一个java的网络小程序，真是搞不明白。。郁闷中希望高手帮个忙。

我一个网络程序，主要是成绩查询，一个是精确查询一个是模糊查询。
模糊查询的连接的时候有点问题。郁闷啊。
望哪位高手能帮小弟解决一下。
服务器端
import java.net.*;
import java.io.*;
import java.awt.*;
import java.awt.event.*;
public class MyServer
{
static final int PORT=1119;
static final int MAX=5;
public static void main(String[] args) throws IOException,SocketException
{
ServerService Server=new ServerService(PORT,MAX);
}
}
class ServerService extends Frame implements Runnable
{
ServerSocket jianting;
TextArea state;
Thread thread;
Socket lianjie;
boolean temp1,temp2;
String a="0";
String[] xinxi=new String[3];
String[] xinxi1=new String[3];
String[][] ziliao={
    {"25","shuai","java","98"},
    {"26","billy","c","66"},
    {"27","xiaochong","java","88"},
    {"28","hacker","c","75"}
};
    boolean[] linshi=new boolean[4];
public ServerService(int port,int max)
{
try
{
setTitle("·þÎñÆ÷¿ªÊ¼¼àÌý");
jianting=new ServerSocket(port,max);
setLayout(new BorderLayout());
state=new TextArea("Server starting...\n",20,50);
this.addWindowListener(new WinAdpt());
add("Center",state);
setResizable(false);   //ÉèÖÃ´°¿Ú´óÐ¡²»¿É±ä
pack(); //°´Ê×Ñ¡³ß´ç·ÅÖÃ¸Ã´°¿ÚµÄ×Ó×é¼þ¡£
show();
while(true)
{
lianjie=jianting.accept();
InetAddress ClientAddress=lianjie.getInetAddress();
state.appendText("¿Í»§¶ËÁ¬½ÓÀ´×Ô:"+ClientAddress.toString()+"\n");
thread=new Thread(this);
thread.start();
//state.append("µ±Ç°¿Í»§¶Ë¹Ø±Õ!"+"\n");
}
}catch(IOException e){}
}
public void run()
{

try
{
DataInputStream shuruliu=new DataInputStream(new BufferedInputStream(lianjie.getInputStream()));
PrintStream shuchuliu=new PrintStream(new BufferedOutputStream(lianjie.getOutputStream()));
while(true)
  {
     String jie=shuruliu.readLine();
     if(jie.equals("###"))
     jqchaxun();
     else if(jie.equals("***"))
     mhchaxun();
     else if(jie.equals("##"))
     break;
          }
          state.append("µ±Ç°¿Í»§¶Ë¹Ø±Õ!"+"\n");
          thread.destroy();
        }
catch(Exception e){}

}
public void jqchaxun()
{
   try
   {
      DataInputStream shuruliu1=new DataInputStream(new BufferedInputStream(lianjie.getInputStream()));
      PrintStream shuchuliu1=new PrintStream(new BufferedOutputStream(lianjie.getOutputStream()));

    for(int i=0;i<3;i++)
{
String jie=shuruliu1.readLine();
xinxi[i]=jie;
}
      boolean temp=true;
  for(int k=0,j=0;k<4;k++)
  if(xinxi[0].equals(ziliao[k][j])&&xinxi[1].equals(ziliao[k][j+1])&&xinxi[2].equals(ziliao[k][j+2]))
               {
                temp=false;
                shuchuliu1.println("Sno:"+ziliao[k][j]);
                shuchuliu1.flush();
                shuchuliu1.println("Name:"+ziliao[k][j+1]);
                shuchuliu1.flush();
                shuchuliu1.println("Cource:"+ziliao[k][j+2]);
                shuchuliu1.flush();
                shuchuliu1.println("Performance:"+ziliao[k][j+3]);
                shuchuliu1.flush();
                break;
               }
               if(temp)
               {
                shuchuliu1.println("#");
                shuchuliu1.flush();
               }

   }
   catch(Exception e){}

}
public void mhchaxun()
{
try
{
DataInputStream shuruliu2=new DataInputStream(new BufferedInputStream(lianjie.getInputStream()));
     PrintStream shuchuliu2=new PrintStream(new BufferedOutputStream(lianjie.getOutputStream()));
     for(int i=0;i<3;i++)
{
String jie=shuruliu2.readLine();
xinxi1[i]=jie;
}
for(int n=0;n<4;n++)
linshi[n]=false;
for(int m=0;m<4;m++)
//for(int i=0;i<1;i++)
for(int j=0;j<xinxi1[0].length();j++)
{
char linshi1=xinxi1[0].charAt(j);
if(ziliao[m][0].indexOf((int)linshi1)!=-1&&!linshi[m])
{
  linshi[m]=true;
  break;
}

