;
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", 6789);
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);
clientSocket.close();
}
}
在该客户端中,我需要向服务器发送文本hi。一旦服务器从客户端读取到文本Hi,它将显示客户端Id,其中文本现在处于活动状态使用获取包含IP地址的对象,然后调用获取作为字符串的对象。您的实际问题是什么?我需要获取通过lan连接的计算机列表,我通过循环InetAddress获得,现在我需要检查它们是否正确那台计算机已经准备好了,我必须创建服务器和客户端。你能详细说明这个问题吗?我需要从本地主机向远程主机发送消息,我知道远程主机的ip地址connection@Bucks您现在已经声明了三个单独的要求。如果您想循环使用InetAddresses,那么代码中就没有这种迹象。这不是一个真正的问题。