java简单的自动售货机？
要求
1 用java编写图形化界面，标出饮料的价格
2 可供选择的饮料可乐，芬达，红茶，绿茶，可以投入的钱只有1元和5元
3 管理员输入密码可以查看售货机余额并向售货机内加钱，用户不用输入密码可以查看商品剩余
4 用户可以选择退款
增加了修改商品数量功能。
http://blog.csdn.net/tutngfei1129287460/article/details/6647230
对不起，这个我也看到了，可视化界面过于简单，不能总是使用提示窗口，并且提示窗口点击叉号后，还会报错
完整程序
http://download.csdn.net/detail/reneeyyy18/3277466
http://www.doc88.com/p-7012017913540.html
只是一个例程，自己动手根据自己的具体实际的要求对应改改就好了！不要做伸手党~~
多测试一下吧。有问题反馈给我。
登录之后显示管理员界面，如下所示：
代码如下：
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Image;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
import javax.swing.border.CompoundBorder;
import javax.swing.border.LineBorder;
import javax.swing.border.TitledBorder;
/**
* 自动售货机 功能说明：
* <ol>
* <li>点击图片或图片下方的购买复选框进行商品的选择或取消选择，商品数量小于等于0时无法选择；</li>
* <li>点击“投入一元”或“投入五元”按钮模拟投入钱操作；</li>
* <li>点击“购买”按钮完成购买，当投入钱数少于购买商品需要的钱数时购买不成功，当系统零钱不够找零时购买不成功；</li>
* <li>点击“退款”按钮完成退款；</li>
* <li>点击“查看”按钮可以查看所有商品的剩余数量，显示五秒后会关闭显示；</li>
* <li>
* 点击“登录”按钮弹出登录管理员需要的密码输入框，输入ADMIN后可以进入管理员页面，管理员页面可以查看系统总余额，系统一元数量和五元数量
* ，同时可以手动更新一元和五元的数量，完成添加操作；</li>
* </ol>
* <p>
* <h4>注意在运行之前修改图片路径</h4>
*
* @author th
*/
public class AutoSaleMachine extends JFrame {
private static final long serialVersionUID = 6576104659382463412L;
private static final String ADMIN = "ADMIN"; // 管理员密码
// 初始化所有商品的名字
private static final String NAME_COKE = "可口可乐";
private static final String NAME_FANTA = "芬达";
private static final String NAME_RTEA = "红茶";
private static final String NAME_GTEA = "绿茶";
// 初始化所有商品的价格
private static final int PRICE_COKE = 3;
private static final int PRICE_FANTA = 2;
private static final int PRICE_RTEA = 4;
private static final int PRICE_GTEA = 5;
// 初始化所有商品的ID，没有多少用
private static final int ID_COKE = 1;
private static final int ID_FANTA = 2;
private static final int ID_RTEA = 3;
private static final int ID_GTEA = 4;
// 初始化所有商品数量
private static int COUNT_COKE = 10;
private static int COUNT_FANTA = 1;
private static int COUNT_RTEA = 30;
private static int COUNT_GTEA = 2;
private String img_coke = "photos/coke.jpg";
private String img_fanta = "photos/fanta.jpg";
private String img_rtea = "photos/rtea.jpg";
private String img_gtea = "photos/gtea.jpg";
private int cokeCount;
private int fantaCount;
private int rteaCount;
private int gteaCount;
private int userMoneySum; // 用户投入的钱数
private int userOneCount; // 用户一元计数
private int userFiveCount; // 用户五元计数
private int sysMoneySum; // 系统的总钱数
private int sysOneCount = 1; // 系统一元计数
private int sysFiveCount = 20; // 系统五元计数
private JTextField txt_UserMoney;
private JButton btn_UserFive;
private JButton btn_UserOne;
private GoodPanel gp_coke;
private GoodPanel gp_fanta;
private GoodPanel gp_rtea;
private GoodPanel gp_gtea;
private JButton btn_Show;
private JButton btn_Buy;
private JButton btn_Cancle;
private JButton btn_Admin;
private JPanel panel_Admin;
private JLabel label;
private JTextField txt_SysSum;
