ruanjianframe.java

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package cn.com.S1t55.killer.view;

import java.awt.BorderLayout;
import java.awt.Dimension;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import java.awt.Rectangle;
import javax.swing.JPasswordField;
import javax.swing.JLabel;
import javax.swing.JButton;
import java.awt.event.KeyEvent;
import java.awt.event.KeyAdapter;
import java.util.ArrayList;
import cn.com.S1t55.killer.entity.User; //导入学员的实体类
import cn.com.S1t55.killer.business.UserBusiness;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import cn.com.S1t55.killer.view.JieFrame;
import java.awt.Toolkit;
import cn.com.S1t55.killer.entity.Record;
import cn.com.S1t55.killer.entity.Computer;
import java.net.InetAddress;
import cn.com.S1t55.killer.business.ComBusiness;
import java.net.*;
/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2007</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class RuanJianFrame extends JFrame {
    JPanel contentPane;
    JTextField txtMing = new JTextField();
    JPasswordField txtMiMa = new JPasswordField();
    JLabel jLabel1 = new JLabel();
    JLabel jLabel2 = new JLabel();
    JButton btnDeng = new JButton();
    JButton btnTuiChu = new JButton();
    public RuanJianFrame() {
        try {
            setDefaultCloseOperation(EXIT_ON_CLOSE);
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    /**
     * Component initialization.
     *
     * @throws java.lang.Exception
     */
    private void jbInit() throws Exception {
        contentPane = (JPanel) getContentPane();
        contentPane.setLayout(null);
        setSize(new Dimension(400, 300));
        setTitle("软件用户登陆");
        txtMing.setBounds(new Rectangle(135, 62, 213, 38));
        txtMing.addKeyListener(new RuanJianFrame_txtMing_keyAdapter(this));
        txtMiMa.setBounds(new Rectangle(135, 131, 212, 33));
        txtMiMa.addKeyListener(new RuanJianFrame_txtMiMa_keyAdapter(this));
        jLabel1.setToolTipText("");
        jLabel1.setText("用户名");
        jLabel1.setBounds(new Rectangle(32, 62, 102, 36));
        jLabel2.setText("密码");
        jLabel2.setBounds(new Rectangle(30, 131, 80, 32));
        btnDeng.setBounds(new Rectangle(84, 221, 71, 28));
        btnDeng.setText("登陆");
        btnDeng.addActionListener(new RuanJianFrame_btnDeng_actionAdapter(this));
        btnTuiChu.setBounds(new Rectangle(226, 222, 71, 27));
        btnTuiChu.setText("退出");
        btnTuiChu.addActionListener(new RuanJianFrame_jButton2_actionAdapter(this));
        contentPane.add(txtMing);
        contentPane.add(txtMiMa);
        contentPane.add(jLabel1);
        contentPane.add(jLabel2);
        contentPane.add(btnDeng);
        contentPane.add(btnTuiChu);
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
       Dimension frameSize = this.getSize();
       if (frameSize.height > screenSize.height) {
           frameSize.height = screenSize.height;
       }
       if (frameSize.width > screenSize.width) {
           frameSize.width = screenSize.width;
       }
       this.setLocation((screenSize.width - frameSize.width) / 2,
                    (screenSize.height - frameSize.height) / 2);

    }

    public void txtMing_keyPressed(KeyEvent e) {
        if(e.getKeyCode()==KeyEvent.VK_ENTER)
                            {
                               txtMiMa.requestFocus();
                       }
    }

    public void txtMiMa_keyPressed(KeyEvent e) {
        if(e.getKeyCode()==KeyEvent.VK_ENTER)
                                 {
                                    btnDeng.requestFocus();
                       }
    }

    public void btnDeng_actionPerformed(ActionEvent e) {
        String userName = (String)this.txtMing.getText();
              String passWord = new String((this.txtMiMa.getPassword()));

              //验证步骤1: 表单验证_判断用户的输入是否为空
              if (userName.length() == 0 || passWord.length() == 0) {
                  javax.swing.JOptionPane.showMessageDialog(this,
                          "帐户和密码不能为空！");
                  return;
              }

              //验证步骤2: 业务验证_判断用户名和密码是否为空
              //(1)首先: 把输入封装到实体类对象中
              User us = new User();
              us.setUsername(userName);
              us.setPassword(passWord);

              //(2)然后: 调用业务层的相关方法,实现业务验证
              ArrayList arr = null;
              arr = UserBusiness.Dselect(us);  //验证是否是正确的用户名和密码
          if (!arr.isEmpty()) {


                  boolean shiFou = UserBusiness.DLselect(us);   //如果正确,判断权限
                  if (shiFou == true)
                 {javax.swing.JOptionPane.showMessageDialog(this,
                              "欢迎管理员使用本系统！");
                JieFrame f=new JieFrame();
                  f.setVisible(true);
            this.setVisible(false);
                      }
                  else
                  {
                      javax.swing.JOptionPane.showMessageDialog(this,
                              "欢迎普通用户使用本系统！");
                       this.setVisible(false);
                  }
              } else {  //如果密码不正确的操作.
                  javax.swing.JOptionPane.showMessageDialog(this,
                          "帐户和密码输入不正确！");
                  this.txtMing.setText("");
                  this.txtMiMa.setText("");
                  this.txtMing.requestFocus();
        }
    }

    public void jButton2_actionPerformed(ActionEvent e) {
        ZhuFrame f=new ZhuFrame();
                          f.setVisible(true);
             this.setVisible(false);
    }
}


class RuanJianFrame_txtMing_keyAdapter extends KeyAdapter {
    private RuanJianFrame adaptee;
    RuanJianFrame_txtMing_keyAdapter(RuanJianFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void keyPressed(KeyEvent e) {
        adaptee.txtMing_keyPressed(e);
    }
}


class RuanJianFrame_txtMiMa_keyAdapter extends KeyAdapter {
    private RuanJianFrame adaptee;
    RuanJianFrame_txtMiMa_keyAdapter(RuanJianFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void keyPressed(KeyEvent e) {
        adaptee.txtMiMa_keyPressed(e);
    }
}


class RuanJianFrame_btnDeng_actionAdapter implements ActionListener {
    private RuanJianFrame adaptee;
    RuanJianFrame_btnDeng_actionAdapter(RuanJianFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {
        adaptee.btnDeng_actionPerformed(e);
    }
}


class RuanJianFrame_jButton2_actionAdapter implements ActionListener {
    private RuanJianFrame adaptee;
    RuanJianFrame_jButton2_actionAdapter(RuanJianFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {
        adaptee.jButton2_actionPerformed(e);
    }
}