jf_login.java

数据库管理系统

package appgdzc.view;

import java.awt.BorderLayout;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.BorderFactory;
import javax.swing.border.EtchedBorder;
import java.awt.Color;
import javax.swing.border.Border;
import java.awt.GridLayout;
import java.awt.Dimension;
import java.awt.Toolkit;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JPasswordField;
import java.awt.FlowLayout;
import javax.swing.JButton;
import java.awt.Font;
import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyAdapter;
import appgdzc.AppMain;
import javax.sql.DataSource;
import appgdzc.tools.InitContext;
import appgdzc.tools.GlobaBean;


public class JF_Login extends JFrame {
    BorderLayout borderLayout1 = new BorderLayout();
    JPanel jPanel1 = new JPanel();
    Border border1 = BorderFactory.createEtchedBorder(EtchedBorder.RAISED,
            Color.white, new Color(148, 145, 140));
    GridLayout gridLayout1 = new GridLayout();
    JLabel jLabel1 = new JLabel();
    JTextField jTuser = new JTextField();
    JLabel jLabel2 = new JLabel();
    JPasswordField jPassconf = new JPasswordField();
    JLabel jLabel3 = new JLabel();
    JPasswordField jPass = new JPasswordField();
    JPanel jPanel2 = new JPanel();
    FlowLayout flowLayout1 = new FlowLayout();
    JButton jBlogin = new JButton();
    JButton jBexit = new JButton();
    JPanel jPanel3 = new JPanel();
    JLabel jLabel4 = new JLabel();
    java.sql.Connection con = null;
    java.sql.Statement stmt = null;
    java.sql.ResultSet rest = null;
    String id = null;
    String pass = null;
    String pass1 = null;

    FlowLayout flowLayout2 = new FlowLayout();
     AppMain appmain = null;
     appgdzc.model.facadeQuery facade = null;
    public JF_Login() {
        try {
            this.setSize(new Dimension(380, 200));
            Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
            Dimension frameSize = getSize();
            if (frameSize.height > screenSize.height) {
                frameSize.height = screenSize.height;
            }
            if (frameSize.width > screenSize.width) {
                frameSize.width = screenSize.width;
            }
            setLocation((screenSize.width - frameSize.width) / 2,
                        (screenSize.height - frameSize.height) / 2);

            jbInit();
            setVisible(true);
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    private void jbInit() throws Exception {

        getContentPane().setLayout(borderLayout1);
        this.setResizable(false);
        this.setTitle("系统登录");
        jLabel1.setFont(new java.awt.Font("新宋体", Font.PLAIN, 12));
        jLabel1.setHorizontalAlignment(SwingConstants.CENTER);
        jLabel1.setText("用户ID：");
        jTuser.setPreferredSize(new Dimension(6, 17));
        jTuser.setText("");
        jTuser.addKeyListener(new JF_Login_jTuser_keyAdapter(this));