private JLabel label_1;
private JTextField txt_SysOne;
private JLabel lblNewLabel;
private JTextField txt_SysFive;
private JButton btn_Save;
private JButton btn_Logout;
public AutoSaleMachine() {
setTitle("\u81EA\u52A9\u552E\u8D27\u673A");
GridBagLayout gridBagLayout = new GridBagLayout();
gridBagLayout.columnWidths = new int[] { 0, 0 };
gridBagLayout.rowHeights = new int[] { 0, 0, 0, 0 };
gridBagLayout.columnWeights = new double[] { 1.0, Double.MIN_VALUE };
gridBagLayout.rowWeights = new double[] { 1.0, 0.0, 0.0,
Double.MIN_VALUE };
getContentPane().setLayout(gridBagLayout);
JPanel panel_Good = new JPanel();
GridBagConstraints gbc_panel_Good = new GridBagConstraints();
gbc_panel_Good.insets = new Insets(0, 0, 5, 0);
gbc_panel_Good.fill = GridBagConstraints.BOTH;
gbc_panel_Good.gridx = 0;
gbc_panel_Good.gridy = 0;
getContentPane().add(panel_Good, gbc_panel_Good);
GridBagLayout gbl_panel_Good = new GridBagLayout();
gbl_panel_Good.columnWidths = new int[] { 230, 230, 0 };
gbl_panel_Good.rowHeights = new int[] { 0, 0, 0 };
gbl_panel_Good.columnWeights = new double[] { 0.5, 0.5,
Double.MIN_VALUE };
gbl_panel_Good.rowWeights = new double[] { 0.5, 0.5, Double.MIN_VALUE };
panel_Good.setLayout(gbl_panel_Good);
gp_coke = new GoodPanel(img_coke, PRICE_COKE, NAME_COKE, ID_COKE,
COUNT_COKE);
GridBagConstraints gbc_gp_coke = new GridBagConstraints();
gbc_gp_coke.insets = new Insets(5, 5, 5, 5);
gbc_gp_coke.fill = GridBagConstraints.BOTH;
gbc_gp_coke.gridx = 0;
gbc_gp_coke.gridy = 0;
panel_Good.add(gp_coke, gbc_gp_coke);
gp_fanta = new GoodPanel(img_fanta, PRICE_FANTA, NAME_FANTA, ID_FANTA,
COUNT_FANTA);
GridBagConstraints gbc_gp_fanta = new GridBagConstraints();
gbc_gp_fanta.insets = new Insets(5, 5, 5, 5);
gbc_gp_fanta.fill = GridBagConstraints.BOTH;
gbc_gp_fanta.gridx = 1;
gbc_gp_fanta.gridy = 0;
panel_Good.add(gp_fanta, gbc_gp_fanta);
gp_rtea = new GoodPanel(img_rtea, PRICE_RTEA, NAME_RTEA, ID_RTEA,
COUNT_RTEA);
GridBagConstraints gbc_gp_rtea = new GridBagConstraints();
gbc_gp_rtea.insets = new Insets(5, 5, 5, 5);
gbc_gp_rtea.fill = GridBagConstraints.BOTH;
gbc_gp_rtea.gridx = 0;
gbc_gp_rtea.gridy = 1;
panel_Good.add(gp_rtea, gbc_gp_rtea);
gp_gtea = new GoodPanel(img_gtea, PRICE_GTEA, NAME_GTEA, ID_GTEA,
COUNT_GTEA);
GridBagConstraints gbc_gp_gtea = new GridBagConstraints();
gbc_gp_gtea.insets = new Insets(5, 5, 5, 5);
gbc_gp_gtea.fill = GridBagConstraints.BOTH;
gbc_gp_gtea.gridx = 1;
gbc_gp_gtea.gridy = 1;
panel_Good.add(gp_gtea, gbc_gp_gtea);
JPanel panel_Btn = new JPanel();
GridBagConstraints gbc_panel_Btn = new GridBagConstraints();
gbc_panel_Btn.insets = new Insets(0, 0, 5, 0);
gbc_panel_Btn.fill = GridBagConstraints.HORIZONTAL;
gbc_panel_Btn.gridx = 0;
gbc_panel_Btn.gridy = 1;
getContentPane().add(panel_Btn, gbc_panel_Btn);
GridBagLayout gbl_panel_Btn = new GridBagLayout();
