spend.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.

        Now.setText("0");
        this.jPanel1.setVisible(false);
        this.Ids.setEditable(true);
        this.jButton26.setEnabled(true);
    }
    
    private void jButton16ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton16ActionPerformed
        Sum.setText("0");
        Now.setText("0");
        this.jPanel1.setVisible(false);
        this.Ids.setEditable(true);
        this.jButton26.setEnabled(true);
    }//GEN-LAST:event_jButton16ActionPerformed

    private void jButton17ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton17ActionPerformed

        Sum.setText(sums);
        Now.setText(nows);
        xiaofeiB.setEnabled(false);
    }//GEN-LAST:event_jButton17ActionPerformed

    private void jButton27ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton27ActionPerformed

        if(DjCheck.isSelected()){
            Dingjia.setText(Dingjia.getText().substring(0, (Dingjia.getText().length()-1)));
             if(Dingjia.getText().equals("")){Dingjia.setText("0");}
        }else{
         Now.setText(Now.getText().substring(0, (Now.getText().length()-1)));
             if(Now.getText().equals("")){Now.setText("0");}
        }
      
        
    }//GEN-LAST:event_jButton27ActionPerformed

    private void jButton26ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton26ActionPerformed
        
        if(Ids.getText().equals("") ){
            JOptionPane.showMessageDialog(null,"卡号不能为空！");
            Ids.setFocusable(true);
        }else{
        try{       
            String sql = "select * from card_info where id = "+Ids.getText();        
            ResultSet rs = Main.state.executeQuery(sql);
            if(rs.next()){
                if(rs.getBoolean(3)){
                   JOptionPane.showMessageDialog(null,"卡已经被锁，如要解锁，请与管理员联系否则10日后 自动注销！");
                }else{
                if(DjCheck.isSelected()){
                    Sum.setText(rs.getString(2));
                    this.result=String.valueOf(Integer.parseInt(Sum.getText())-Integer.parseInt(Dingjia.getText()));
                     JOptionPane.showMessageDialog(null,"消费完毕，卡剩余"+ result +"。如果要继续消费请在10秒内操作，只后自动关闭帐户");
                    Sum.setText(result);
                }else{           
                Ids.setEditable(false);                
                this.jButton26.setEnabled(false);                
                this.jPanel1.setVisible(true);
                Sum.setText(rs.getString(2));
                 jButton12.setEnabled(true);
                 jButton13.setEnabled(true);
                 jButton14.setEnabled(true);
                 jButton15.setEnabled(true);
                 this.xiaofeiB.setEnabled(true);
                }
                }
            }else{
            JOptionPane.showMessageDialog(null,"卡号错误！");
            }
        }catch(SQLException ex){ System.err.println("aq.executeQuery:"+ex.getMessage());}
        }
    }//GEN-LAST:event_jButton26ActionPerformed

    private void jButton15ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton15ActionPerformed


        if(Jisuan.getText().compareTo("") == 0){
            Jisuan.setText(Now.getText());
            Now.setText("0");
            
        }
        else {
            switch(ops){
                case 3:
                    int a= 0;
                    a=Integer.parseInt(Jisuan.getText()) *  Integer.parseInt(Now.getText());
                    if(a>999){
                        JOptionPane.showMessageDialog(null,"计算量超过消费最大值！");
                    }else{
                        Jisuan.setText(String.valueOf(Integer.parseInt(Jisuan.getText()) *  Integer.parseInt(Now.getText())));                        
                        Now.setText("0");
                    } 
                    break;
                   
                case 2:
                    int b=0;
                    b = Integer.parseInt(Jisuan.getText()) +  Integer.parseInt(Now.getText());
                    if(b>999){
                        JOptionPane.showMessageDialog(null,"计算量超过消费最大值！");
                    }else{
                        Jisuan.setText(String.valueOf(Integer.parseInt(Jisuan.getText()) +  Integer.parseInt(Now.getText())));                        
                        Now.setText("0");
                    } 
                    break;
                   
                case 1:
                    int c=1;
                    c=Integer.parseInt(Jisuan.getText()) -  Integer.parseInt(Now.getText());
                    if(c>999||c<=0){
                        JOptionPane.showMessageDialog(null,"计算量超过消费有效值！");
                    }else{
                        Jisuan.setText(String.valueOf(Integer.parseInt(Jisuan.getText()) -  Integer.parseInt(Now.getText())));                        
                        Now.setText("0");
                    } 
                    break;
                   
