简单的超市管理系统
代码分析
Customer.java
1 package test;
2
3 public class Customer {
4
5 private String name;
6 private int customerType;
7
8 @Override
9 public String toString() {
10 return "顾客姓名：" + name + "\n 会员级别=" + customerType
11 + "\n";
12 }
13
14 public Customer(String name, int customerType) {
15 super();
16 this.name = name;
17 this.customerType = customerType;
18 }
19 public String getName() {
20 return name;
21 }
22 public void setName(String name) {
23 this.name = name;
24 }
25 public int getCustomerType() {
26 return customerType;
27 }
28 public void setCustomerType(int customerType) {
29 this.customerType = customerType;
30 }
31
32
33
34 }
View Code
Order.java
1 package test;
2
3 import java.util.Arrays;
4
5 public class Order {
6 private Customer cus;
7 private Product[] pros;
8
9
10 public Order(Customer cus, Product[] pros) {
11 super();
12 this.cus = cus;
13 this.pros = pros;
14 }
15
16
17
18 public double getCustomerMoney()
19 {
20 double money = 0.0;
21 for(Product pro:pros)
22 {
23 if(!pro.isOnSale())
24 {
25 if(cus.getCustomerType() == Type.Customer_GOLEAN)
26 {
27 money = pro.getSumMoney() * 0.96;
28 }else{
29 money = pro.getSumMoney() ;
30 }
31 }
32 else if(cus.getCustomerType() == Type.Customer_Common)
33 {
34 money = pro.getSumMoney() * 0.99 ;
35 }
36 else if(cus.getCustomerType() == Type.Customer_PRIVARY)
37 {
38 money = pro.getSumMoney() * 0.98;
39 }
40 else if(cus.getCustomerType() == Type.Customer_ADVANCE)
41 {
42 money = pro.getSumMoney() * 0.97;
43 }else if(cus.getCustomerType() == Type.Customer_GOLEAN)
44 {
45 money = pro.getSumMoney() * 0.96;
46 }
47 }
48 return money;
49 }
50
51
52 public Customer getCus() {
53 return cus;
54 }
55 public void setCus(Customer cus) {
56 this.cus = cus;
57 }
58 public Product[] getPros() {
59 return pros;
60 }
61 public void setPros(Product[] pros) {
62 this.pros = pros;
63 }
64 @Override
65 public String toString() {
66 String str = null;
67 for(Product pro:pros)
68 {
69 str = "======================================\n" +
70 "顾客信息：" + cus.toString() + "\n" +
71 "-------------------------------\n" +
72 "商品信息：" + pro.toString() + "\n" +
73 "商品原价：" + pro.getSumMoney() +"\n" +
74 "会员价格："+ this.getCustomerMoney() + "\n" +
75 "======================================\n";
76 }
77 return str;
78 }
79
80
81 }
View Code
Product.java
1 package test;
2
3 public class Product {
4
5 private String name;
6 private double price;
7 private int num;
8 private boolean onSale;
9
10 public Product(String name, double price, int num, boolean onSale) {
11 super();
12 this.name = name;
13 this.price = price;
14 this.num = num;
15 this.onSale = onSale;
16 }
17
18 public double getSumMoney()
19 {
20 return this.price * this.num;
21 }
22
23 @Override
24 public String toString() {
25 return "商品名称：" + name + "\n 商品价格：" + price + "\n 商品数量：" + num
26 + "\n 是否促销：" + onSale + "\n";
27 }
28
29
30 public String getName() {
31 return name;
32 }
33 public void setName(String name) {
34 this.name = name;
35 }
36 public double getPrice() {
37 return price;
38 }
39 public void setPrice(double price) {
40 this.price = price;
41 }
42 public int getNum() {
43 return num;
44 }
45 public void setNum(int num) {
46 this.num = num;
47 }
48 public boolean isOnSale() {
49 return onSale;
50 }
51 public void setOnSale(boolean onSale) {
52 this.onSale = onSale;
53 }
54
55 }
View Code
Type.java
1 package test;
2
3 public class Type {
4
5 public static int Customer_Common = 1;
6 public static int Customer_PRIVARY = 2;
7 public static int Customer_ADVANCE = 3;
8 public static int Customer_GOLEAN = 4;
9
10 public static int PRODUCT_ON_SALE = 5;
11 public static int PRODUCT_NOT_SALE = 6;
12 }
View Code
Test.java
1 package test;
2
3 public class Test {
4
5 public static void main(String[] args) {
6 // TODO 自动生成的方法存根
7 Product pro = new Product("小米",12.2, 4,false);
8 Product pro1 = new Product("黄瓜",1.2, 6,false);
9 Product pro2 = new Product("香蕉",2.2, 14,true);
10 Product pro3 = new Product("果汁",7.8, 7,false);
11 Product pro4 = new Product("面包",22.4, 5,true);
12
13 Customer cus = new Customer("小明",1);
14 Customer cus1 = new Customer("小白",2);
15 Customer cus2 = new Customer("小王",3);
16
17 Customer cus3 = new Customer("小贵",4);
18
19 Order oder = new Order(cus, new Product[]{pro, pro4});
20 Order oder1 = new Order(cus1, new Product[]{pro2, pro3});
21 Order oder2 = new Order(cus2, new Product[]{pro1, pro3});
22 Order oder3 = new Order(cus3, new Product[]{pro, pro4,pro2});
23
24 System.out.println(oder.toString());
25 System.out.println(oder1.toString());
26 System.out.println(oder2.toString());
27 System.out.println(oder3.toString());
28 }
29
30 }
View Code
程序截图
源码下载
作者：小a玖拾柒
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个性签名: 所有的事情到最後都是好的，如果不好，那說明事情還沒有到最後～
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