tcpserver.java

一个用JAVA作的TCP通信的例子

package tcp;

import java.io.*;
import java.net.*;
/**
 * tcp socket接收
 * @author Administrator
 *
 */
public class TcpServer {
    public static void main(String[] args) throws IOException {
        ServerSocket svrsoc = null;
        Socket soc = null;
        DataInputStream in = null;
        try {
            svrsoc = new ServerSocket(50000);
            
            //会阻塞在这，等待接收
            soc = svrsoc.accept();
            
            in = new DataInputStream(soc.getInputStream());
            String str = in.readLine();
            while (str != null) {
                System.out.println("receive str: " + str);
                str = in.readLine();
            }
            
            //收到信息后，给与回应
            PrintStream out = new PrintStream(soc.getOutputStream());
            out.println("server:收到!");
            out.close();
        } catch (Exception e) {
            System.out.println("error:" + e);
        } finally {
            in.close();
            soc.close();
            svrsoc.close();
            System.exit(0);
        }
    }
}