                    
            
            
            }            
        }
        
        ops = 3 ;
        Op.setText("*");
    }//GEN-LAST:event_jButton15ActionPerformed

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

       if(evt.getStateChange()==evt.SELECTED){
           this.jPanel1.setVisible(true);
                 jButton12.setEnabled(false);
                 jButton13.setEnabled(false);
                 jButton14.setEnabled(false);
                 jButton15.setEnabled(false);
                 
           Now.setEnabled(false);
           Dingjia.setText("0");
           Dingjia.setEnabled(true);
        }
                
        if(evt.getStateChange()==evt.DESELECTED){
           Now.setText("0"); 
           Now.setEnabled(true);
          Dingjia.setEnabled(false);
           
        }
    }//GEN-LAST:event_DjCheckItemStateChanged

    private void jButton18ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton18ActionPerformed

        //Sum.setText("0");
        Now.setText("0");
        Jisuan.setText("");
        Dingjia.setText("0");

    }//GEN-LAST:event_jButton18ActionPerformed

    private void jButton10ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton10ActionPerformed
 
        
        if(Integer.parseInt(Now.getText())<100)
        Now.setText( String.valueOf( Integer.parseInt(Now.getText())*10 ));
       if(DjCheck.isSelected())
       if(Integer.parseInt(Dingjia.getText())<100)
            Dingjia.setText( String.valueOf( Integer.parseInt(Dingjia.getText())*10 ));
    }//GEN-LAST:event_jButton10ActionPerformed

    private void jButton9ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton9ActionPerformed
  if(Integer.parseInt(Now.getText())<100)Now.setText( String.valueOf( Integer.parseInt(Now.getText())*10+9 ));
   if(DjCheck.isSelected())
       if(Integer.parseInt(Dingjia.getText())<100)
            Dingjia.setText( String.valueOf( Integer.parseInt(Dingjia.getText())*10 +9));
    }//GEN-LAST:event_jButton9ActionPerformed

    private void jButton8ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton8ActionPerformed
  if(Integer.parseInt(Now.getText())<100)Now.setText( String.valueOf( Integer.parseInt(Now.getText())*10+8 ));
  if(DjCheck.isSelected())
       if(Integer.parseInt(Dingjia.getText())<100)
            Dingjia.setText( String.valueOf( Integer.parseInt(Dingjia.getText())*10 +8));
    }//GEN-LAST:event_jButton8ActionPerformed

    private void jButton7ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton7ActionPerformed
  if(Integer.parseInt(Now.getText())<100)Now.setText( String.valueOf( Integer.parseInt(Now.getText())*10+7 ));
  if(DjCheck.isSelected())
       if(Integer.parseInt(Dingjia.getText())<100)
            Dingjia.setText( String.valueOf( Integer.parseInt(Dingjia.getText())*10 +7));
    }//GEN-LAST:event_jButton7ActionPerformed

    private void jButton6ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton6ActionPerformed
  if(Integer.parseInt(Now.getText())<100)Now.setText( String.valueOf( Integer.parseInt(Now.getText())*10+6 ));
  if(DjCheck.isSelected())
       if(Integer.parseInt(Dingjia.getText())<100)
            Dingjia.setText( String.valueOf( Integer.parseInt(Dingjia.getText())*10 +6));
    }//GEN-LAST:event_jButton6ActionPerformed

