loginframe.java~91~

来自「银行信用评估系统」· JAVA~91~ 代码 · 共 244 行

package management;

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


/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class loginFrame extends JFrame {
  JPanel contentPane;
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JTextField jTextField1 = new JTextField();
  JPasswordField jPasswordField1 = new JPasswordField();
  JButton jButton2 = new JButton();
  JButton jButton1 = new JButton();
  JLabel jLabel4 = new JLabel();

  PreparedStatement pstmt;
  PreparedStatement pstmt2;
  Connection con;
  String query;
  String query2;
  ResultSet rs;
  JComboBox jComboBox1 = new JComboBox();
  String str="Creditcard";
  String a[]={"Creditcard","YHworker"};
  String b[]={"普通用户","银行职员"};
  GridBagLayout gridBagLayout1 = new GridBagLayout();

  //Construct the frame
  public loginFrame() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    contentPane = (JPanel) this.getContentPane();
    jLabel1.setFont(new java.awt.Font("Dialog", 1, 36));
    jLabel1.setForeground(Color.magenta);
    jLabel1.setText("欢迎光临信用卡评估系统");
    contentPane.setBackground(UIManager.getColor("info"));
    contentPane.setForeground(SystemColor.info);
    contentPane.setAlignmentX((float) 0.5);
    contentPane.setMaximumSize(new Dimension(2147483647, 2147483647));
    contentPane.setLayout(gridBagLayout1);
    this.setSize(new Dimension(547, 348));
    this.setTitle("欢迎光临");
    jLabel2.setBackground(Color.green);
    jLabel2.setFont(new java.awt.Font("Dialog", 1, 22));
    jLabel2.setForeground(Color.blue);
    jLabel2.setText("用户名 :");
    jLabel3.setFont(new java.awt.Font("Dialog", 1, 22));
    jLabel3.setForeground(Color.blue);
    jLabel3.setText("密   码 :");
    jTextField1.setFont(new java.awt.Font("Dialog", 1, 22));
    jTextField1.setText("1000") ;
    jPasswordField1.setFont(new java.awt.Font("Dialog", 1, 22));
    jPasswordField1.setText("000");
    jButton2.setBackground(new Color(210, 217, 158));
    jButton2.setFont(new java.awt.Font("Dialog", 1, 18));
    jButton2.setText("重置");
    jButton2.addActionListener(new loginFrame_jButton2_actionAdapter(this));
    jButton1.setBackground(new Color(210, 217, 158));
    jButton1.setFont(new java.awt.Font("Dialog", 1, 18));
    jButton1.setDebugGraphicsOptions(0);
    jButton1.setContentAreaFilled(true);
    jButton1.setText("确定");
    jButton1.addActionListener(new loginFrame_jButton1_actionAdapter(this));
    jLabel4.setBackground(Color.blue);
    jLabel4.setFont(new java.awt.Font("Dialog", 1, 22));
    jLabel4.setForeground(Color.blue);
    jLabel4.setText("用户类型:");
    jComboBox1.setFont(new java.awt.Font("宋体", 1, 22));
    jComboBox1.addItemListener(new loginFrame_jComboBox1_itemAdapter(this));
    contentPane.add(jButton2,  new GridBagConstraints(1, 4, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(32, 164, 36, 103), 13, 8));
    contentPane.add(jButton1,  new GridBagConstraints(0, 4, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(34, 108, 36, 0), 13, 8));
    contentPane.add(jPasswordField1,  new GridBagConstraints(1, 3, 1, 1, 1.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(27, 18, 0, 82), 217, -8));
    contentPane.add(jLabel3,  new GridBagConstraints(0, 3, 1, 1, 0.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(23, 75, 0, 36), 0, 0));
    contentPane.add(jLabel4,  new GridBagConstraints(0, 1, 1, 1, 0.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(19, 76, 0, 11), 7, -5));
    contentPane.add(jLabel2,  new GridBagConstraints(0, 2, 1, 1, 0.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(25, 76, 0, 34), 0, 0));
    contentPane.add(jTextField1,  new GridBagConstraints(1, 2, 1, 1, 1.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(28, 19, 0, 83), 193, -9));
    contentPane.add(jComboBox1,  new GridBagConstraints(1, 1, 1, 1, 1.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, new Insets(20, 19, 0, 82), 207, -6));
    contentPane.add(jLabel1,     new GridBagConstraints(0, 0, 2, 1, 0.0, 0.0
            ,GridBagConstraints.NORTHEAST, GridBagConstraints.NONE, new Insets(18, 75, 10, 0), 54, 0));
    jComboBox1.addItem("普通用户");
    jComboBox1.addItem("银行职员");
    Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
  }
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }

