mainform.java

java做的局域网聊天程序共享了。。要的下

  void ed_input_keyTyped(KeyEvent e)
  {
    if((mainform.onlinestate!=1)&(e.isAltDown()))
    {
      JOptionPane.showMessageDialog(null, "没有处于在线状态,不能发送消息!");
      return;
    }
    if ((!cbo_bc.isSelected())&(mainform.getuserip().trim()=="")&e.isAltDown())
    {
      JOptionPane.showMessageDialog(null,"你还没有选择给谁发消息!");
      return;
    }
    String userinput;
    userinput=ed_input.getText().trim();
    if (e.isAltDown()&(e.getKeyChar()=='\n'))
    {
      if (cbo_bc.isSelected())
        userinput=ctools.topack("16",userinput);
      else
        userinput=ctools.topack("06",userinput);
        ed_show.append("我对"+curusername+"说："+ed_input.getText());
      ctools.senddata(mainform.getuserip(),userinput);
      ed_input.setText("");

      if(winstate.equals("1"))
        this.setState(ICONIFIED);
    }

  }//end procedure

  void but_setup_actionPerformed(ActionEvent e)
  {
    frm_set fw=new frm_set();
    fw.setVisible(true);
  } //procedurte end


static void setuserip(String ip)
 {
  curuserip=ip;
 }//end procedure

static String getuserip()
{
  return(curuserip);
}//end procedure


static void setusername(String name)
{
  curusername=name;
  lab_uname.setText("当前用户名: "+name);
}//end procedure


static String getusername()
{
  return(curusername);
}//end procedure


static void setusericon(String icon,String state)
{
  curusericon=icon;
  Icon myicon=new ImageIcon("face/"+icon.trim()+"-1.gif");
  lab_uimage.setIcon(myicon);
}//end procedure

static String getusericon()
{
  return(curusericon);
}




static void setmyname(String name)
{
  myname=name;
  lab_my.setText(" "+name+" ");
}//end procedure


static String getmyname()
{
  return(myname);
}//end procedure


static void setmyicon(String icon,int state)
{
  myicon=icon;
  Icon myicon=new ImageIcon("face/"+icon.trim()+"-1.gif");
  lab_my.setIcon(myicon);
}//end procedure

static String getmyicon()
{
  return(myicon);
}




  void but_exit_keyTyped(KeyEvent e)
  {
 System.exit(0);
  }

  void but_exit_mousePressed(MouseEvent e)
  {
 System.exit(0);
  }

  void this_windowOpened(WindowEvent e)
  {
    String r;
    r=ctools.readfromset(filename).trim();
    if (r.equals("1"))
    {
      frm_set fs=new frm_set();
      fs.show(true);
    }

  } //end procedure

  void but_online_actionPerformed(ActionEvent e)
  {
    if (onlinestate==2)
    {
      //修改
      if (!mythread.isAlive() )
        mythread.start();
      else
        mythread.resume();
      //end
      String s;
      s=ctools.topack("11",myname,myicon);
      ctools.senddata("255.255.255.255",s); //户发出上线通知
      onlinestate=1;
      lab_info.setText("已经连接!");
    }
    onlinestate=1;
  }




  void but_about_actionPerformed(ActionEvent e)
  {
    frm_about fa=new frm_about();
    fa.show();
  }

class newthread extends Thread
{
  public void run()
  {
   String data="";
   String ip="";
   String type;
   while(true)
   {
     try{
       byte[] array=new byte[maxStrCount];
       receivepacket=new DatagramPacket(array,array.length);
       receivesocket.receive(receivepacket);
       ip=receivepacket.getAddress().toString();
       ip=ip.substring(ip.indexOf("/")+1,ip.length()).trim();  //取出IP地址

       //如果是收到自己的消息
       if (ip.equals(mainform.myip))
       {
         continue;
       }


       data=ctools.bytetostr(receivepacket.getData(),receivepacket.getLength());
       type=data.substring(0,2);
       switch(Integer.parseInt(type))
       {
         case 2:  //当有用户发出上线通知时
         {
           String tname;
           String ticon;
           int idx;
           int bh;

           tname=data.substring(2,22).trim();
           ticon=data.substring(22,27).trim();
           idx=ctools.scanlist(ip);
           if (idx<0)
           {
             ctools.addtolist(tname,ticon,ip,"1");
           };
           bh=ctools.scanlist(ip);
           if (bh>=0)
           {
             ctools.setuserstate(bh,"1");
           }
           break;
         }
         case 3: //收到某用户断线的消息
         {
           int bh;
           bh=ctools.scanlist(ip);
           if (bh>=0)
           {
             ctools.setuserstate(bh,"2");
           }
           break;
         }
         case 4://离线
         {
           int bh;
           bh=ctools.scanlist(ip);
           if (bh>=0)
           {
             ctools.setuserstate(bh,"3");
           }
           mainform.onlinestate=3;
           break;
         }
         case 6://聊天消息
         {
           String msg;
           String tname;
           int idx;
           msg=data.substring(2,data.length());
           idx=ctools.scanlist(ip);
           if (idx>0)
             tname=mainform.userlist[idx][1].trim();
           else
           {
             tname="未知用户(正在查询): ";
             ctools.senddata(ip,"12");
           }
           ed_show.append(nowtime.toLocaleString()+"  "+tname+": "+msg+'\n');
           if(onlinestate==3) //如用户为离线状态,则自动发送消息
           {
             ctools.senddata(ip,"06"+onofflinetime);
           }
           break;
         }
         case 11:  //当有用户发出上线通知时
         {
           String tname;
           String ticon;
           int idx;
           int bh;

