socketserver.java

JAVA编程百例书中各章节的所有例子的源代码,包括套接字编程

package ch07.section03;

import java.io.*;
import java.net.*;

public class SocketServer {
  // 为这个Socket选择一个断口8080:
  public static final int PORT = 8080;
  public static void main(String[] args) throws IOException {
    ServerSocket s = new ServerSocket(PORT);
    System.out.println("开始: " + s);
    try {
      // 生成一个Socket等待连接请求
      Socket socket = s.accept();
      try {
        System.out.println(
            "接受连接请求： " + socket);
        BufferedReader in =
            new BufferedReader(
            new InputStreamReader(
            socket.getInputStream()));
        // 定义一个PrintWriter对象写输出流
        PrintWriter out =
            new PrintWriter(
            new BufferedWriter(
            new OutputStreamWriter(
            socket.getOutputStream())), true);
        while (true) {
          String str = in.readLine();
          if (str.equals("END")) {
            break;
          }
          System.out.println("自客户端： " + str);
          out.println(str);
        }
        // 关闭socket
      }
      finally {
        System.out.println("关闭...");
        socket.close();
      }
    }
    finally {
      s.close();
    }
  }
}