gbl_panel_Btn.columnWidths = new int[] { 0, 0, 0, 0, 0 };
gbl_panel_Btn.rowHeights = new int[] { 0, 0, 0 };
gbl_panel_Btn.columnWeights = new double[] { 0.25, 0.25, 0.25, 0.25,
Double.MIN_VALUE };
gbl_panel_Btn.rowWeights = new double[] { 0.0, 0.0, Double.MIN_VALUE };
panel_Btn.setLayout(gbl_panel_Btn);
JLabel lbl_UserMoney = new JLabel(
"\u6295\u5165\u91D1\u989D\uFF08\u5143\uFF09");
GridBagConstraints gbc_lbl_UserMoney = new GridBagConstraints();
gbc_lbl_UserMoney.insets = new Insets(5, 5, 5, 5);
gbc_lbl_UserMoney.gridx = 0;
gbc_lbl_UserMoney.gridy = 0;
panel_Btn.add(lbl_UserMoney, gbc_lbl_UserMoney);
txt_UserMoney = new JTextField();
txt_UserMoney.setEditable(false);
GridBagConstraints gbc_txt_UserMoney = new GridBagConstraints();
gbc_txt_UserMoney.insets = new Insets(5, 0, 5, 5);
gbc_txt_UserMoney.fill = GridBagConstraints.HORIZONTAL;
gbc_txt_UserMoney.gridx = 1;
gbc_txt_UserMoney.gridy = 0;
panel_Btn.add(txt_UserMoney, gbc_txt_UserMoney);
txt_UserMoney.setColumns(10);
btn_UserOne = new JButton("\u6295\u5165\u4E00\u5143");
GridBagConstraints gbc_btn_UserOne = new GridBagConstraints();
gbc_btn_UserOne.insets = new Insets(5, 0, 5, 5);
gbc_btn_UserOne.gridx = 2;
gbc_btn_UserOne.gridy = 0;
panel_Btn.add(btn_UserOne, gbc_btn_UserOne);
btn_UserOne.addActionListener(handler);
btn_Show = new JButton("\u67E5\u770B");
GridBagConstraints gbc_btn_Show = new GridBagConstraints();
gbc_btn_Show.insets = new Insets(0, 0, 5, 5);
gbc_btn_Show.gridx = 0;
gbc_btn_Show.gridy = 1;
panel_Btn.add(btn_Show, gbc_btn_Show);
btn_Show.addActionListener(handler);
btn_Buy = new JButton("\u8D2D\u4E70");
GridBagConstraints gbc_btn_Buy = new GridBagConstraints();
gbc_btn_Buy.insets = new Insets(0, 0, 5, 5);
gbc_btn_Buy.gridx = 1;
gbc_btn_Buy.gridy = 1;
panel_Btn.add(btn_Buy, gbc_btn_Buy);
btn_Buy.addActionListener(handler);
btn_UserFive = new JButton("\u6295\u5165\u4E94\u5143");
GridBagConstraints gbc_btn_UserFive = new GridBagConstraints();
gbc_btn_UserFive.insets = new Insets(5, 0, 5, 0);
gbc_btn_UserFive.gridx = 3;
gbc_btn_UserFive.gridy = 0;
panel_Btn.add(btn_UserFive, gbc_btn_UserFive);
btn_UserFive.addActionListener(handler);
btn_Cancle = new JButton("\u9000\u6B3E");
GridBagConstraints gbc_btn_Cancle = new GridBagConstraints();
gbc_btn_Cancle.insets = new Insets(0, 0, 5, 5);
gbc_btn_Cancle.gridx = 2;
gbc_btn_Cancle.gridy = 1;
panel_Btn.add(btn_Cancle, gbc_btn_Cancle);
btn_Cancle.addActionListener(handler);
btn_Admin = new JButton("\u767B\u5F55");
GridBagConstraints gbc_btn_Admin = new GridBagConstraints();
gbc_btn_Admin.insets = new Insets(0, 0, 5, 0);
gbc_btn_Admin.gridx = 3;
gbc_btn_Admin.gridy = 1;
panel_Btn.add(btn_Admin, gbc_btn_Admin);
btn_Admin.addActionListener(handler);
panel_Admin = new JPanel();
panel_Admin.setBorder(new TitledBorder(null,
"\u7BA1\u7406\u5458\u754C\u9762", TitledBorder.LEADING,
