loginframe.java~28~

中小学校园的教师

package untitled2;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;
import javax.swing.border.*;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Connection;
import java.sql.Statement;
//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 LoginFrame extends JFrame {
  JPanel contentPane;
  XYLayout xYLayout1 = new XYLayout();
  JTextField jTextFieldUserName = new JTextField();
  JPasswordField jPassword = new JPasswordField();
  JButton jButtonOk = new JButton();
  JButton jButtonExit = new JButton();
  JComboBox jComboBox1 = new JComboBox();
  JLabel jLabel1 = new JLabel();
  Border border1;
  Border border2;
  Border border3;
  Border border4;
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  ResultSet rs=null;
  static int flag;
  //private DBManager db =new DBManager();
 // BookManagerMain myMain;

  //Construct the frame
  //public userLogin(BookManagerMain bMain){
  //}
  public LoginFrame() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
      jComboBox1.addItem("系统管理员");
      jComboBox1.addItem("教务处人员");
      jComboBox1.addItem("班主任");
      jComboBox1.addItem("老师");
      jComboBox1.addItem("学生");
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }

  //Component initialization
  private void jbInit() throws Exception  {
    contentPane = (JPanel) this.getContentPane();
    border1 = new EtchedBorder(EtchedBorder.RAISED,Color.white,SystemColor.desktop);
    border2 = new EtchedBorder(EtchedBorder.RAISED,Color.white,SystemColor.desktop);
    border3 = new EtchedBorder(EtchedBorder.RAISED,Color.white,SystemColor.desktop);
    border4 = new EtchedBorder(EtchedBorder.RAISED,Color.white,new Color(178, 178, 178));
    jTextFieldUserName.setBackground(Color.white);
    jTextFieldUserName.setFont(new java.awt.Font("Dialog", 0, 13));
    jTextFieldUserName.setBorder(border2);
    jTextFieldUserName.setText("");
    contentPane.setLayout(xYLayout1);
    this.setLocale(java.util.Locale.getDefault());
    this.setResizable(true);
    this.setSize(new Dimension(330, 207));
    this.setState(Frame.NORMAL);
    this.setTitle("欢迎您进入数字化校园系统");
    jPassword.addActionListener(new LoginFrame_jPassword_actionAdapter(this));
    jPassword.setBackground(Color.white);
    jPassword.setFont(new java.awt.Font("Dialog", 0, 13));
    jPassword.setName("");
    jPassword.setVisible(true);
    jPassword.setBorder(border3);
    jPassword.setToolTipText("");
    jPassword.setVerifyInputWhenFocusTarget(true);
    jPassword.setText("");
    jButtonOk.setBackground(new Color(131, 177, 197));
    jButtonOk.setFont(new java.awt.Font("幼圆", 0, 13));
    jButtonOk.setBorder(border1);
    jButtonOk.setRolloverEnabled(true);
    jButtonOk.setRolloverIcon(new ImageIcon(new java.net.URL("file:///untitled2/pp/login.jpg")));
    jButtonOk.setText("确定");
    jButtonOk.addActionListener(new LoginFrame_jButtonOk_actionAdapter(this));
    jButtonExit.setBackground(new Color(131, 177, 197));
    jButtonExit.setBounds(new Rectangle(229, 75, 75, 25));
    jButtonExit.setFont(new java.awt.Font("幼圆", 0, 13));
    jButtonExit.setName("");
    jButtonExit.setBorder(border1);
    jButtonExit.setToolTipText("");
    jButtonExit.setRolloverEnabled(true);
    jButtonExit.setText("退出");
    jButtonExit.addActionListener(new LoginFrame_jButtonExit_actionAdapter(this));
    jLabel1.setBackground(new Color(98, 158, 177));
    jLabel1.setMaximumSize(new Dimension(320, 200));
    jLabel1.setPreferredSize(new Dimension(314, 210));
    jLabel1.setIcon(new ImageIcon(new java.net.URL("file:///D:/UI6.0/untitled2/pictrue/login.jpg")));
    jLabel1.setText("");
    jComboBox1.setBackground(Color.white);
    jComboBox1.setFont(new java.awt.Font("幼圆", 0, 12));
    jComboBox1.setForeground(new Color(13, 98, 114));
    jComboBox1.setBorder(border3);
    jComboBox1.addItemListener(new LoginFrame_jComboBox1_itemAdapter(this));
    jLabel2.setFont(new java.awt.Font("幼圆", 0, 13));
    jLabel2.setForeground(new Color(13, 98, 144));
    jLabel2.setText("用户名");
    jLabel3.setFont(new java.awt.Font("幼圆", 0, 13));
    jLabel3.setForeground(new Color(13, 98, 144));
    jLabel3.setText("密码");
    contentPane.setMinimumSize(new Dimension(340, 180));
    contentPane.setPreferredSize(new Dimension(361, 257));
    contentPane.setToolTipText("");
    contentPane.add(jPassword,       new XYConstraints(80, 75, 120, -1));
    contentPane.add(jTextFieldUserName,     new XYConstraints(80, 30, 120, -1));
    contentPane.add(jButtonExit,          new XYConstraints(229, 74, 75, 25));
    contentPane.add(jComboBox1,      new XYConstraints(80, 120, 120, -1));
    contentPane.add(jButtonOk,         new XYConstraints(229, 29, 75, 25));
    contentPane.add(jLabel3,  new XYConstraints(32, 75, -1, -1));
    contentPane.add(jLabel2,  new XYConstraints(23, 33, -1, -1));
    contentPane.add(jLabel1,                                                                          new XYConstraints(-4, 0, 333, 180));
  }