  void jButton1_actionPerformed(ActionEvent e) {
   try{
    String url = "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=CCES";
   String username= "sa";
     String password= "";
     con = DriverManager.getConnection(url,username,password);
     query="select * from Creditcard where CreditcardId=? and CreditcardCode=?";
     pstmt = con.prepareStatement(query);
     query2="select * from YHworker where YHworkerID=? and Code=?";
     pstmt2 = con.prepareStatement(query2);
   }
   catch(Exception ep)
   {   System.out.print("系统错误，请重新运行。");
   }
    String str1=jTextField1.getText();
    String str5;
    String str4="";
    for(int i=0;i<jPasswordField1.getPassword().length;i++)
      str4+=jPasswordField1.getPassword()[i];

   if(str.equals("YHworker"))
  {
      try{
             str5=jTextField1.getText();
             pstmt2.setString(1,str5);
             pstmt2.setString(2,str4);
             rs=pstmt2.executeQuery();
            if(rs.next()){
             this.dispose();
             eventFrame eventFrame1=new eventFrame(str5);
             eventFrame1.setSize(new Dimension(500,350));
             Dimension screenSize=Toolkit.getDefaultToolkit().getScreenSize();
             Dimension frameSize=eventFrame1.getSize();
             eventFrame1.setState(eventFrame1.NORMAL);
             eventFrame1.setLocation((screenSize.width-frameSize.width)/2,(screenSize.height-frameSize.height)/2);
             eventFrame1.show();
            }
            else
              jTextField1.setText("用户名或密码错。");
         }
       catch(Exception em)
       {
         System.out.print("系统错误，请重新运行。");
       }
  }
  else
    {    try{
             str5=jTextField1.getText();
             pstmt.setString(1,str5);
             pstmt.setString(2,str4);
             rs=pstmt.executeQuery();
            if(rs.next()){
              this.dispose();
              evFrame1 evFrame=new evFrame1(str5);
              evFrame.setSize(new Dimension(500,350));
              Dimension screenSize=Toolkit.getDefaultToolkit().getScreenSize();
              Dimension frameSize=evFrame.getSize();
              evFrame.setState(evFrame1.NORMAL);
              evFrame.setLocation((screenSize.width-frameSize.width)/2,(screenSize.height-frameSize.height)/2);
              evFrame.show();
            }
            else
              jTextField1.setText("用户名或密码错。");
         }
       catch(Exception em)
       {
         System.out.print("系统错误，请重新运行。");
       }
     }

  }

  void jButton2_actionPerformed(ActionEvent e) {
    jTextField1.setText(" ");
       jPasswordField1.setText(" ");
  }

  void jComboBox1_itemStateChanged(ItemEvent e) {
    for(int i=0;i<2;i++)
   if(jComboBox1.getSelectedIndex()==i)
     str=(String)jComboBox1.getSelectedItem();
    for(int i=0;i<b.length;i++)
                if(str.equals(b[i]))
                  str=a[i];

  }
}

class loginFrame_jButton1_actionAdapter implements java.awt.event.ActionListener {
  loginFrame adaptee;

  loginFrame_jButton1_actionAdapter(loginFrame adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}

class loginFrame_jButton2_actionAdapter implements java.awt.event.ActionListener {
  loginFrame adaptee;

  loginFrame_jButton2_actionAdapter(loginFrame adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton2_actionPerformed(e);
  }
}

class loginFrame_jComboBox1_itemAdapter implements java.awt.event.ItemListener {
  loginFrame adaptee;

  loginFrame_jComboBox1_itemAdapter(loginFrame adaptee) {
    this.adaptee = adaptee;
  }
  public void itemStateChanged(ItemEvent e) {
    adaptee.jComboBox1_itemStateChanged(e);
  }
}