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 JLa...