        jLabel2.setFont(new java.awt.Font("新宋体", Font.PLAIN, 12));
        jLabel2.setHorizontalAlignment(SwingConstants.CENTER);
        jLabel2.setText("用户口令：");
        jPassconf.setPreferredSize(new Dimension(6, 17));
        jPassconf.setText("");
        jPassconf.addKeyListener(new JF_Login_jPassconf_keyAdapter(this));
        jLabel3.setFont(new java.awt.Font("新宋体", Font.PLAIN, 12));
        jLabel3.setHorizontalAlignment(SwingConstants.CENTER);
        jLabel3.setText("重复口令：");
        jPass.setPreferredSize(new Dimension(6, 17));
        jPass.setText("");
        jPass.addKeyListener(new JF_Login_jPass_keyAdapter(this));
        jPanel2.setLayout(flowLayout1);
        jBlogin.setFont(new java.awt.Font("新宋体", Font.PLAIN, 12));
        jBlogin.setPreferredSize(new Dimension(83, 30));
        jBlogin.setText("系统登录");
        jBlogin.addActionListener(new JF_Login_jBlogin_actionAdapter(this));
        jBexit.setFont(new java.awt.Font("新宋体", Font.PLAIN, 12));
        jBexit.setPreferredSize(new Dimension(83, 30));
        jBexit.setText("系统退出");
        jBexit.addActionListener(new JF_Login_jBexit_actionAdapter(this));
        flowLayout1.setAlignment(FlowLayout.RIGHT);
        borderLayout1.setHgap(2);
        borderLayout1.setVgap(5);
        gridLayout1.setVgap(5);
        jPanel3.setLayout(flowLayout2);
        jLabel4.setFont(new java.awt.Font("新宋体", Font.PLAIN, 12));
        jLabel4.setText("用户姓名:");
        flowLayout2.setAlignment(FlowLayout.LEFT);
        this.getContentPane().add(jPanel1, java.awt.BorderLayout.CENTER);
        jPanel1.add(jLabel1);
        jPanel1.add(jTuser);
        jPanel1.add(jLabel2);
        jPanel1.add(jPass);
        jPanel1.add(jLabel3);
        jPanel1.add(jPassconf);
        this.getContentPane().add(jPanel2, java.awt.BorderLayout.SOUTH);
        jPanel2.add(jBlogin);
        jPanel2.add(jBexit);
        this.getContentPane().add(jPanel3, java.awt.BorderLayout.NORTH);
        jPanel3.add(jLabel4, null);
        gridLayout1.setColumns(2);
        gridLayout1.setRows(3);
        jPanel1.setBorder(border1);
        jPanel1.setLayout(gridLayout1);
        //UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");

        //设置初始化连接
        GlobaBean bean = new GlobaBean();
        bean.getFacadeObject();
        DataSource ds = null;
        facade = bean.facadeQueryObject;
        ds = (DataSource) bean.dataSource;
        if (ds == null) System.exit(0);
        con = ds.getConnection();
        stmt = con.createStatement();

    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                try {
                    javax.swing.plaf.metal.MetalLookAndFeel aa = new javax.swing.plaf.metal.MetalLookAndFeel();
                    UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");

                } catch (Exception exception) {
                    exception.printStackTrace();
                }
                new JF_Login();
            }
        });


    }

    public void jBexit_actionPerformed(ActionEvent actionEvent) {
       // new java.awt.Font("",);
        int result = JOptionPane.showOptionDialog(null,"是否真的退出用户登录?","系统提示",
                                   JOptionPane.YES_NO_OPTION,JOptionPane.QUESTION_MESSAGE,
                                   null,new String[]  {"是","否"},"否");
        if (result == JOptionPane.YES_OPTION) {
            try{
                con.close();
                System.exit(0);
            }catch(java.sql.SQLException sql){
                sql.printStackTrace();
            }

        }

    }

    public void jBlogin_actionPerformed(ActionEvent actionEvent) {

        id = jTuser.getText().trim();
        pass = new String(jPass.getPassword());
        pass1 = new String(jPassconf.getPassword());
        //System.out.println("id " + id + "pass = " + pass + " passconf = " + pass1);
        if (id == null || id.length() <= 0 ){
            JOptionPane.showMessageDialog(null,"输入用户ID不能为空,请重新输入!!!","系统提示",JOptionPane.ERROR_MESSAGE);
            jTuser.requestFocus();
            return;
        }
        if(pass == null || pass.length() <= 0 ){
            JOptionPane.showMessageDialog(null,"输入用户口令不能为空,请重新输入!!!","系统提示",JOptionPane.ERROR_MESSAGE);
            jPass.requestFocus();
            return;
        }
        if(pass1 == null || pass1.length() <= 0 ){
            JOptionPane.showMessageDialog(null,"输入重复口令不能为空,请重新输入!!!","系统提示",JOptionPane.ERROR_MESSAGE);
            jPassconf.requestFocus();
            return;
        }
        if(!pass.equals(pass1)){
            JOptionPane.showMessageDialog(null,"两次输入的口令不一致,请重新输入!!!","系统提示",JOptionPane.ERROR_MESSAGE);
            jPassconf.requestFocus();
            return;
        }
        String sqlStr = null;
        sqlStr = "select pass from t_user where id = '" + id + "'";
        java.util.Collection collection = null;
        java.util.Vector vdata = null;
        String _pass = null;
        try{
            collection = facade.getQueryObject(sqlStr);
            vdata = (java.util.Vector)collection.iterator().next();
            _pass = String.valueOf(vdata.get(0)).trim();
            System.out.println("_pass" + _pass);
            jPass.requestFocus();
        }catch(java.rmi.RemoteException remote){
            JOptionPane.showMessageDialog(null,"输入的口令不正确,请重新输入!!!","系统提示",JOptionPane.ERROR_MESSAGE);
            remote.printStackTrace();
        }
        if (pass.equals(_pass)){
            System.out.println("appmain ="  + AppMain.class.isInstance(this));
            if (AppMain.class.isInstance(appmain)){
                return;
            }else{
                appmain = new AppMain();
            }
            //setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            this.setVisible(false);
        }else{
            JOptionPane.showMessageDialog(null,"输入的口令不正确,请重新输入!!!","系统提示",JOptionPane.ERROR_MESSAGE);
            jPass.requestFocus();
            return;
        }
    }