    private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton5ActionPerformed
  if(Integer.parseInt(Now.getText())<100)Now.setText( String.valueOf( Integer.parseInt(Now.getText())*10+5 ));
  if(DjCheck.isSelected())
       if(Integer.parseInt(Dingjia.getText())<100)
            Dingjia.setText( String.valueOf( Integer.parseInt(Dingjia.getText())*10 +5));
    }//GEN-LAST:event_jButton5ActionPerformed

    private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton4ActionPerformed
  if(Integer.parseInt(Now.getText())<100)Now.setText( String.valueOf( Integer.parseInt(Now.getText())*10+4 ));
  if(DjCheck.isSelected())
       if(Integer.parseInt(Dingjia.getText())<100)
            Dingjia.setText( String.valueOf( Integer.parseInt(Dingjia.getText())*10 +4));
    }//GEN-LAST:event_jButton4ActionPerformed

    private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
  if(Integer.parseInt(Now.getText())<100)Now.setText( String.valueOf( Integer.parseInt(Now.getText())*10+3 ));
  if(DjCheck.isSelected())
       if(Integer.parseInt(Dingjia.getText())<100)
            Dingjia.setText( String.valueOf( Integer.parseInt(Dingjia.getText())*10 +3));
    }//GEN-LAST:event_jButton3ActionPerformed

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
  if(Integer.parseInt(Now.getText())<100)Now.setText( String.valueOf( Integer.parseInt(Now.getText())*10+2 ));
  if(DjCheck.isSelected())
       if(Integer.parseInt(Dingjia.getText())<100)
            Dingjia.setText( String.valueOf( Integer.parseInt(Dingjia.getText())*10 +2));
    }//GEN-LAST:event_jButton2ActionPerformed

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
 if(Integer.parseInt(Now.getText())<100)
       Now.setText( String.valueOf( Integer.parseInt(Now.getText())*10+1 ));
 if(DjCheck.isSelected())
       if(Integer.parseInt(Dingjia.getText())<100)
            Dingjia.setText( String.valueOf( Integer.parseInt(Dingjia.getText())*10 +1));
    }//GEN-LAST:event_jButton1ActionPerformed

    private void jButton25MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButton25MouseClicked
        this.setVisible(false);
            Right.main(null);        
    }//GEN-LAST:event_jButton25MouseClicked
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new Spend(new javax.swing.JFrame(), true).setVisible(true);
            }
        });
    }
    
    // 变量声明 - 不进行修改//GEN-BEGIN:variables
    private javax.swing.JTextField Dingjia;
    private javax.swing.JCheckBox DjCheck;
    private javax.swing.JTextField Ids;
    private javax.swing.JTextField Jisuan;
    private javax.swing.JTextField Now;
    private javax.swing.JTextField Op;
    private javax.swing.JTextField Sum;
    private javax.swing.JLabel XFWB;
    private javax.swing.JLabel XFWB1;
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton10;
    private javax.swing.JButton jButton11;
    private javax.swing.JButton jButton12;
    private javax.swing.JButton jButton13;
    private javax.swing.JButton jButton14;
    private javax.swing.JButton jButton15;
    private javax.swing.JButton jButton16;
    private javax.swing.JButton jButton17;
    private javax.swing.JButton jButton18;
    private javax.swing.JButton jButton19;
    private javax.swing.JButton jButton2;
    private javax.swing.JButton jButton20;
    private javax.swing.JButton jButton21;
    private javax.swing.JButton jButton22;
    private javax.swing.JButton jButton23;
    private javax.swing.JButton jButton24;
    private javax.swing.JButton jButton25;
    private javax.swing.JButton jButton26;
    private javax.swing.JButton jButton27;
    private javax.swing.JButton jButton3;
    private javax.swing.JButton jButton4;
    private javax.swing.JButton jButton5;
    private javax.swing.JButton jButton6;
    private javax.swing.JButton jButton7;
    private javax.swing.JButton jButton8;
    private javax.swing.JButton jButton9;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JPanel jPanel3;
    private javax.swing.JButton xiaofeiB;
    // 变量声明结束//GEN-END:variables
    
class Task extends TimerTask {
    public void run(){
       
       Spend.main(null)       ;
    }
}
}