}
for(int m=0;m<4;m++)
// for(int i=0;i<1;i++)
for(int j=0;j<xinxi1[1].length();j++)
{
char linshi1=xinxi1[1].charAt(j);
if(ziliao[m][1].indexOf((int)linshi1)!=-1&&!linshi[m])
{
  linshi[m]=true;
  break;
}

}
for(int m=0;m<4;m++)
// for(int i=0;i<1;i++)
for(int j=0;j<xinxi1[2].length();j++)
{
char linshi1=xinxi1[2].charAt(j);
if(ziliao[m][2].indexOf((int)linshi1)!=-1&&!linshi[m])
{
  linshi[m]=true;
  break;
}

}
for(int i=0,j=0,k=0;i<4;i++,k++)
{
if(linshi[i])
{
shuchuliu2.println("Sno:"+ziliao[k][j]);
                    shuchuliu2.flush();
                    shuchuliu2.println("Name:"+ziliao[k][j+1]);
                    shuchuliu2.flush();
                    shuchuliu2.println("Cource:"+ziliao[k][j+2]);
                    shuchuliu2.flush();
                    shuchuliu2.println("Performance:"+ziliao[k][j+3]);
                    shuchuliu2.flush();
}
}

}
catch(Exception e){}
}}
class WinAdpt extends WindowAdapter  //¹Ø±Õ¹¦ÄÜ
{
public void windowClosing(WindowEvent e)
{

((Frame)e.getWindow()).dispose();
System.exit(0);
}
}

解决方案 »

免费领取超大流量手机卡，每月29元包185G流量+100分钟通话, 中国电信官方发货

客户端
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.net.*;
public class MSystem extends Applet implements ActionListener
{
Label label1,label2,label3,label4,label5,label;
TextField textfield1,textfield2,textfield3,textfield4,textfield5;
Button button1,button2,button3,button4,button5;
TextArea xianshi;
String host,xuehao,name,kecheng;
String[] sender=new String[3];
int port;
Connect socket;
JOptionPane Dialog;
   public void init()
{
label=new Label("====================»¶ Ó µÇ Â¼ Ñ§ Éú ³É ¼¨ ²é Ñ¯ Ïµ Í³====================");
label1=new Label("·þÎñÆ÷IP/Ö÷»úÃû:");
label2=new Label("¶Ë¿Ú:");
label3=new Label("Ñ§ºÅ:");
Dialog=new JOptionPane();
label3.setVisible(false);
label4=new Label("ÐÕÃû");
label4.setVisible(false);
label5=new Label("¿Î³ÌÃû:");
label5.setVisible(false);
textfield1=new TextField(9);
textfield2=new TextField(4);
textfield3=new TextField(9);
textfield3.setVisible(false);
textfield4=new TextField(5);
textfield4.setVisible(false);
textfield5=new TextField(6);
textfield5.setVisible(false);
button1=new Button("Á¬½Ó");
button2=new Button("¶Ï¿ª");
button3=new Button("¾«È·²éÑ¯");
button3.setVisible(false);
button4=new Button("Ä£ºý²éÑ¯");
button4.setVisible(false);
button5=new Button("Çå¿Õ");
button5.setVisible(false);
xianshi=new TextArea(10,40);
xianshi.setVisible(false);
//xianshi.enable(false);
//this.setBackground();
add(label);
add(label1);
add(textfield1);
add(label2);
add(textfield2);
add(button1);
add(button2);
add(label3);
add(textfield3);
add(label4);
add(textfield4);
add(label5);
add(textfield5);
add(button3);
add(button4);
add(button5);
add(xianshi);
button1.addActionListener(this);
button2.addActionListener(this);
button3.addActionListener(this);
button4.addActionListener(this);
button5.addActionListener(this);
}
public void destroy()
{
   socket.closeliu();
}
public void actionPerformed(ActionEvent e)
{
    if(e.getSource()==button1)
    {
       host=textfield1.getText();
       port=Integer.parseInt(textfield2.getText());
       socket=new Connect(host,port);
       if(socket.panduan)
       Dialog.showMessageDialog(null,"ºÙºÙ!Á¬½Ó·þÎñÆ÷³É¹¦!");
       //if(socket.panduan)
       label3.setVisible(true);
       label4.setVisible(true);
       label5.setVisible(true);
       textfield3.setVisible(true);
       textfield4.setVisible(true);
       textfield5.setVisible(true);
       button3.setVisible(true);
       button4.setVisible(true);
       button5.setVisible(true);
       xianshi.setVisible(true);

