xiugai.java

java开发的酒店管理系统

import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import javax.swing.*;
import javax.imageio.*;
import java.io.*;
import javax.swing.JLabel;
import java.awt.Window;
import java.sql.*;
import javax.swing.event.*;
import java.awt.MediaTracker;
import javax.swing.border.*;


class xiuGai extends JFrame
{
	public xiuGai(String name)
	{
		Toolkit kit =Toolkit.getDefaultToolkit();
		Dimension screenSize=kit.getScreenSize();
		int screenWidth=screenSize.width;
		int screenHeight=screenSize.height;
		setLocation((screenWidth-DEFA_W)/2,(screenHeight-DEFA_H)/2);  //设置窗口位置,位于屏幕中间
		setTitle("用户信息——修改密码");
		setSize(DEFA_W,DEFA_H);
		setResizable(false);  //不允许用户改变窗口大小
		xiuGaiPane XGP=new xiuGaiPane(name);
		add(XGP);
	}
	
	private final int DEFA_W=320;		//设置框架的宽度
	private final int DEFA_H=260;		//设置框架的高度
}


class xiuGaiPane extends JPanel
{
	public xiuGaiPane(String name)
	{
		USERNAME=name;
		setLayout(null);
		setBackground(new Color(153,204,255));
		readImage();
		xiangMu();
		anNiu();
	}
	

	public void connDBQ() throws SQLException
	{
		try
		{
			Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
		}
		catch(ClassNotFoundException e){}
		String URL="jdbc:odbc:driver={Microsoft Access Driver (*.mdb)};DBQ=mdb.mdb";
		conn=DriverManager.getConnection(URL);
		stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
		rs=stmt.executeQuery("select * from user where name like '"+USERNAME+"'");
  }
  
  
  public void getDateBase()
  {
  	int i=0;
  	int j=0;
  	int k=0;
  	char[] OLDPSWD;
  	char[] XMM;
  	char[] XMMOK;
  	USERNAME=(String)yongHuName.getText().trim();
  	OLDPSWD=yuanMiMa.getPassword();
  	while(i<OLDPSWD.length)
  	{
  		OLDPASSWORD=OLDPASSWORD+OLDPSWD[i];
  		i=i+1;
  	}
  	OLDPASSWORD=OLDPASSWORD.substring(1);
  	
  	XMM=xinMiMa.getPassword();
  	while(j<XMM.length)
  	{
  		PASSWORD=PASSWORD+XMM[j];
  		j=j+1;
  	}
  	PASSWORD=PASSWORD.substring(1);
  	
  	XMMOK=xinMiMaOk.getPassword();
  	while(k<XMMOK.length)
  	{
  		PASSWORDOK=PASSWORDOK+XMMOK[k];
  		k=k+1;
  	}
  	PASSWORDOK=PASSWORDOK.substring(1);
  }
  
	
	public void paintComponent(Graphics g)
	{
		super.paintComponent(g);
		Graphics2D g2=(Graphics2D)g;
		g2.drawImage(img,0,0,null);
		Font biaoTi=new Font("Dialog",Font.BOLD,24);
		Font neiRong=new Font("Dialog",Font.PLAIN,15);
		Font xiao=new Font("Dialog",Font.PLAIN,12);
		g2.setFont(biaoTi);
		g2.setPaint(new Color(153,51,205));
		g2.drawString("用户信息管理---修改密码",25,40);
		g2.setPaint(new Color(255,153,0));
		g2.draw(new Line2D.Double(20,50,300,50));
		g2.draw(new Line2D.Double(20,53,300,53));
		g2.setFont(neiRong);
		g2.setPaint(new Color(153,51,205));
		g2.drawString("用  户  名：",25,80);
		g2.drawString("密       码：",25,110);
		g2.drawString("新  密  码：",25,140);
		g2.drawString("确认密码：",25,170);
	}
	
	
	private void readImage()
	{
		try
		{
			img=ImageIO.read(new File("xiugai.jpg"));
		}
		catch(IOException e)
		{
			try
			{
				img=ImageIO.read(new File("img\\xiugai.jpg"));
			}
			catch(IOException ee){}
		}
	}
	
	private void xiangMu()
	{
		yongHuName=new JTextField();
		yuanMiMa=new JPasswordField(12);
		xinMiMa=new JPasswordField(null,12);
		xinMiMaOk=new JPasswordField(null,12);
		add(yongHuName);
		add(yuanMiMa);
		add(xinMiMa);
		add(xinMiMaOk);
		
		yongHuName.setBounds(100,65,160,22);
		yuanMiMa.setBounds(100,95,160,22);
		xinMiMa.setBounds(100,125,160,22);
		xinMiMaOk.setBounds(100,155,160,22);
		yongHuName.setText(USERNAME);
	}
	
