?? javacs.java
字號:
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;
import javax.swing.event.*;
import java.sql.*;
import java.net.*;
import java.io.*;
class client
{
int port=8000;
static String host;
String result="";
String outstr="";
Vector vec=new Vector();
String line="";
client()
{
}
client(String str)
{
host=str;
}
client(String str,String sql)
{
try
{
host=str;
Socket socket=new Socket(host,port);
final Reader reader=new InputStreamReader(socket.getInputStream());
final BufferedReader reline=new BufferedReader(reader);
PrintWriter toserver=new PrintWriter(socket.getOutputStream());
Thread t=new Thread(){
public void run()
{
char[]buffer=new char[1024];
int char_read;
try
{
while((char_read=reader.read(buffer))!=-1)
{
for(int i=0;i<char_read;i++)
{
result+=buffer[i];
}
}
System.out.println(result);
line=reline.readLine();
while(line!=null)
{
line=reline.readLine();
vec.addElement(line);
}
}
catch(IOException e)
{
JOptionPane.showMessageDialog(null,"數據讀取失敗","錯誤",JOptionPane.ERROR_MESSAGE);
System.out.println(e.getMessage());
}
}
};
t.setPriority(Thread.currentThread().getPriority()+1);
t.start();
outstr=sql;
toserver.print(outstr);
toserver.flush();
// socket.close();
}
catch(Exception e)
{
JOptionPane.showMessageDialog(null,"連接失敗","錯誤",JOptionPane.ERROR_MESSAGE);
System.out.println(e.getMessage());
}
}
public boolean sendsql(String sql)
{
try
{
Socket socket=new Socket(host,port);
final Reader reader=new InputStreamReader(socket.getInputStream());
PrintWriter to_server=new PrintWriter(socket.getOutputStream());
final BufferedReader reline=new BufferedReader(reader);
Thread thread=new Thread(){
public void run()
{
char []buffer=new char[1024];
int char_read;
try
{
while((char_read=reader.read(buffer))!=-1)
{
for(int i=0;i<char_read;i++)
{
result+=buffer[i];
}
System.out.println(result);
}
}
catch(IOException e)
{
JOptionPane.showMessageDialog(null,"數據讀取失敗","錯誤",JOptionPane.ERROR_MESSAGE);
System.out.println(e.getMessage());
}
}
};
thread.setPriority(Thread.currentThread().getPriority()+1);
thread.start();
outstr=sql;
to_server.print(outstr);
to_server.flush();
}
catch(Exception e)
{
JOptionPane.showMessageDialog(null,"數據讀取失敗","錯誤",JOptionPane.ERROR_MESSAGE);
System.out.println(e.getMessage());
return false;
}
return true;
}
public boolean getline(String sql)
{
try
{
Socket socket=new Socket(host,port);
final Reader reader=new InputStreamReader(socket.getInputStream());
final BufferedReader reline=new BufferedReader(reader);
PrintWriter toserver=new PrintWriter(socket.getOutputStream());
Thread t=new Thread(){
public void run()
{
try
{
line=reline.readLine();
while(line!=null)
{
if(line.length()>1)
vec.addElement(line);
line=reline.readLine();
//System.out.println(line);
}
}
catch(IOException e)
{
JOptionPane.showMessageDialog(null,"數據讀取失敗","錯誤",JOptionPane.ERROR_MESSAGE);
System.out.println(e.getMessage());
}
}
};
t.setPriority(Thread.currentThread().getPriority()+1);
t.start();
outstr=sql;
toserver.print(outstr);
toserver.flush();
//socket.close();
}
catch(Exception e)
{
JOptionPane.showMessageDialog(null,"數據讀取失敗","錯誤",JOptionPane.ERROR_MESSAGE);
System.out.println(e.getMessage());
return false;
}
return true;
}
public void sethost(String ho)
{
host=ho;
}
public String getresult()
{
String s=new String(result);
result="";
return s;
}
public Vector getvec()
{
Vector vector=new Vector(vec);
vec.removeAllElements();
return vector;
}
}
class MessageBox
{
MessageBox(String content,String Caption)
{
JOptionPane.showMessageDialog(null,content,Caption,JOptionPane.INFORMATION_MESSAGE);
}
}
class goglevarity
{
static String str="";
static boolean isnull=true;
static int range=1;
static String usename="";
}
class CPassFrame extends JDialog implements ActionListener
{
int i=0;
private boolean pass=false;
private String username="";
private String userpass="";
ImageIcon okimage=new ImageIcon("ct4.gif");
ImageIcon cancelimage=new ImageIcon("ct1.gif");
JLabel CPassName=new JLabel("用戶名：");
JLabel CPassWord=new JLabel("用戶密碼：");
TextField CTextName=new TextField(20);
TextField CTextPass=new TextField(10);
JButton jbtok=new JButton("確定",okimage);
JButton jbtCancel=new JButton("取消",cancelimage);
JPanel panel=new JPanel();
JPanel panel2=new JPanel();
CPassFrame()
{
CPassName.setHorizontalAlignment(JLabel.CENTER);
CPassWord.setHorizontalAlignment(JLabel.CENTER);
CTextPass.setEchoChar('*');
panel.setLayout(new GridLayout(3,2,3,10));
panel.add(CPassName);
panel.add(CTextName);
panel.add(CPassWord);
