right.java

是一个描述饭卡管理系统的软件工程作业,里面有各个阶段的文档介绍.

/*
 * Right.java
 *
 * Created on 2007年7月14日, 上午10:47
 */

package 饭卡管理系统;
import java.sql.*;
import   javax.swing.JOptionPane; 
/**
 *
 * @author  BT之家会员
 */
public class Right extends javax.swing.JFrame {
    public static int jbuttonstatus=1;
  
    public Right() {  
                initComponents();
                this.jRadioButton2.setSelected(true);
    }
 
    // <editor-fold defaultstate="collapsed" desc=" 生成的代码 ">//GEN-BEGIN:initComponents
    private void initComponents() {
        buttonGroup1 = new javax.swing.ButtonGroup();
        jPanel1 = new javax.swing.JPanel();
        jRadioButton1 = new javax.swing.JRadioButton();
        jTextField1 = new javax.swing.JTextField();
        jTextField2 = new javax.swing.JTextField();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jRadioButton2 = new javax.swing.JRadioButton();
        jRadioButton3 = new javax.swing.JRadioButton();
        jLabel3 = new javax.swing.JLabel();
        jButton1 = new javax.swing.JButton();

        getContentPane().setLayout(null);

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setBackground(new java.awt.Color(255, 255, 255));
        setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR));
        setFont(new java.awt.Font("Abadi MT Condensed Extra Bold", 0, 10));
        setForeground(java.awt.Color.white);
        jPanel1.setLayout(null);

        jPanel1.setBorder(new javax.swing.border.TitledBorder(""));
        buttonGroup1.add(jRadioButton1);
        jRadioButton1.setText("\u7ba1\u7406\u5458");
        jRadioButton1.addItemListener(new java.awt.event.ItemListener() {
            public void itemStateChanged(java.awt.event.ItemEvent evt) {
                jRadioButton1ItemStateChanged(evt);
            }
        });

        jPanel1.add(jRadioButton1);
        jRadioButton1.setBounds(30, 10, 100, 23);

        jTextField1.setEnabled(false);
        jPanel1.add(jTextField1);
        jTextField1.setBounds(80, 60, 80, 20);

        jTextField2.setEnabled(false);
        jPanel1.add(jTextField2);
        jTextField2.setBounds(80, 90, 80, 20);

        jLabel1.setText("\u7528\u6237\u540d\uff1a");
        jPanel1.add(jLabel1);
        jLabel1.setBounds(10, 60, 70, 15);

        jLabel2.setText("\u5bc6\u7801\uff1a");
        jPanel1.add(jLabel2);
        jLabel2.setBounds(10, 90, 60, 15);

        getContentPane().add(jPanel1);
        jPanel1.setBounds(20, 90, 170, 140);

        buttonGroup1.add(jRadioButton2);
        jRadioButton2.setSelected(true);
        jRadioButton2.setText("\u5237\u5361\u670d\u52a1");
        getContentPane().add(jRadioButton2);
        jRadioButton2.setBounds(210, 100, 100, 23);

        buttonGroup1.add(jRadioButton3);
        jRadioButton3.setText("\u5b66\u751f\u67e5\u8be2");
        getContentPane().add(jRadioButton3);
        jRadioButton3.setBounds(210, 130, 100, 23);

        jLabel3.setText("\u6b22\u8fce\u4f7f\u7528\u996d\u5361\u7ba1\u7406\u7cfb\u7edf");
        getContentPane().add(jLabel3);
        jLabel3.setBounds(120, 30, 160, 15);

        jButton1.setText("\u767b\u9646");
        jButton1.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jButton1MouseClicked(evt);
            }
        });

        getContentPane().add(jButton1);
        jButton1.setBounds(210, 180, 160, 23);

        java.awt.Dimension screenSize = java.awt.Toolkit.getDefaultToolkit().getScreenSize();
        setBounds((screenSize.width-400)/2, (screenSize.height-300)/2, 400, 300);
    }
    // </editor-fold>//GEN-END:initComponents

    private void jButton1MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButton1MouseClicked
       
       //=================== 刷卡界面===================
        if(this.jRadioButton2.isSelected()){
            this.setVisible(false);
            JOptionPane.showMessageDialog(null,"欢迎进入刷卡界面！");
            Spend.main(null);
       }
        //=================== 管理员界面===================
       if(this.jRadioButton1.isSelected()){
            String nstr,pstr,sql;
            nstr = this.jTextField1.getText();
            pstr = this.jTextField2.getText();
            sql = "select * from admin where name like '"+nstr+"'";
            ResultSet rs =null;
            
            try{                
                rs = Main.state.executeQuery(sql);
                if(rs.next()){     
                    if(pstr.compareTo(rs.getString("pass"))==0){
                        this.setVisible(false);
                        
                        JOptionPane.showMessageDialog(null,"欢迎进入管理员界面！");
                        Admin.main(null);
                        
                    }else      
                        JOptionPane.showMessageDialog(null,"密码错误"); 
                }else{JOptionPane.showMessageDialog(null,"用户名错误"); 
                }     
            }catch(SQLException ex){ System.err.println("aq.executeQuery:"+ex.getMessage());}
       }
         //=================== 学生查询界面===================
       if(this.jRadioButton3.isSelected()){
            this.setVisible(false);
            JOptionPane.showMessageDialog(null,"欢迎进入学生查询界面！");
            StuInfo.main(null);
       }
      
       
    }//GEN-LAST:event_jButton1MouseClicked

    private void jRadioButton1ItemStateChanged(java.awt.event.ItemEvent evt) {//GEN-FIRST:event_jRadioButton1ItemStateChanged

        if(evt.getStateChange()==evt.SELECTED){
            jbuttonstatus=2;
            this.jTextField1.setEnabled(true);
            this.jTextField2.setEnabled(true);
        }
                
        if(evt.getStateChange()==evt.DESELECTED){
            this.jTextField1.setEnabled(false);
            this.jTextField2.setEnabled(false);
        }
        
    }//GEN-LAST:event_jRadioButton1ItemStateChanged
    
 
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
       public void run() {
           new Right().setVisible(true);
             }
        });
    }
    
    // 变量声明 - 不进行修改//GEN-BEGIN:variables
    private javax.swing.ButtonGroup buttonGroup1;
    private javax.swing.JButton jButton1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JRadioButton jRadioButton1;
    private javax.swing.JRadioButton jRadioButton2;
    private javax.swing.JRadioButton jRadioButton3;
    private javax.swing.JTextField jTextField1;
    private javax.swing.JTextField jTextField2;
    // 变量声明结束//GEN-END:variables
    
}