目次
4. POSクラスとPOSJFrameクラス：GUIフォームと関連コンポーネントを設定します
1.実行中のプログラムのスクリーンショット
2.MemberCard本体とテストテストクラス
//MemberCard主体
package membercarddemoapp;
import pospackage.POSJFrame;
/**
*
* @author 张阵涛
*/
public class MemberCardDemoApp {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
POSJFrame pOSJFrame=new POSJFrame();
pOSJFrame.setVisible(true);
}
}
//Test测试类，可更改卡内金额
package membercarddemoapp;
import membercarddemoapp.cardpackage.MemberCard;
import membercarddemoapp.cardpackage.SuperVIPCard;
import membercarddemoapp.cardpackage.VIPCard;
/**
*
* @author 张阵涛
*/
public class Test {
public static MemberCard membeerCard=new MemberCard("会员卡",500);
public static VIPCard vIPCard=new VIPCard("VIP卡",1000);
public static SuperVIPCard superVIPCard=new SuperVIPCard("超级VIP卡",2000);
}
3.さまざまなカードタイプ
//Card父类
package membercarddemoapp.cardpackage;
/**
*
* @author 张阵涛
*/
public abstract class Card {
String type;
float amount;
public Card(){
}
public Card(String type){
this.type=type;
}
public Card(String type, float amount) {
this.type = type;
this.amount = amount;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public float getAmount() {
return amount;
}
public void setAmount(float amount) {
this.amount = amount;
}
public abstract float shouldPay(float totalPrice);
public boolean consume(float totalPrice){
if(this.amount>=this.shouldPay(totalPrice))
{
this.amount=amount-this.shouldPay(totalPrice);
return true;
}
else
{
return false;
}
}
}
//普通购物卡
package membercarddemoapp.cardpackage;
/**
*
* @author 张阵涛
*/
public class MemberCard extends Card
{
public MemberCard() {
this.type="MenberCard";
}
public MemberCard(String type, float amount) {
super(type, amount);
}
@Override
public float shouldPay(float totalPrice) {
return totalPrice*0.9f;
}
}
//vip购物卡
package membercarddemoapp.cardpackage;
/**
*
* @author 张阵涛
*/
public class VIPCard extends Card{
public VIPCard(){
this.type="VIPCard";
}
public VIPCard(String type, float amount) {
super(type, amount);
}
@Override
public float shouldPay(float totalPrice) {
return totalPrice*0.7f;
}
}
//超级VIP购物卡
package membercarddemoapp.cardpackage;
/**
*
* @author 张阵涛
*/
public class SuperVIPCard extends Card{
public SuperVIPCard() {
this.type="SuperVIPCard";
}
public SuperVIPCard(String type, float amount) {
super(type, amount);
}
@Override
public float shouldPay(float totalPrice) {
return totalPrice*0.5f;
}
}
4. POSクラスとPOSJFrameクラス：GUIフォームと関連コンポーネントを設定します
package pospackage;
import membercarddemoapp.Test;
import membercarddemoapp.cardpackage.Card;
/**
*
* @author 张阵涛
*/
public class POSJFrame extends javax.swing.JFrame {
private Card card;
/**
* Creates new form POSJFrame
*/
public POSJFrame() {
initComponents();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jTextField1 = new javax.swing.JTextField();
jTextField2 = new javax.swing.JTextField();
jRadioButton1 = new javax.swing.JRadioButton();
jRadioButton2 = new javax.swing.JRadioButton();
jRadioButton3 = new javax.swing.JRadioButton();
jButton1 = new javax.swing.JButton();
jLabelType = new javax.swing.JLabel();
jLabelResult = new javax.swing.JLabel();
jLabelAmount = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jLabel1.setText("消费的总金额=");
jLabel2.setText("消费的应付金额=");
jTextField1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jTextField1ActionPerformed(evt);
}
});
jRadioButton1.setText("普通购物卡");
jRadioButton1.addItemListener(new java.awt.event.ItemListener() {
public void itemStateChanged(java.awt.event.ItemEvent evt) {
jRadioButton1ItemStateChanged(evt);
}
});
jRadioButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jRadioButton1ActionPerformed(evt);
}
});
jRadioButton2.setText("VIP购物卡");
jRadioButton2.addItemListener(new java.awt.event.ItemListener() {
public void itemStateChanged(java.awt.event.ItemEvent evt) {
jRadioButton2ItemStateChanged(evt);
}
});
jRadioButton3.setText("超级VIP会员卡");
jRadioButton3.addItemListener(new java.awt.event.ItemListener() {
public void itemStateChanged(java.awt.event.ItemEvent evt) {
jRadioButton3ItemStateChanged(evt);
}
});
jButton1.setText("刷卡消费");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jLabelType.setText("卡类型");
jLabelResult.setText("刷卡的结果");
jLabelAmount.setText("当前金额");
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap(97, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jButton1)
.addComponent(jLabelResult))
.addGap(92, 92, 92)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabelAmount)
.addComponent(jLabelType))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED))
.addGroup(layout.createSequentialGroup()
.addGap(69, 69, 69)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel1)
.addComponent(jLabel2))
.addGap(22, 22, 22)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jTextField1, javax.swing.GroupLayout.DEFAULT_SIZE, 90, Short.MAX_VALUE)
.addComponent(jTextField2))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jRadioButton3)
.addComponent(jRadioButton1)
.addComponent(jRadioButton2)))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(38, 38, 38)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jRadioButton1))
.addGap(28, 28, 28)
.addComponent(jRadioButton2)
.addGap(29, 29, 29)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jRadioButton3))
.addGap(65, 65, 65)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton1)
.addComponent(jLabelType))
.addGap(66, 66, 66)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabelResult)
.addComponent(jLabelAmount))
.addContainerGap(73, Short.MAX_VALUE))
);
pack();
}// </editor-fold>
private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
private void jRadioButton1ItemStateChanged(java.awt.event.ItemEvent evt) {
// TODO add your handling code here:
card=Test.membeerCard;
}
private void jRadioButton2ItemStateChanged(java.awt.event.ItemEvent evt) {
// TODO add your handling code here:
card=Test.vIPCard;
}
private void jRadioButton3ItemStateChanged(java.awt.event.ItemEvent evt) {
// TODO add your handling code here:
card=Test.superVIPCard;
}
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
float totalPrice=Float.parseFloat(this.jTextField1.getText().trim());
jTextField2.setText(card.shouldPay(totalPrice)+"");
boolean result=POS.slide(card, totalPrice);
this.jLabelType.setText(card.getType());
this.jLabelAmount.setText(card.getAmount()+"");
if(result)
{
this.jLabelResult.setText("消费成功！");
}
else
{
this.jLabelResult.setText("余额不足，消费失败！");
}
}
private void jRadioButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(POSJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(POSJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(POSJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(POSJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new POSJFrame().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JButton jButton1;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabelAmount;
private javax.swing.JLabel jLabelResult;
private javax.swing.JLabel jLabelType;
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;
// End of variables declaration
}
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