resetpass.java

一个 用java实现的 生信息管理系统,其中 数据库是用Oracle

//修改密码界面类

package txl.student.reset ;

import java.awt.* ;
import java.awt.event.* ;
import javax.swing.* ;
import javax.swing.JOptionPane ;
import java.sql.* ;
import txl.student.user.Users ;

public class ResetPass extends JPanel implements ActionListener
 {
	 private JLabel lab10, lab20, lab30, lab40 ;
	 private JLabel lab21, lab31, lab41 ;
	 private JTextField text1 ;
	 private JPasswordField text2, text3, text4 ;
	 private JButton ok, reset, reButton ;
	 private Box baseBox, box1, box2, box3 ;
	 private JPanel pButton, pCenter;
	 private Users user = null ;

	 public void setUsers(Users user)
	  {
		  this.user = user ;
	  }
	 public Users getUsers()
	  {
		  return this.user ;
	  }

	 public JTextField getText1()
	  {
		  return this.text1 ;
	  }
     public JTextField getText2()
	  {
		  return this.text2 ;
	  }
	 public JTextField getText3()
	  {
		  return this.text3 ;
	  }
	 public JTextField getText4()
	  {
		  return this.text4 ;
	  }

	 public ResetPass()
	  {
	    lab10 = new JLabel("用户名：") ;
		lab20 = new JLabel("原密码：") ;
		lab30 = new JLabel("新密码：") ;
		lab40 = new JLabel("确认密码：") ;
	    lab21 = new JLabel("输入原密码！") ;
		lab31 = new JLabel("输入新密码！") ;
		lab41 = new JLabel("新密码确认！") ;
		text1 = new JTextField(12) ;
		text1.setEnabled(false) ;
		text2 = new JPasswordField(12) ;
		text3 = new JPasswordField(12) ;
		text4 = new JPasswordField(12) ;
		text2.setEchoChar('*') ;
		text3.setEchoChar('*') ;
		text4.setEchoChar('*') ;
		ok = new JButton("确认") ;
		reset = new JButton("取消") ;
		reButton = new JButton("返回") ;
		ok.addActionListener(this) ;
		reset.addActionListener(this) ;
		reButton.addActionListener(this) ;
		pButton = new JPanel() ;
		pCenter = new JPanel() ;
		pButton.add(ok) ;
		pButton.add(reButton) ;
		pButton.add(reset) ;

		box1 = Box.createVerticalBox() ;
		box1.add(Box.createVerticalStrut(26)) ;
		box1.add(lab10) ;
		box1.add(Box.createVerticalStrut(8)) ;
		box1.add(lab20) ;
		box1.add(Box.createVerticalStrut(8)) ;
		box1.add(lab30) ;
		box1.add(Box.createVerticalStrut(8)) ;
		box1.add(lab40) ;

		box2 = Box.createVerticalBox() ;
		box2.add(Box.createVerticalStrut(26)) ;
		box2.add(text1) ;
		box2.add(Box.createVerticalStrut(8)) ;
		box2.add(text2) ;
		box2.add(Box.createVerticalStrut(8)) ;
		box2.add(text3) ;
		box2.add(Box.createVerticalStrut(8)) ;
		box2.add(text4) ;

		box3 = Box.createVerticalBox() ;
		box3.add(Box.createVerticalStrut(26)) ;
		box3.add(new JLabel("  ")) ;
		box3.add(Box.createVerticalStrut(8)) ;
		box3.add(lab21) ;
		box3.add(Box.createVerticalStrut(8)) ;
		box3.add(lab31) ;
		box3.add(Box.createVerticalStrut(8)) ;
		box3.add(lab41) ;

		baseBox = Box.createHorizontalBox() ;
		baseBox.add(box1) ;
		baseBox.add(Box.createHorizontalStrut(10)) ;
		baseBox.add(box2) ;
		baseBox.add(Box.createHorizontalStrut(10)) ;
		baseBox.add(box3) ;

		pCenter.add(baseBox) ;
		this.setLayout(new BorderLayout()) ;
	    this.add(pCenter, BorderLayout.CENTER) ;
		this.add(pButton, BorderLayout.SOUTH) ;
		this.validate() ;

	  }
	 public void actionPerformed(ActionEvent e)
	  {
		if(e.getSource()==ok) //确认修改
		 {
		   String userName = this.getUsers().getUserName() ;
		   String userPass = this.getUsers().getUserPass() ;
		   String uPass2 = text2.getText().trim() ;
		   String uPass3 = text3.getText().trim() ;
		   String uPass4 = text4.getText().trim() ;
		   if(uPass2!=null||uPass2.length()!=0)
		    {
				if(uPass3==null||uPass3.length()==0)
				 {
				   lab31.setText("请输入新密码！") ;
				 }
				else if(uPass3.equals(uPass4))
				 {
				   if(userPass.equals(uPass2)) //修改密码成功
				    {	//一确认对话框
						int n = JOptionPane.showConfirmDialog(this,"确认要修改密码吗？", "",JOptionPane.YES_NO_OPTION) ;
						if(n==JOptionPane.YES_OPTION)
						 {
							try
							 {
					  			Class.forName("oracle.jdbc.driver.OracleDriver");
					  			Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:TXL2008","scott","txl2008");
					  			Statement stmt = conn.createStatement( );
					  			String sql = "update users set user_PassWord='"+uPass3+"' where user_name='"+userName+"'" ;
					  			//ResultSet rset =
					  			stmt.executeUpdate(sql);

								//rset.close() ;
								stmt.close() ;
								conn.close() ;
					    	 }
							catch(Exception ex)
							 {  }
							// 警告对话框
							JOptionPane.showMessageDialog(this,"密码修改成功 ！\n下次以新密码登陆","",JOptionPane.WARNING_MESSAGE) ;
							this.setVisible(false) ;

					    }//确认修改密码
					   else if(n==JOptionPane.NO_OPTION)
					    {
							//不修改密码
							this.setVisible(false) ;
						}
				     }
                    else
				     {   //两次新密码不同
						text2.setText("") ;
						text3.setText("") ;
						text4.setText("") ;
						lab21.setText("原密码错误！") ;
					 }
				 }
			   else
			    {
					text2.setText("") ;
					text3.setText("") ;
					text4.setText("") ;
					lab41.setText("两次的密码不同！") ;
				}

			}
		   else
		    {
				lab21.setText("请先输入原密码！！") ;
			    text3.setText("") ;
		   		text4.setText("") ;
		    }
		 }//ok
		else if(e.getSource()==reButton) // 返回
		 {
		   this.setVisible(false) ;
		 }
		else if(e.getSource()==reset) //取消
		 {
			 text2.setText("") ;
			 text3.setText("") ;
			 text4.setText("") ;
		 }
	  }//actionPerformed(ActionEvent e)
 }