userupdate.java

软件工程课程设计

package Manager;

import javax.swing.*;
import com.borland.jbcl.layout.*;
import java.awt.event.*;
import java.sql.*;

public class userUpdate extends JFrame {
	/**
	 * <p>Title: 操作员修改</p>
	 * <p>Description:操作员更新密码 </p>
	 * <p>Copyright: Copyright (c) 2008</p>
	 * <p>Company: 南华大学计算机系</p>
	 * @author 王云飞
	 * @version 1.0
	 */
	private static final long serialVersionUID = 1L;
ResultSet rs;    //定义结果集
  private DBManager db =new DBManager();//定义数据库操作对象
  XYLayout xYLayout1 = new XYLayout();
  JPasswordField jPasswordnew = new JPasswordField();
  JLabel jLabel2 = new JLabel();
  JButton jButtonCancel = new JButton();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JTextField jTextFieldusername = new JTextField();
  JButton jButtonOK = new JButton();
  JPasswordField jPasswordold = new JPasswordField();
  JPasswordField jPasswordnewconfirm = new JPasswordField();
  JLabel jLabel4 = new JLabel();

  public userUpdate() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  public static void main(String[] args) {
     new userUpdate();
  }
  private void jbInit() throws Exception {
    jPasswordold.setText("");
    jButtonOK.setFont(new java.awt.Font("Dialog", 0, 16));
    jButtonOK.addMouseListener(new userUpdate_jButtonOK_mouseAdapter(this));
    jButtonOK.setText("更新");
     jTextFieldusername.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextFieldusername.setText("");
    jLabel3.setText("新密码");
    jLabel3.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel1.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel1.setText("用户名");
    jButtonCancel.setFont(new java.awt.Font("Dialog", 0, 16));
     jButtonCancel.setText("退出");
    jButtonCancel.addMouseListener(new userUpdate_jButtonCancel_mouseAdapter(this));
    jLabel2.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel2.setText("原密码");
    jPasswordnew.setText("");
    jPasswordnew.setFont(new java.awt.Font("Dialog", 0, 16));
    xYLayout1.setWidth(452);
    xYLayout1.setHeight(326);
    this.getContentPane().setLayout(xYLayout1);
    jPasswordnewconfirm.setFont(new java.awt.Font("Dialog", 0, 16));
    jPasswordnewconfirm.setText("");
    jLabel4.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel4.setText("确认新密码");
    this.setTitle("修改密码");
    this.getContentPane().add(jTextFieldusername, new XYConstraints(257, 31, 111, 38));
    this.getContentPane().add(jPasswordnew, new XYConstraints(257, 147, 114, 31));
    this.getContentPane().add(jLabel2, new XYConstraints(107, 98, 80, 34));
    this.getContentPane().add(jLabel1, new XYConstraints(106, 32, 99, 34));
    this.getContentPane().add(jPasswordold,  new XYConstraints(258, 94, 111, 34));
    this.getContentPane().add(jPasswordnewconfirm,  new XYConstraints(255, 205, 119, 31));
    this.getContentPane().add(jButtonOK, new XYConstraints(125, 268, 91, 31));
    this.getContentPane().add(jButtonCancel, new XYConstraints(243, 269, 94, 30));
    this.getContentPane().add(jLabel3, new XYConstraints(105, 154, 62, 30));
    this.getContentPane().add(jLabel4, new XYConstraints(102, 202, 100, 30));
  }

  void jButtonCancel_mouseClicked(MouseEvent e) {
        this.dispose();
  }

  void jButtonOK_mouseClicked(MouseEvent e) {
         String strSQL ;
         //校验两次输入的新密码是否一致
         if(!jPasswordnewconfirm.getText().trim().equals(jPasswordnew.getText().trim()))
                 {JOptionPane.showMessageDialog(null,"两次输入的新密码不一致！");
                  return;
            }
         //生成sql语句，用户名和密码从相应文本框取得
         strSQL="select * from user where Username='"+jTextFieldusername.getText().trim() +"' and Password='"+jPasswordold.getText().trim()+"'";
         //由DBManager对象执行查询过程
         rs=db.getResult(strSQL) ;
         //判断结果集是否为空
          boolean  isexist=false;
           try {
                   isexist = rs.first();
                   }
           catch (SQLException ex1) {
              JOptionPane.showMessageDialog(null,ex1.toString() );
                   }
           //若为空，则说明用户名不存在或密码不正确，弹出警告信息，并设定主窗体权限为无
             if(!isexist)
                 {JOptionPane.showMessageDialog(null,"用户名不存在，或原密码不正确！");
                    return;
                        }
           //若不为空，则说明用户名存在且密码正确，执行更新过程
             else
               {
                  strSQL="update user set Password='"+jPasswordnew.getText().trim()+"' where Username='"+jTextFieldusername.getText().trim() +"'";
                   if(db.executeSql(strSQL))
                      {JOptionPane.showMessageDialog(null,"成功更新！"); 
                      jTextFieldusername.setText("");}
                   else
                      { JOptionPane.showMessageDialog(null," 更新失败，请重新操作！");      }
                }
  }
}
class userUpdate_jButtonCancel_mouseAdapter extends java.awt.event.MouseAdapter {
  userUpdate adaptee;

  userUpdate_jButtonCancel_mouseAdapter(userUpdate adaptee) {
    this.adaptee = adaptee;
  }
  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonCancel_mouseClicked(e);
  }
}

class userUpdate_jButtonOK_mouseAdapter extends java.awt.event.MouseAdapter {
  userUpdate adaptee;

  userUpdate_jButtonOK_mouseAdapter(userUpdate adaptee) {
    this.adaptee = adaptee;
  }
  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonOK_mouseClicked(e);
  }
}