	private void anNiu()
	{
		JButton XG=new JButton("修改");
		JButton FH=new JButton("返回");
		add(XG);
		add(FH);
		XG.setBounds(170,190,60,30);
		FH.setBounds(240,190,60,30);
		ANXGAction ANXGA=new ANXGAction();
		ANFHAction ANFHA=new ANFHAction();
		XG.addActionListener(ANXGA);
		FH.addActionListener(ANFHA);
	}
	
	
	private class ANXGAction implements ActionListener
	{
		public void actionPerformed(ActionEvent Event)
		{
			String pswdYanZheng=null;
	  	getDateBase();
	  	try
	  	{
	  		connDBQ();
	  	}
	  	catch(SQLException e){}
	  	if(USERNAME.length()==0)
	  		{
	  			JOptionPane.showMessageDialog(null, "请输入用户名", "出错了", JOptionPane.ERROR_MESSAGE);
	  			PASSWORD="#";
	  			PASSWORDOK="#";
	  			OLDPASSWORD="#";
	  			getDateBase();
	  		}
	  	if(OLDPASSWORD.length()==0)
	  	{
	  		JOptionPane.showMessageDialog(null, "请输入原来密码", "出错了", JOptionPane.ERROR_MESSAGE);
	  		PASSWORD="#";
	  		PASSWORDOK="#";
	  		OLDPASSWORD="#";
	  		getDateBase();
	  	}
	  	if(PASSWORD.length()==0)
	  		{
	  			JOptionPane.showMessageDialog(null, "请输入新密码", "出错了", JOptionPane.ERROR_MESSAGE);
	  			PASSWORD="#";
	  			PASSWORDOK="#";
	  			OLDPASSWORD="#";
	  			getDateBase();
	  		}
	  	if(PASSWORDOK.length()==0)
	  	{
	  		JOptionPane.showMessageDialog(null, "请输入确认密码", "出错了", JOptionPane.ERROR_MESSAGE);
	  		PASSWORD="#";
	  		PASSWORDOK="#";
	  		OLDPASSWORD="#";
	  		getDateBase();
	  	}
	  	if(!PASSWORD.equals(PASSWORDOK))
	  	{
	  		JOptionPane.showMessageDialog(null, "两次输入的密码不一致，请重输", "出错了", JOptionPane.ERROR_MESSAGE);
	  		PASSWORD="#";
	  		PASSWORDOK="#";
	  		OLDPASSWORD="#";
	  		getDateBase();
	  	}
	  	
	  	if(USERNAME.length()!=0 && OLDPASSWORD.length()!=0 && PASSWORD.length()!=0 && PASSWORDOK.length()!=0 && PASSWORD.equals(PASSWORDOK))
	  	{
	  		try
	  		{
	  			if(rs.next())
	  			{
	  				rs.beforeFirst();
	  				while(rs.next())
	  				{
	  					pswdYanZheng=rs.getString("password");
	  					if(pswdYanZheng.equals(OLDPASSWORD))
	  					{
	  						String pa=PASSWORDOK;
	  						stmt.executeUpdate("update user set password='"+PASSWORD+"' where name like '"+USERNAME+"'" );
	  						PASSWORDOK="#";
	  						OLDPASSWORD="#";
	  						PASSWORD="#";
	  						getDateBase();
	  						xiuGaiOk XGOKF=new xiuGaiOk(USERNAME,pa);
								XGOKF.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
								XGOKF.setVisible(true);
	  					}
	  					else
	  					{
	  						PASSWORD="#";
	  						OLDPASSWORD="#";
	  						PASSWORDOK="#";
	  						getDateBase();
	  						JOptionPane.showMessageDialog(null, "密码错误，请重新输入", "出错了", JOptionPane.ERROR_MESSAGE);
	  					}
	  				}
	  			}
	  			else
	  				JOptionPane.showMessageDialog(null, "没有此用户名，请检查输入是否正确", "出错了", JOptionPane.ERROR_MESSAGE);
	  				PASSWORD="#";
	  				PASSWORDOK="#";
	  				OLDPASSWORD="#";
	  		}
	  		catch(SQLException e){}
			}
			PASSWORD="#";
	  	PASSWORDOK="#";
	  	OLDPASSWORD="#";
		}
	}
	
	private class ANFHAction implements ActionListener
	{
		public void actionPerformed(ActionEvent Event)
		{
			
		}
	}
	
	private Image img;
	
	
	private String USERNAME;
	private String PASSWORD="#";
	private String PASSWORDOK="#";
	private String OLDPASSWORD="#";
	
	
	JTextField yongHuName;
	JPasswordField yuanMiMa;
	JPasswordField xinMiMa;
	JPasswordField xinMiMaOk;
	
	private Connection conn=null;
	private Statement stmt=null;
	private ResultSet rs=null;
}