ruanjiandengframe.java~2~

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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.JButton;
import javax.swing.JLabel;
import java.awt.event.KeyEvent;
import java.awt.event.KeyAdapter;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import cn.com.S1t55.killer.business.UserBusiness;
import cn.com.S1t55.killer.entity.User;
import java.util.ArrayList;
/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2007</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class RuanJianDengFrame extends JFrame {
    JPanel contentPane;
    JTextField txtMing = new JTextField();
    JPasswordField txtMiMa = new JPasswordField();
    JButton btnDeng = new JButton();
    JButton jButton2 = new JButton();
    JLabel jLabel1 = new JLabel();
    JLabel jLabel2 = new JLabel();
    public RuanJianDengFrame() {
        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(132, 69, 199, 36));
        txtMing.addKeyListener(new RuanJianDengFrame_txtMing_keyAdapter(this));
        txtMiMa.setBounds(new Rectangle(130, 132, 201, 34));
        txtMiMa.addKeyListener(new RuanJianDengFrame_txtMiMa_keyAdapter(this));
        btnDeng.setBounds(new Rectangle(90, 224, 77, 26));
        btnDeng.setText("登陆");
        btnDeng.addActionListener(new RuanJianDengFrame_btnDeng_actionAdapter(this));
        jButton2.setBounds(new Rectangle(250, 224, 77, 26));
        jButton2.setText("退出");
        jLabel1.setText("用户名");
        jLabel1.setBounds(new Rectangle(34, 69, 97, 39));
        jLabel2.setText("密码");
        jLabel2.setBounds(new Rectangle(32, 132, 95, 38));
        contentPane.add(txtMing);
        contentPane.add(txtMiMa);
        contentPane.add(btnDeng);
        contentPane.add(jButton2);
        contentPane.add(jLabel1);
        contentPane.add(jLabel2);
    }

    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.check(us);  //验证是否是正确的用户名和密码
        if (!arr.isEmpty()) {
            boolean shiFou = UserBusiness.check_admin(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！");
            else
                javax.swing.JOptionPane.showMessageDialog(this,
                        "欢迎普通用户使用本系统！");
        } 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.txtUserName.setText("");
            this.txtPassWord.setText("");
            this.txtUserName.requestFocus();
        }
    }
}


class RuanJianDengFrame_btnDeng_actionAdapter implements ActionListener {
    private RuanJianDengFrame adaptee;
    RuanJianDengFrame_btnDeng_actionAdapter(RuanJianDengFrame adaptee) {
        this.adaptee = adaptee;
    }

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


class RuanJianDengFrame_txtMiMa_keyAdapter extends KeyAdapter {
    private RuanJianDengFrame adaptee;
    RuanJianDengFrame_txtMiMa_keyAdapter(RuanJianDengFrame adaptee) {
        this.adaptee = adaptee;
    }

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


class RuanJianDengFrame_txtMing_keyAdapter extends KeyAdapter {
    private RuanJianDengFrame adaptee;
    RuanJianDengFrame_txtMing_keyAdapter(RuanJianDengFrame adaptee) {
        this.adaptee = adaptee;
    }

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