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)&&sum1>=200) {

part12.add(new JLabel("消费达200元发放一张会员卡"));

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",Spinsum5);

label26.setText(str26); part26.add(label26);

final JLabel label27=new JLabel();

part27.add(new JLabel("消费人次"));

String str27 = String.format("%04d",huiyuansum);

label27.setText(str27); part27.add(label27);

button5.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){

sum2=0; Spinsum1=0; Spinsum2=0; Spinsum3=0;

Spinsum4=0; Spinsum5=0; huiyuansum=0;

label21.setText("0000");label22.setText("0000");label23.setText("0000");

label24.setText("0000");label25.setText("0000");label26.setText("0000");

label27.setText("0000");

}

});

duoxP.add(part21);duoxP.add(part22);duoxP.add(part23);duoxP.add(part24);

duoxP.add(part25);duoxP.add(part26); duoxP.add(part27);duoxP.add(button5);

}

});

return panel;

}

}