logindialog.java~1~

来自「一个网吧管理系统程序」· JAVA~1~ 代码 · 共 102 行

package bar;

import java.awt.*;
import javax.swing.*;
import java.sql.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2006</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class loginDialog extends JDialog {
  JPanel panel1 = new JPanel();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JTextField jTextField1 = new JTextField();
  JPasswordField jPasswordField1 = new JPasswordField();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();

  public loginDialog(Frame frame, String title, boolean modal) {
    super(frame, title, modal);
    try {
      jbInit();
      pack();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }

  public loginDialog() {
    this(null, "", false);
  }
  private void jbInit() throws Exception {
    panel1.setLayout(null);
    jLabel1.setFont(new java.awt.Font("Serif", 1, 20));
    jLabel1.setForeground(Color.blue);
    jLabel1.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel1.setText("欢迎查询，请输入卡号、密码");
    jLabel1.setBounds(new Rectangle(13, 17, 323, 68));
    jLabel2.setFont(new java.awt.Font("Serif", 1, 15));
    jLabel2.setText("卡号：");
    jLabel2.setBounds(new Rectangle(35, 106, 89, 32));
    jLabel3.setFont(new java.awt.Font("Serif", 1, 15));
    jLabel3.setText("密码：");
    jLabel3.setBounds(new Rectangle(31, 152, 81, 33));
    jTextField1.setText("");
    jTextField1.setBounds(new Rectangle(98, 100, 174, 37));
    jPasswordField1.setText("");
    jPasswordField1.setBounds(new Rectangle(99, 147, 173, 39));
    jButton1.setBounds(new Rectangle(55, 231, 99, 38));
    jButton1.setFont(new java.awt.Font("Serif", 1, 13));
    jButton1.setText("确定");
    jButton2.setBounds(new Rectangle(172, 232, 89, 36));
    jButton2.setFont(new java.awt.Font("Serif", 1, 13));
    jButton2.setText("重置");
    getContentPane().add(panel1);
    panel1.add(jLabel2, null);
    panel1.add(jLabel3, null);
    panel1.add(jButton1, null);
    panel1.add(jButton2, null);
    panel1.add(jTextField1, null);
    panel1.add(jPasswordField1, null);
    panel1.add(jLabel1, null);

   if(jTextField1.getText().trim()!=null)
      {con=barConnect1.getconn();
       stmt=con.createStatement();
       loginQuery="";
       passwordtemp="";
       for(int i=0;i<jPasswordField1.getPassword().length;i++)
          {passwordtemp+=jPasswordField1.getPassword()[i];
          }
        loginQuery="select * from Card where CardID="+Integer.parseInt(jTextField1.getText().trim())+"and password="+passwordtemp;
        rs=stmt.executeQuery(loginQuery);
          if(rs.next())
          {Frame1.login_true();
            Frame1.setCardID(Integer.parseInt(jTextField1.getText()));
            rs.close();
            con.close();
            this.hide();
            return;
          }
          else
            {jTextField1.setText("卡号或密码错误！");
            }
      }
  }
  private String loginQuery;
  private String passwordtemp;
  private Connection con;
  private ResultSet rs;
  private Statement stmt;
  private barConnect barConnect1;
  private mainFrame Frame1;
}