socketclient.java

来自「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」· Java 代码 · 共 42 行

package ch07.section04;

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

import ch07.section03.*;

public class socketClient {
  public static void main(String[] args) throws IOException {
    // 指定使用本地IP
    InetAddress addr =
        InetAddress.getByName(null);
    System.out.println("addr = " + addr);
    Socket socket =
        new Socket(addr, SocketServer.PORT);
    // 将代码放在Try语句中执行，以确保程序能关闭socket
    try {
      System.out.println("socket = " + 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);
      for (int i = 0; i < 10; i++) {
        out.println("测试 " + i);
        String str = in.readLine();
        System.out.println("自服务端： " + str);
      }
      out.println("END");
    }
    finally {
      System.out.println("关闭");
      socket.close();
    }
  }
}