clientsendfile.java~1~

1． 消息即时通信 2． 消息发送实现一对一、一对多等多种发送模式 3． 发送的消息实现多彩文本编辑

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

public class ClientSendFile {
  ServerSocket sendFileSocket=null;
  Socket socket=null;
  File toSendFile;
  Hashtable saveThread=new Hashtable();
  static Hashtable saveServerSocket=new Hashtable();
  String key=null;

  public ClientSendFile(File file,String toPeople){

    StringTokenizer fenxi=new StringTokenizer(toPeople,"$");
    int n=fenxi.countTokens();
    for(int i=0;i<=n-1;i++){
      boolean isExist=saveServerSocket.containsKey(fenxi.nextToken());
      if (!isExist) {
        int port = ClientSendFile.selectPort();
        try {
          sendFileSocket = new ServerSocket(port);
          //saveServerSocket.put(fenxi.nextElement(),port);
          saveServerSocket.put(fenxi.nextElement(),"1");
        }
        catch (IOException e) {
          e.printStackTrace();
        }
      }
      else {
//      int port=(int)saveServerSocket.get((Object)toPeople);
      }
    }

  }













  public static int selectPort(){
    for(int i=4000;i<4100;i++){
        try {
          ServerSocket serversocket = new ServerSocket(i);
          return i;
        }
        catch (IOException e) {
         System.out.println("error");
        }
      }
    return 0;
  }


  public static void main(String[] args) {
  }

}