      // }
     }
    else if(e.getSource()==button2)
    {
     socket.closeliu();
     textfield1.setText("");
     textfield2.setText("");
     label3.setVisible(false);
     label4.setVisible(false);
     label5.setVisible(false);
     textfield3.setText("");
     textfield3.setVisible(false);
     textfield4.setText("");
     textfield4.setVisible(false);
     textfield5.setText("");
     textfield5.setVisible(false);
     button3.setVisible(false);
     button4.setVisible(false);
     button5.setVisible(false);
     xianshi.setText("");
     xianshi.setVisible(false);
    }
    else if(e.getSource()==button3)
    {
     jqchaxun();
    }
    else if(e.getSource()==button4)
    {
        mhchaxun();
    }
    else if(e.getSource()==button5)
    {
     xianshi.setText("");
     textfield3.setText("");
     textfield4.setText("");
     textfield5.setText("");
    }
}
public void jqchaxun()
{
    xuehao=textfield3.getText();
     sender[0]=xuehao;
     name=textfield4.getText();
     sender[1]=name;
     kecheng=textfield5.getText();
     sender[2]=kecheng;
     socket.send2();
     socket.send(sender);
     socket.receive();
     if(socket.temp.equals("#"))
     {
     xianshi.setText("");
         xianshi.append("¶Ô²»Æð!Êý¾Ý¿âÖÐÃ»ÓÐ¸ÃÑ§Éú¼ÇÂ¼!"+"\n");
     }
     else
     {
     xianshi.setText("¸ÃÑ§Éú³É¼¨ÈçÏÂ:\n");
     for(int i=0;i<4;i++)
     xianshi.append(socket.shuzu[i]+"\n");
     }
}
public void mhchaxun()
{
    xuehao=textfield3.getText();
     sender[0]=xuehao;
     name=textfield4.getText();
     sender[1]=name;
     kecheng=textfield5.getText();
     sender[2]=kecheng;
     socket.send3();
     socket.send1(sender);
     socket.receive1();
     xianshi.setText("");
     xianshi.append("¸ÃÑ§Éú³É¼¨ÈçÏÂ:\n");
     for(int i=0;i<16;i++)
     xianshi.append(socket.shuzu1[i]+"\n");
}}
连接
import java.net.*;
import java.io.*;
import javax.swing.*;
public class Connect
{
Socket ClientSocket;
PrintStream shuchuliu,scl;
DataInputStream shuruliu,srl;
String jieshou,xh,mingzi,course,jieshou1;
JOptionPane Dialog=new JOptionPane();
boolean panduan=true;
String[] shuzu=new String[4];
String[] shuzu1=new String[16];
String temp;
boolean temp1;
public Connect(String host,int duankou)
{
try
{
ClientSocket=new Socket(host,duankou);
shuchuliu=new PrintStream(new BufferedOutputStream(ClientSocket.getOutputStream()));
shuruliu=new DataInputStream(new BufferedInputStream(ClientSocket.getInputStream()));
scl=new PrintStream(new BufferedOutputStream(ClientSocket.getOutputStream()));
        srl=new DataInputStream(new BufferedInputStream(ClientSocket.getInputStream()));
panduan=ClientSocket.isConnected();
//if(ClientSocket.isConnected())
//Dialog.showMessageDialog(null,"ºÙºÙ!Á¬½Ó·þÎñÆ÷³É¹¦!");

}
catch(Exception e){}
}
    public void receive()
{
    try
    {
        temp="";
    for(int i=0;i<4;i++)
   {
jieshou=shuruliu.readLine();
if(jieshou.equals("#"))
{
temp="#";
break;
}
    shuzu[i]=jieshou;
       }
   }catch(IOException e){}
}
    public void receive1()
    {
     try
     {
     for(int j=0;j<16;j++)
     shuzu1[j]="";
     for(int i=0;i<16;i++)
     {
     jieshou1=srl.readLine();
     shuzu1[i]=jieshou1;
     }
     }
     catch(IOException e){}
    }
public void send(String aa[])
{
try
{
for(int i=0;i<3;i++)
{
     shuchuliu.println(aa[i]);
             shuchuliu.flush();

    }
}
catch(Exception e){}
}
public void send1(String b[])
{
      try
      {

    for(int i=0;i<3;i++)
    {
       scl.println(b[i]);
       scl.flush();
    }
      }
  catch(Exception e){}
}
public void send2()
{
    shuchuliu.println("###");
    shuchuliu.flush();
}
public void send3()
{
scl.println("***");
    scl.flush();
}
public void closeliu()
{
try
{
      scl.println("##");
      scl.flush();
      scl.close();
      srl.close();
  shuchuliu.close();
  shuruliu.close();
  ClientSocket.close();
}
catch(Exception e){}
}
}
applet网页
<html>
<body>
<title>::Ñ§Éú³É¼¨²éÑ¯ÏµÍ³::</title>
<applet code="MSystem.class" height="400" width="400"></applet>
</body>
</html>