  //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 jButtonOk_actionPerformed(ActionEvent e) throws SQLException
  {

    if (jTextFieldUserName.getText().trim().equals(""))
    {
      JOptionPane.showMessageDialog(null, "用户名不能为空");
      return;
    }
    if (jPassword.getText().trim().equals(""))
    {
      JOptionPane.showMessageDialog(null, "密码不能为空");
       return;


    }
  //DBConnection dbc = new DBConnection();

   String sql = " select * from login where user_name='"+
       jTextFieldUserName.getText().trim() +
       "' and password ='" +jPassword.getText().trim() +
     "'and user_type ='" +flag+"'";
    // System.out.print(sql);
     Connection con;
         con = DBConnection.getConnection();
      Statement st = con.createStatement();
       rs = st.executeQuery(sql);


      try {
       // rs.next();
        if (rs.next()) {
         switch(flag)
         {case 1:
             OperatorSystemFrame f1 = new OperatorSystemFrame();
              f1.show();
              break;
          case 2:
          jiaoWu f2 = new jiaoWu();
          Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
         Dimension frameSize = f2.getSize();
         if (frameSize.height > screenSize.height) {
         frameSize.height = screenSize.height;
            }
            if (frameSize.width > screenSize.width) {
                frameSize.width = screenSize.width;
               }
                f2.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
              f2.setVisible(true);


             f2.show();
              break;
              case 3:
                break;

              case 4:
                TeacherQueryFrame f4 =new TeacherQueryFrame();
            //    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
       //  Dimension frameSize = f2.getSize();
     //    if (frameSize.height > screenSize.height) {
      //   frameSize.height = screenSize.height;
       //     }
       //     if (frameSize.width > screenSize.width) {
        //        frameSize.width = screenSize.width;
            //   }
          //      f2.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
       //       f2.setVisible(true);

                f4.show();
                break;
               case 5:
                 StudentFrame f5 =new StudentFrame();
                f5.show();
                break;
                  }


       this.dispose();
        }
        else
          JOptionPane.showMessageDialog(null, " 用户名 或 密码 错误 ！");
        return;
      }
      catch (SQLException ex) {
       ex.printStackTrace();
      }
      this.hide();
    }
  void jButtonExit_actionPerformed(ActionEvent e) {
  System.exit(0);  }

 void jPassword_actionPerformed(ActionEvent e) {

  }

  void jComboBox1_itemStateChanged(ItemEvent e) {
flag =jComboBox1.getSelectedIndex()+1;
  }
}

class LoginFrame_jButtonOk_actionAdapter implements java.awt.event.ActionListener {
  LoginFrame adaptee;

  LoginFrame_jButtonOk_actionAdapter(LoginFrame adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {


    try {
      adaptee.jButtonOk_actionPerformed(e);
    }
    catch (SQLException ex1) {
    }
   // adaptee.jButtonOk_actionPerformed(e);
  //  adaptee.jButtonOk_actionPerformed(e);


  }
}

class LoginFrame_jButtonExit_actionAdapter implements java.awt.event.ActionListener {
  LoginFrame adaptee;

  LoginFrame_jButtonExit_actionAdapter(LoginFrame adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButtonExit_actionPerformed(e);
  }
}

class LoginFrame_jPassword_actionAdapter implements java.awt.event.ActionListener {
  LoginFrame adaptee;

  LoginFrame_jPassword_actionAdapter(LoginFrame adaptee) {
    this.adaptee = adaptee;
  }
 public void actionPerformed(ActionEvent e) {
 adaptee.jPassword_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);
  }
}