           tname=data.substring(2,22).trim();
           ticon=data.substring(22,27).trim();
           idx=ctools.scanlist(ip);
           if (idx<0)
           {
             ctools.addtolist(tname,ticon,ip,"1");
           };
           String hpack=ctools.topack("02",myname,myicon);
           ctools.senddata(ip,hpack);
           bh=ctools.scanlist(ip);
           if (bh>=0)
           {
             ctools.setuserstate(bh,"1");
           }
           break;
         }
         case 12://收到询问自已信息的消息
         {
           String ts;
           ts=ctools.topack("11",myname,myicon);
           ctools.senddata(ip,ts);
           break;
         }
         case 14:  //重新上线
         {
           int bh;
           bh=ctools.scanlist(ip);
           if (bh>=0)
           {
             ctools.setuserstate(bh,"1");
           }
           else
             ctools.senddata(ip,"12");
           mainform.onlinestate=1;
           break;
         }
       case 16: //收到广播消息
       {
         String msg;
         String tname;
         int idx;

         msg=data.substring(2,data.length());
         idx=ctools.scanlist(ip);
         if (idx>0)
           tname=mainform.userlist[idx][1].trim();
         else
         {
           tname="未知用户(正在查询): ";
           ctools.senddata(ip,"12");
         }

         ed_show.append(nowtime.toLocaleString()+"  "+tname+"* "+msg+'\n');
         break;
       }
       }//end case
     }
     catch(IOException se){
   //    lab_info.setText(se.toString());
     }
   }
  }
}

  void but_offline_actionPerformed(ActionEvent e)
  {
    if (onlinestate!=2)
    {
//      mythread.stop(); // 由于演示需要,线程未停止,所以再次启动会出错
      mythread.suspend();
//      String hpack;
      ctools.senddata("255.255.255.255","03");
      mainform.onlinestate=2;
      lab_info.setText("已经下线,你不能再收发消息!");

    }
  }

  void but_online_mouseMoved(MouseEvent e)
  {
    but_online.setBorder(BorderFactory.createRaisedBevelBorder());
  }

  void but_offline_mouseMoved(MouseEvent e)
  {
    but_offline.setBorder(BorderFactory.createRaisedBevelBorder());

  }

  void but_setup_mouseMoved(MouseEvent e)
  {
    but_setup.setBorder(BorderFactory.createRaisedBevelBorder());

  }

  void but_about_mouseMoved(MouseEvent e)
  {
    but_about.setBorder(BorderFactory.createRaisedBevelBorder());

  }

  void but_exit_mouseMoved(MouseEvent e)
  {
    but_exit.setBorder(BorderFactory.createRaisedBevelBorder());

  }

  void but_online_mouseExited(MouseEvent e)
  {
    but_online.setBorder(BorderFactory.createEmptyBorder());

  }

  void but_offline_mouseExited(MouseEvent e)
  {
    but_offline.setBorder(BorderFactory.createEmptyBorder());

  }

  void but_setup_mouseExited(MouseEvent e)
  {
    but_setup.setBorder(BorderFactory.createEmptyBorder());

  }

  void but_about_mouseExited(MouseEvent e)
  {
    but_about.setBorder(BorderFactory.createEmptyBorder());

  }

  void but_exit_mouseExited(MouseEvent e)
  {
    but_exit.setBorder(BorderFactory.createEmptyBorder());

  }


  void ed_show_mouseReleased(MouseEvent e)
  {
    if (e.isPopupTrigger())
    {
      pop_menu.show(e.getComponent(),e.getX(),e.getY());
    }
  }

  void jMenuItem1_menuKeyReleased(MenuKeyEvent e)
  {
    mainform.ed_show.setText("");
  }

  void jMenuItem2_mouseReleased(MouseEvent e)
  {
     JFileChooser fc = new JFileChooser();
    if (JFileChooser.APPROVE_OPTION == fc.showOpenDialog(this)) {
      ctools.WriteToSet(fc.getSelectedFile().getPath(),ed_show.getText());
    }

  }

  void but_pause_actionPerformed(ActionEvent e)
  {

    if (onlinestate==1)
    {
      Icon iconfh=new ImageIcon("fh.gif");
      but_pause.setIcon(iconfh);
      String hpack;
      ctools.senddata("255.255.255.255","04");
      mainform.onlinestate=3;
      lab_info.setText("暂时离线");
      but_pause.setText("返回");
      return;
    }
    if (onlinestate==3)
    {
      Icon iconlk=new ImageIcon("lk.gif");
      but_pause.setIcon(iconlk);
      String hpack;
      ctools.senddata("255.255.255.255","14");
      mainform.onlinestate=1;
      lab_info.setText("上线");
      but_pause.setText("离开");
      return;
    }

  }

  void but_pause_mouseExited(MouseEvent e)
  {
    but_pause.setBorder(BorderFactory.createEmptyBorder());

  }

  void but_pause_mouseMoved(MouseEvent e)
  {
    but_pause.setBorder(BorderFactory.createRaisedBevelBorder());

  }






}