TitledBorder.TOP, null, null));
GridBagConstraints gbc_panel_Admin = new GridBagConstraints();
gbc_panel_Admin.fill = GridBagConstraints.BOTH;
gbc_panel_Admin.gridx = 0;
gbc_panel_Admin.gridy = 2;
getContentPane().add(panel_Admin, gbc_panel_Admin);
GridBagLayout gbl_panel_Admin = new GridBagLayout();
gbl_panel_Admin.columnWidths = new int[] { 130, 230, 0 };
gbl_panel_Admin.rowHeights = new int[] { 0, 0, 0, 0, 0 };
gbl_panel_Admin.columnWeights = new double[] { 0.0, 0.5,
Double.MIN_VALUE };
gbl_panel_Admin.rowWeights = new double[] { 0.0, 0.0, 0.0, 0.0,
Double.MIN_VALUE };
panel_Admin.setLayout(gbl_panel_Admin);
label = new JLabel("\u7CFB\u7EDF\u603B\u4F59\u989D\uFF1A");
GridBagConstraints gbc_label = new GridBagConstraints();
gbc_label.insets = new Insets(0, 0, 5, 5);
gbc_label.anchor = GridBagConstraints.EAST;
gbc_label.gridx = 0;
gbc_label.gridy = 0;
panel_Admin.add(label, gbc_label);
txt_SysSum = new JTextField();
txt_SysSum.setEditable(false);
GridBagConstraints gbc_txt_SysSum = new GridBagConstraints();
gbc_txt_SysSum.insets = new Insets(0, 0, 5, 0);
gbc_txt_SysSum.fill = GridBagConstraints.HORIZONTAL;
gbc_txt_SysSum.gridx = 1;
gbc_txt_SysSum.gridy = 0;
panel_Admin.add(txt_SysSum, gbc_txt_SysSum);
txt_SysSum.setColumns(10);
label_1 = new JLabel("\u7CFB\u7EDF\u4E00\u5143\u6570\u91CF\uFF1A");
GridBagConstraints gbc_label_1 = new GridBagConstraints();
gbc_label_1.anchor = GridBagConstraints.EAST;
gbc_label_1.insets = new Insets(0, 0, 5, 5);
gbc_label_1.gridx = 0;
gbc_label_1.gridy = 1;
panel_Admin.add(label_1, gbc_label_1);
txt_SysOne = new JTextField();
GridBagConstraints gbc_txt_SysOne = new GridBagConstraints();
gbc_txt_SysOne.insets = new Insets(0, 0, 5, 0);
gbc_txt_SysOne.fill = GridBagConstraints.HORIZONTAL;
gbc_txt_SysOne.gridx = 1;
gbc_txt_SysOne.gridy = 1;
txt_SysOne.setToolTipText("可以输入修改的数量，点击保存按钮完成系统中一元数量的修改。");
panel_Admin.add(txt_SysOne, gbc_txt_SysOne);
txt_SysOne.setColumns(10);
lblNewLabel = new JLabel("\u7CFB\u7EDF\u4E94\u5143\u6570\u91CF\uFF1A");
GridBagConstraints gbc_lblNewLabel = new GridBagConstraints();
gbc_lblNewLabel.anchor = GridBagConstraints.EAST;
gbc_lblNewLabel.insets = new Insets(0, 0, 5, 5);
gbc_lblNewLabel.gridx = 0;
gbc_lblNewLabel.gridy = 2;
panel_Admin.add(lblNewLabel, gbc_lblNewLabel);
txt_SysFive = new JTextField();
GridBagConstraints gbc_txt_SysFive = new GridBagConstraints();
gbc_txt_SysFive.insets = new Insets(0, 0, 5, 0);
gbc_txt_SysFive.fill = GridBagConstraints.HORIZONTAL;
gbc_txt_SysFive.gridx = 1;
gbc_txt_SysFive.gridy = 2;
txt_SysFive.setToolTipText("可以输入修改的数量，点击保存按钮完成系统中一元数量的修改。");
panel_Admin.add(txt_SysFive, gbc_txt_SysFive);
txt_SysFive.setColumns(10);
btn_Save = new JButton("\u4FDD\u5B58");
GridBagConstraints gbc_btn_Save = new GridBagConstraints();
gbc_btn_Save.insets = new Insets(0, 0, 0, 5);
gbc_btn_Save.gridx = 0;
gbc_btn_Save.gridy = 3;