    public void jTuser_keyPressed(KeyEvent keyEvent) {
        if (keyEvent.getKeyCode() == KeyEvent.VK_ENTER){
            String sqlStr = null;
            sqlStr = "select name from t_user where id = '" + jTuser.getText().trim() + "'";
            java.util.Collection collection = null;
            java.util.Vector vdata = null;
            try{
                collection = facade.getQueryObject(sqlStr);
                if (collection.isEmpty()){
                    JOptionPane.showMessageDialog(null,"输入的用户ID不存在,请重新输入!!!","系统提示",JOptionPane.ERROR_MESSAGE);
                    return;
                }
                vdata = (java.util.Vector)collection.iterator().next();
                jLabel4.setText("用户姓名:" + vdata.get(0));
                jPass.requestFocus();
            }catch(java.rmi.RemoteException remote){
                JOptionPane.showMessageDialog(null,"输入的用户ID不存在,请重新输入!!!","系统提示",JOptionPane.ERROR_MESSAGE);
                remote.printStackTrace();
            }
        }
    }

    public void jPass_keyPressed(KeyEvent keyEvent) {
        if (keyEvent.getKeyCode() == KeyEvent.VK_ENTER){
            jPassconf.requestFocus();
        }
    }

    public void jPassconf_keyPressed(KeyEvent keyEvent) {
        if (keyEvent.getKeyCode() == KeyEvent.VK_ENTER){
//            ActionEvent mm = new ActionEvent(object ,int ,String );
            ActionEvent event = new ActionEvent(jBlogin,0,"");
            this.jBlogin_actionPerformed(event);
        }
    }
}


class JF_Login_jTuser_keyAdapter extends KeyAdapter {
    private JF_Login adaptee;
    JF_Login_jTuser_keyAdapter(JF_Login adaptee) {
        this.adaptee = adaptee;
    }

    public void keyPressed(KeyEvent keyEvent) {
        adaptee.jTuser_keyPressed(keyEvent);
    }
}


class JF_Login_jPass_keyAdapter extends KeyAdapter {
    private JF_Login adaptee;
    JF_Login_jPass_keyAdapter(JF_Login adaptee) {
        this.adaptee = adaptee;
    }

    public void keyPressed(KeyEvent keyEvent) {
        adaptee.jPass_keyPressed(keyEvent);
    }
}


class JF_Login_jPassconf_keyAdapter extends KeyAdapter {
    private JF_Login adaptee;
    JF_Login_jPassconf_keyAdapter(JF_Login adaptee) {
        this.adaptee = adaptee;
    }

    public void keyPressed(KeyEvent keyEvent) {
        adaptee.jPassconf_keyPressed(keyEvent);
    }
}


class JF_Login_jBlogin_actionAdapter implements ActionListener {
    private JF_Login adaptee;
    JF_Login_jBlogin_actionAdapter(JF_Login adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent actionEvent) {
        adaptee.jBlogin_actionPerformed(actionEvent);
    }
}


class JF_Login_jBexit_actionAdapter implements ActionListener {
    private JF_Login adaptee;
    JF_Login_jBexit_actionAdapter(JF_Login adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent actionEvent) {
        adaptee.jBexit_actionPerformed(actionEvent);
    }
}