socketsclientstring.java~29~

jbuilder2006一书的所有源代码

package sockets;

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

public class SocketsClientString {

  public static void main(String[] args) throws IOException {
    //声明服务器的Socket类
    Socket serverSocket = null;
    //声明服务端写出类
    PrintWriter printWriter = null;
    //声明服务端读入类
    BufferedReader serverBufferedReader = null;
    try {
      //通过2222端口使客户端接口与服务器接口联系
      serverSocket = new Socket("bemyfriend", 2222);
      //创建服务端接口的写出类
      printWriter = new PrintWriter(serverSocket.getOutputStream(), true);
      //创建服务端接口的读入类
      serverBufferedReader = new BufferedReader(new InputStreamReader(serverSocket.
          getInputStream()));
    }
    catch (Exception e) {
      e.printStackTrace();
      System.exit(0);
    }
    System.out.println("成功创建2222端口的服务器.");

    //向服务器输入信息
    printWriter.println("客户端传入的字符串");
    //读入服务端信息
    String fromServer = serverBufferedReader.readLine();
    System.out.println(fromServer);
    //关闭服务端的文件写出类
    printWriter.close();
    //关闭服务端的文件读入类
    serverBufferedReader.close();
    //关闭Socket类
    serverSocket.close();
  }
}