panel_Admin.add(btn_Save, gbc_btn_Save);
btn_Save.addActionListener(handler);
btn_Logout = new JButton("\u9000\u51FA");
GridBagConstraints gbc_btn_Logout = new GridBagConstraints();
gbc_btn_Logout.gridx = 1;
gbc_btn_Logout.gridy = 3;
panel_Admin.add(btn_Logout, gbc_btn_Logout);
btn_Logout.addActionListener(handler);
panel_Admin.setVisible(false);
}
/**
* 响应按钮事件
*/
private ActionListener handler = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (e.getSource() == btn_UserOne) {
userOneCount++;
updateUserMoney();
} else if (e.getSource() == btn_UserFive) {
userFiveCount++;
updateUserMoney();
} else if (e.getSource() == btn_Buy) {
// 购买
// 获取购买的商品总价，如果总价大于输入的钱数，提示用户继续投入钱
int needSum = getGoodSum();
if (needSum > userMoneySum) {
JOptionPane.showMessageDialog(null, "投入的金额小于需要购买商品的总价，请再投入"
+ (needSum - userMoneySum) + "元或取消一些商品。");
reinitGoodCount();
return;
} else {
// 计算需要找零的钱数
int remain = userMoneySum - needSum;
int remainFiveCount = remain / 5;
int remainOneCount = remain % 5;
// 修改系统钱数和计数
int sysRemain = sysOneCount + userOneCount - remainOneCount;
if (sysRemain < 0) {
JOptionPane.showMessageDialog(null,
"抱歉，系统中没有足够的零钱，请修改够买商品或退款后使用零钱购买。");
return;
}
sysOneCount = sysRemain;
sysFiveCount = sysFiveCount + userFiveCount
- remainFiveCount;
sysMoneySum = sysOneCount + sysFiveCount * 5;
// 修改商品的总数
updateGoodCount();
// 输出购买的商品和找零的钱数
String result = getBuyResult(remain);
JOptionPane.showMessageDialog(null, result);
// 设置初始状态
reinit();
pnlAdminUpdate();
}
} else if (e.getSource() == btn_Cancle) {
// 退款
updateUserMoney();
if (userMoneySum > 0) {
String remainResult = getRemianResult();
JOptionPane.showMessageDialog(null, remainResult);
reinit();
} else {
JOptionPane.showMessageDialog(null, "您投入的钱数为0，无法进行退款操作。");
}
} else if (e.getSource() == btn_Show) {
// 显示剩余商品数目
showGoodCount();
} else if (e.getSource() == btn_Admin) {
String input = JOptionPane.showInputDialog("请输入管理员密码，区分大小写。");
if (ADMIN.equals(input)) {
// 登录成功，显示管理员面板
pnlAdminUpdate();
panel_Admin.setVisible(true);
repaint();
} else {
JOptionPane.showMessageDialog(null, "您输入的密码错误，无法进入管理员页面。");
}
} else if (e.getSource() == btn_Save) {
String oneStr = txt_SysOne.getText();
int one = Integer.parseInt(oneStr);
String fiveStr = txt_SysOne.getText();
int five = Integer.parseInt(fiveStr);
sysOneCount = one;
sysFiveCount = five;
sysMoneySum = sysOneCount + sysFiveCount * 5;
JOptionPane.showMessageDialog(null, "修改成功，系统中的总余额为："
+ sysMoneySum + "元。");
txt_SysSum.setText(sysMoneySum + "");
} else if (e.getSource() == btn_Logout) {
panel_Admin.setVisible(false);
repaint();
}
}
};
/**
* 更新管理员面板信息
*/
private void pnlAdminUpdate() {
txt_SysOne.setText(sysOneCount + "");
txt_SysFive.setText(sysFiveCount + "");
txt_SysSum.setText((sysOneCount + sysFiveCount * 5) + "");
}
/**
* 显示商品数量
*/
protected void showGoodCount() {
gp_coke.showRemain();
gp_fanta.showRemain();
gp_rtea.showRemain();
gp_gtea.showRemain();
}
/**
* 获取退款结果
*
* @return
*/
protected String getRemianResult() {
StringBuffer sb = new StringBuffer();
sb.append("退款成功。您取回");
if (userOneCount > 0) {
sb.append(userOneCount).append("个一元硬币；");
}
if (userFiveCount > 0) {
sb.append(userFiveCount).append("张五元纸币；");
}
return sb.toString();
}
/**
* 获取购买的商品描述
*
* @param remain
* @return
*/
protected String getBuyResult(int remain) {
StringBuffer sb = new StringBuffer();
sb.append("购买成功。您购买了");
if (cokeCount > 0) {
sb.append(cokeCount).append("瓶").append(NAME_COKE).append("；");
}
if (fantaCount > 0) {
sb.append(fantaCount).append("瓶").append(NAME_FANTA).append("；");
}
if (rteaCount > 0) {
sb.append(rteaCount).append("瓶").append(NAME_RTEA).append("；");
}
if (gteaCount > 0) {
sb.append(gteaCount).append("瓶").append(NAME_GTEA).append("；");
}
if (remain > 0) {
sb.append("并找您" + remain + "元。");
}
return sb.toString();
}
/**
* 更新商品数量
*/
protected void updateGoodCount() {
if (cokeCount > 0) {
COUNT_COKE -= cokeCount;
gp_coke.setGoodCount(COUNT_COKE);
gp_coke.reInit();
}
if (fantaCount > 0) {
COUNT_FANTA -= fantaCount;
gp_fanta.setGoodCount(COUNT_FANTA);
gp_fanta.reInit();
}
if (rteaCount > 0) {
COUNT_RTEA -= rteaCount;
gp_rtea.setGoodCount(COUNT_RTEA);
gp_rtea.reInit();
}
if (gteaCount > 0) {
COUNT_GTEA -= gteaCount;
gp_gtea.setGoodCount(COUNT_GTEA);
gp_gtea.reInit();
}
}
/**
* 设置商品选中数为0，并初始化投入钱数等于0；
*/
protected void reinit() {
reinitGoodCount();
userOneCount = 0;
userFiveCount = 0;
userMoneySum = 0;
txt_UserMoney.setText(0 + "");
}
/**
* 重新设置商品的选择数量为0
*/
protected void reinitGoodCount() {
cokeCount = 0;
fantaCount = 0;
rteaCount = 0;
gteaCount = 0;
}
/**
* 获取购买商品需要的总钱数
*
* @return
*/
protected int getGoodSum() {
int sum = 0;
if (gp_coke.isSelected()) {
cokeCount++;
sum += cokeCount * PRICE_COKE;
}
if (gp_fanta.isSelected()) {
fantaCount++;
sum += fantaCount * PRICE_FANTA;
}
if (gp_rtea.isSelected()) {
rteaCount++;
sum += rteaCount * PRICE_RTEA;
}
if (gp_gtea.isSelected()) {
gteaCount++;
sum += gteaCount * PRICE_GTEA;
}
return sum;
}
/**
* 更新用户投入的钱数
*/
protected void updateUserMoney() {
userMoneySum = (userOneCount + userFiveCount * 5);
txt_UserMoney.setText(userMoneySum + "");
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
AutoSaleMachine asm = new AutoSaleMachine();
asm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
asm.setSize(500, 600);
asm.setResizable(false);
asm.setLocationRelativeTo(null);
asm.setVisible(true);
}
});
}
}
/**
* @author th 商品面板，包含商品的图片和名称，以及是否选中的复选框
*/
class GoodPanel extends JPanel {
/**
*
*/
private static final long serialVersionUID = 4364216395712746083L;
private static final String MONEY_UNIT = "元";
private static final String TIP = "单击图片可以选择购买或者取消购买";
private String picPath;
private String name;
private JTextField txt_Price;
private int price;