panel.add(CTextPass);
panel.setSize(200,100);
panel2.add(jbtok);
panel2.add(jbtCancel);
jbtok.addActionListener(this);
jbtCancel.addActionListener(this);
getContentPane().add(panel);
getContentPane().add(panel2,BorderLayout.SOUTH);
setSize(300,150);
setLocation(300,300);
setVisible(true);
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource()==jbtok)
{
username=CTextName.getText();
userpass=CTextPass.getText();
JudegePass();
if(!pass)
{
i++;
}
}
if(i==3)
{
System.exit(0);
}
if(e.getSource()==jbtCancel)
{
System.exit(0);
}
}
public boolean getPass()
{
return pass;
}
public void JudegePass()
{
client cl=new client("saiquan-8e62eee");
cl.sendsql("q"+"01"+"select qx from pass where EmployeeID='"+username+"' and pswo='"+userpass+"'");
try
{
Thread.currentThread().sleep(100);
}
catch(Exception ex)
{
System.out.println(ex.getMessage());
}
String rs=cl.getresult();
if(!rs.equals(""))
{
goglevarity.range=Integer.parseInt(rs.trim());
goglevarity.usename=username;
setVisible(false);
dispose();
StartWnd swnd=new StartWnd();
swnd.setFont(new Font("LucidaTypewriterBold",Font.BOLD,30));
swnd.startwnd();
pass=true;
MainFrame mainframe=new MainFrame();
mainframe.setVisible(true);
swnd.endwnd();
}
else
{
JOptionPane.showMessageDialog(null,"用戶名不存在或密碼錯誤","錯誤",JOptionPane.INFORMATION_MESSAGE);
}
}
}
class BkImage extends JPanel implements ActionListener
{
javax.swing.Timer timer=new javax.swing.Timer(1000,this);
Image image;
ImageIcon icon=new ImageIcon("wasd.gif");
Image im=icon.getImage();
int x=getSize().width;
int i=0;
int y=20;
boolean b=true;
String str="";
Calendar cal=new GregorianCalendar();
int month,day;
public BkImage(String str)
{
image=MygetImage(str).getImage();
month=cal.get(Calendar.MONTH)+1;
day=cal.get(Calendar.DAY_OF_MONTH);
timer.start();
}
protected void paintComponent(Graphics g)
{
super.paintComponent(g);
g.drawImage(image,0,0,getSize().width,getSize().height,this);
if(b)
{
if(month==1&&day<10)
{
str="新年快樂！";
}
else if(month==2&&day<16&&day>13)
{
str="情人節快樂";
}
else if(month==12&&day<28&&day>15)
{
str="圣誕快樂";
}
else
{
str="welcome";
}
g.drawImage(im,x,y-30,this);
g.drawString(str,x-50,y);
x-=8;
if(x<=0)
{
x=getSize().width;
b=false;y+=60;
}
if(y>getSize().height)
{
y=20;
}
}
}
public static ImageIcon MygetImage(String str)
{
ImageIcon imageicon=new ImageIcon(str);
return imageicon;
}
public void actionPerformed(ActionEvent e)
{
if(!b)
{
i++;
if(i>5)
{
i=0;
b=true;
}
}
}
}
class CStatusMessage extends JPanel implements ActionListener
{
JLabel lb1=new JLabel(" 當前操作員：");
JLabel lb=new JLabel(" 使用權限：");
JLabel lb2;
JLabel lb3=new JLabel(" 當前時間：");
String time="";
int i=0;
ImageIcon imic;
javax.swing.Timer timer=new javax.swing.Timer(1000,this);
CStatusMessage()
{
switch(goglevarity.range)
{
case 1:
imic=new ImageIcon("1star.gif");
break;
case 2:
imic=new ImageIcon("2star.gif");
break;
case 3:
imic=new ImageIcon("3star.gif");
break;
case 4:
imic=new ImageIcon("4star.gif");
break;
}
lb1.setText(" 當前操作員："+goglevarity.usename);
lb2=new JLabel(imic);
timer.start();
add(lb1);
add(lb);
add(lb2);
add(lb3);
setLayout(new GridLayout(1,3));
}
public void actionPerformed(ActionEvent e)
{
Calendar calendar=new GregorianCalendar();
time="";
time+=calendar.get(Calendar.HOUR_OF_DAY)+":"+calendar.get(Calendar.MINUTE)+":"+calendar.get(Calendar.SECOND);
lb3.setText(" 當前時間："+time);
}
}
class CToolButton extends JPanel implements ActionListener
{
//String str[]={"SSS","SSS"};
ImageIcon imageicon1=new ImageIcon("ruku.png");
ImageIcon imageicon2=new ImageIcon("jieye.gif");
ImageIcon imageicon3=new ImageIcon("guihuan.png");
ImageIcon imageicon4=new ImageIcon("xinxi.gif");
ImageIcon imageicon5=new ImageIcon("xitong.gif");
JButton jbt1=new JButton("新書入庫",imageicon1);
JButton jbt2=new JButton("圖書借閱",imageicon2);
JButton jbt3=new JButton("圖書歸還",imageicon3);
JButton jbt4=new JButton("信息管理",imageicon4);
JButton jbt5=new JButton("系統管理",imageicon5);
CToolButton()
{
add(jbt1);
add(jbt2);
add(jbt3);
add(jbt4);
add(jbt5);
jbt1.addActionListener(this);
jbt4.addActionListener(this);
jbt2.addActionListener(this);
jbt3.addActionListener(this);
jbt5.addActionListener(this);
setLayout(new GridLayout(1,5,0,3));
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource()==jbt1)
{
CStoreDlg csdg=new CStoreDlg();
}
if(e.getSource()==jbt4)
{
CInfoOperation ciop=new CInfoOperation();
}
if(e.getSource()==jbt2)
{
CBorrow cbo=new CBorrow();
}
if(e.getSource()==jbt3)
{
CReturn crt=new CReturn();
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -