java-超市收银系统

package software import java awt import java awt event import javax swing class shangpin String SId String Smane int jiage public shangpin String a String b int c SId a Smane b jiage c class huiyuan String HId String Hname public huiyuan String a String b HId a Hname b public class chaoshi extends JFrame static int key 0 会员 static int sum1 0 总消费 static int sum2 0 当天合计 static int huiyuansum 0 会员人数 static int Spinsum1 0 商品 1 合计 static int Spinsum2 0 商品 2 合计 static int Spinsum3 0 商品 3 合计 static int Spinsum4 0 商品 4 合计 static int Spinsum5 0 商品 5 合计 public static void main String agrs JFrame frame new JFrame 超市 frame setSize 400 250 frame setDefaultCloseOperation JFrame EXIT ON CLOSE Container c frame getContentPane c add pan frame setVisible true static JPanel pan JPanel panel new JPanel JPanel part1 new JPanel part1 add new JLabel 会员卡号 final JTextField text1 new JTextField text1 setHorizontalAlignment JTextField RIGHT text1 setColumns 11 JButton button1 new JButton 确定 part1 add text1 part1 add button1 part1 setVisible true final JLabel JLabel00 new JLabel 非会员 part1 add JLabel00 panel add part1 JPanel part2 new JPanel part2 add new JLabel 商品代号 final JTextField text2 new JTextField text2 setHorizontalAlignment JTextField RIGHT text2 setColumns 15 JButton button2 new JButton 确定 part2 add text2 part2 add button2 panel add part2 JPanel part3 new JPanel final JLabel JLabel0 new JLabel final JLabel JLabel1 new JLabel 000 final JLabel JLabel2 new JLabel 0000 part3 add new JLabel 商品名 part3 add JLabel0 part3 add new JLabel 商品价格 part3 add JLabel1 part3 add new JLabel 元 part3 add new JLabel 总价格 part3 add JLabel2 part3 add new JLabel 元 part3 add new JLabel panel add part3 JPanel part4 new JPanel JButton button3 new JButton 结账 JButton button4 new JButton 总汇 part4 add button3 part4 add new JLabel part4 add button4 panel add part4 button1 addActionListener new ActionListener huiyuan huiyuan1 new huiyuan 00001 会员甲 huiyuan huiyuan2 new huiyuan 00002 会员乙 huiyuan huiyuan3 new huiyuan 00003 会员丙 public void actionPerformed ActionEvent e String kahao text1 getText if kahao equals huiyuan1 HId JLabel00 setText huiyuan1 Hname key 1 if kahao equals huiyuan2 HId JLabel00 setText huiyuan2 Hname key 1 if kahao equals huiyuan3 HId JLabel00 setText huiyuan3 Hname key 1 button2 addActionListener new ActionListener shangpin shangpin1 new shangpin 001 商品 1 10 shangpin shangpin2 new shangpin 002 商品 2 11 shangpin shangpin3 new shangpin 003 商品 3 12 shangpin shangpin4 new shangpin 004 商品 4 13 shangpin shangpin5 new shangpin 005 商品 5 14 public void actionPerformed ActionEvent e String shangpinhao text2 getText if shangpinhao equals shangpin1 SId JLabel0 setText shangpin1 Smane String str String format 04d shangpin1 jiage JLabel1 setText str sum1 sum1 shangpin1 jiage sum2 sum2 shangpin1 jiage String str1 String format 04d sum1 JLabel2 setText str1 Spinsum1 if shangpinhao equals shangpin2 SId JLabel0 setText shangpin2 Smane String str String format 04d shangpin2 jiage JLabel1 setText str sum1 sum1 shangpin2 jiage sum2 sum2 shangpin2 jiage String str1 String format 04d sum1 JLabel2 setText str1 Spinsum2 if shangpinhao equals shangpin3 SId JLabel0 setText shangpin3 Smane String str String format 04d shangpin3 jiage JLabel1 setText str sum1 sum1 shangpin3 jiage sum2 sum2 shangpin3 jiage String str1 String format 04d sum1 JLabel2 setText str1 Spinsum3 if shangpinhao equals shangpin4 SId JLabel0 setText shangpin4 Smane String str String format 04d shangpin4 jiage JLabel1 setText str sum1 sum1 shangpin4 jiage sum2 sum2 shangpin4 jiage String str1 String format 04d sum1 JLabel2 setText str1 Spinsum4 if shangpinhao equals shangpin5 SId JLabel0 setText shangpin5 Smane String str String format 04d shangpin5 jiage JLabel1 setText str sum1 sum1 shangpin5 jiage sum2 sum2 shangpin5 jiage String str1 String format 04d sum1 JLabel2 setText str1 Spinsum5 button3 addActionListener new ActionListener public void actionPerformed ActionEvent e if sum1 0 huiyuansum JDialog duox new JDialog JPanel duoxP new JPanel duox getContentPane add duoxP duox setTitle 消费总额 duoxP setVisible true duoxP setLayout new GridLayout 4 1 0 0 duox setSize 200 300 duox setVisible true JPanel panel1 new JPanel JPanel part11 new JPanel JPanel part12 new JPanel String str1 String format 04d sum1 JLabel Label11 new JLabel str1 Label11 setText str1 part11 add new JLabel 消费总额 part11 add Label11 if key 1 panel1 add part12 panel1 add part11 duoxP add panel1 key 0 sum1 0 JLabel0 setText JLabel1 setText 000 JLabel2 setText 0000 JLabel00 setText 非会员 text1 setText text2 setText button4 addActionListener new ActionListener public void actionPerformed ActionEvent e JDialog duox new JDialog JPanel duoxP new JPanel duox getContentPane add duoxP duox setTitle 消费总额 duoxP setVisible true duoxP setLayout new GridLayout 8 1 0 0 duox setSize 200 400 duox setVisible true JPanel part21 new JPanel JPanel part22 new JPanel JPanel part23 new JPanel JPanel part24 new JPanel JPanel part25 new JPanel JPanel part26 new JPanel JPanel part27 new JPanel JButton button5 new JButton 全部清零 final JLabel label21 new JLabel part21 add new JLabel 总消费额 String str21 String format 04d sum2 label21 setText str21 part21 add label21 final JLabel label22 new JLabel part22 add new JLabel 商品 1 消费量 String str22 String format 04d Spinsum1 label22 setText str22 part22 add label22 final JLabel label23 new JLabel part23 add new JLabel 商品 2 消费量 String str23 String format 04d Spinsum2 label23 setText str23 part23 add label23 final JLabel label24 new JLabel part24 add new JLabel 商品 3 消费量 String str24 String format 04d Spinsum3 label24 setText str24 part24 add label24 final JLabel label25 new JLabel part25 add new JLabel 商品 4 消费量 String str25 String format 04d Spinsum4 label25 setText str25 part25 add label25 final JLabel label26 new JLabel part26 add new JLabel 商品 5 消费量 String str26 String format 04d