private JLabel lbl_Pic;
private JCheckBox cbox_Select;
private int goodId;
private int goodCount;
private JLabel lbl_Remain;
private JTextField txt_Remain;
GoodPanel(String picPath, int price, String name, int goodId, int goodCount) {
this.picPath = picPath;
this.price = price;
this.name = name;
this.goodId = goodId;
this.goodCount = goodCount;
this.setBorder(new CompoundBorder(null, new LineBorder(new Color(255,
0, 0), 2)));
this.setLayout(new BorderLayout(0, 0));
lbl_Pic = new JLabel();
this.add(lbl_Pic, BorderLayout.CENTER);
lbl_Pic.setToolTipText(TIP);
// 单击图片可以选择购买或者取消购买；
lbl_Pic.addMouseListener(mouseAdapter);
JPanel panel_Prop = new JPanel();
this.add(panel_Prop, BorderLayout.SOUTH);
JLabel lbl_Name = new JLabel(this.name);
panel_Prop.add(lbl_Name);
txt_Price = new JTextField();
txt_Price.setEditable(false);
panel_Prop.add(txt_Price);
txt_Price.setColumns(2);
txt_Price.setText(this.price + MONEY_UNIT);
cbox_Select = new JCheckBox("\u8D2D\u4E70");
if (this.goodCount <= 0) {
cbox_Select.setSelected(false);
}
panel_Prop.add(cbox_Select);
lbl_Remain = new JLabel("剩余：");
panel_Prop.add(lbl_Remain);
txt_Remain = new JTextField();
txt_Remain.setEditable(false);
panel_Prop.add(txt_Remain);
txt_Remain.setColumns(2);
lbl_Remain.setVisible(false);
txt_Remain.setVisible(false);
initPic();
}
/**
* 图片的响应事件
*/
MouseAdapter mouseAdapter = new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
if (goodCount > 0)
cbox_Select.setSelected(!cbox_Select.isSelected());
}
};
/**
* 设置商品数量
*
* @param goodCount
*/
public void setGoodCount(int goodCount) {
this.goodCount = goodCount;
if (this.goodCount <= 0) {
cbox_Select.setEnabled(false);
}
}
/**
* 初始化显示的商品图片
*/
private void initPic() {
if (this.picPath == null) {
return;
}
new Thread() {
@Override
public void run() {
int width = getWidth();
while (width == 0) {
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
width = getWidth();
}
int height = getHeight();
File input = new File(picPath);
if (!input.exists()) {
return;
}
try {
BufferedImage image = ImageIO.read(input);
ImageIcon bgIcon = new ImageIcon(image.getScaledInstance(
width, height, Image.SCALE_DEFAULT));
lbl_Pic.setIcon(bgIcon);
repaint();
} catch (IOException e) {
e.printStackTrace();
}
}
}.start();
}
/**
* 是否购买该商品
*
* @return
*/
public boolean isSelected() {
return cbox_Select.isSelected();
}
/**
* 获取商品编号
*
* @return
*/
public int getGoodId() {
return goodId;
}
/**
* 购买完毕后需要重置
*/
public void reInit() {
cbox_Select.setSelected(false);
}
/**
* 显示商品余量
*/
public void showRemain() {
new Thread() {
@Override
public void run() {
lbl_Remain.setVisible(true);
txt_Remain.setText(goodCount + "");
txt_Remain.setVisible(true);
repaint();
try {
Thread.sleep(5000);
lbl_Remain.setVisible(false);
txt_Remain.setVisible(false);
repaint();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}.start();
}
}