Java實現寵物商店管理系統
阿新 • • 發佈:2020-10-30
本文例項為大家分享了Java實現寵物商店管理系統的具體程式碼,供大家參考,具體內容如下
一、實驗目的
1.掌握java類的繼承、多型等的基本概念;
2.掌握簡單的資訊管理系統的設計與實現。
二、實驗環境
實驗建議在安裝了以下軟體的計算機上完成:
1. Windows xp/win7/win8/win10作業系統
2. JDK 1.6以上版本
3. Eclipse或NetBeans IDE或EditPlus或其它開發工具
三、實驗內容與要求
(一) 問題描述
要求採用java面向物件的基本知識,實現寵物商店管理系統。
(二) 實驗要求
1、寵物商店有狗和貓兩種動物,請為這兩種動物建立各自的類,而且它們都繼承寵物類,為這些類定義基本的屬性和方法;
2、為寵物商店也建立一個類,該類有基本屬性,比如商店名稱等,還有寵物籠子的屬性,此外,還具備一些方法,比如:買進寵物、銷售寵物、清點寵物庫存、銷售統計和盈利情況等;
3、實現買進寵物的方法,輸入狗或貓的基本屬性和進貨價格,並把該買進的寵物放進寵物籠子;
4、實現銷售寵物的方法,輸入狗或貓的基本屬性和銷售價格,並把寵物從寵物籠子取出;
5、實現清點寵物庫存方法,列出所有庫存的寵物清單;
6、實現銷售和盈利統計,查詢所有已銷售的寵物清單,包括進貨價格和銷售價格,還有總利潤;
四、實現提示
1. 寵物籠子採用陣列實現,陣列的資料型別為寵物類;
2. 銷售清單也採用陣列實現。
五、程式碼
Pet類
public class Pets { private String color; //顏色 private int age; //年齡 private String sex; //性別 private String kind; private double inPrice; //進貨價格 private double outPrice; //銷售價格 private double profit; //盈利 public Pets(String color,int age,String sex) { this.color = color; this.age = age; this.sex = sex; } public Pets() { } public String getKind() { return kind; } public void setKind(String kind) { this.kind = kind; } public double getProfit() { return profit; } public void setProfit(double profit) { this.profit = profit; } public String getSex() { return sex; } public void setSex(String sex) { this.sex = sex; } public String getColor() { return color; } public void setColor(String color) { this.color = color; } public int getAge() { return age; } public void setAge(int age) { this.age = age; } public double getInPrice() { return inPrice; } public void setInPrice(double inPrice) { this.inPrice = inPrice; } public double getOutPrice() { return outPrice; } public void setOutPrice(double outPrice) { this.outPrice = outPrice; } }
Cat類
public class Cat extends Pets{ public Cat(String color,String sex) { super(color,age,sex); } public Cat() { } }
Dog類
public class Dog extends Pets{ public Dog(String color,sex); } public Dog() { } }
PetsStore類
import java.util.Scanner; import java.util.Date; public class PetsStore { Scanner input = new Scanner(System.in); private String name; private Cat[] cats; private Dog[] dogs; private Pets[] pets; private int dogFoot = 0; // 狗的當前長度 private int catFoot = 0; //貓的當前長度 private int petFoot = 0; private int num = 0; //庫存數量 private int inNum = 0; //進貨數量 private int outNum = 0; //銷售數量 public PetsStore(int len) { if (len > 0) { this.cats = new Cat[len]; // 開闢陣列大小 this.dogs = new Dog[len]; this.pets = new Pets[len]; } else { this.dogs = new Dog[1]; // 至少開闢一個空間 this.cats = new Cat[1]; this.pets = new Pets[1]; } } public String getName() { return name; } public void setName(String name) { this.name = name; } public void add() { // 新增的是一個寵物 System.out.println("您新增的是狗還是貓?\n" + "1.狗 2.貓"); String choice = input.next(); if(choice.equals("1")) { Dog dog = new Dog(); System.out.println("請輸入您要新增的寵物的資訊"); System.out.print("顏色:"); dog.setColor(input.next()); System.out.print("年齡:"); dog.setAge(input.nextInt()); System.out.print("性別:"); dog.setSex(input.next()); System.out.print("進貨價格:"); dog.setInPrice(input.nextDouble()); System.out.print("出售價格:"); dog.setOutPrice(input.nextDouble()); if(dogFoot < dogs.length) { dogs[dogFoot] = dog; dogFoot++; System.out.println("新增成功!"); inNum++; num++; } else { System.out.println("新增失敗!"); } } else if(choice.equals("2")) { if(catFoot < cats.length) { Cat cat = new Cat(); System.out.println("請輸入您要新增的寵物的資訊"); System.out.print("顏色:"); cat.setColor(input.next()); System.out.print("年齡:"); cat.setAge(input.nextInt()); System.out.print("性別:"); cat.setSex(input.next()); System.out.print("進貨價格:"); cat.setInPrice(input.nextDouble()); System.out.print("出售價格:"); cat.setOutPrice(input.nextDouble()); cats[catFoot] = cat; catFoot++; System.out.println("新增成功!"); inNum++; num++; } else { System.out.println("新增失敗!"); } } else { System.out.println("沒有這個選項,請重新輸入!"); } } public void print() { Date date = new Date(); System.out.println("===============寵物商店庫存清單==============="); System.out.println("*******************C A T S*******************"); System.out.println("Color Age Sex InPrice OutPrice"); for (int i = 0; i < cats.length; i++) { if (cats[i] != null) { System.out.println(cats[i].getColor() + "\t" + cats[i].getAge() + "\t" + cats[i].getSex() + "\t" + cats[i].getInPrice() + "\t" + cats[i].getOutPrice()); } } System.out.println("\n*******************D O G S*******************"); System.out.println("Color Age Sex InPrice OutPrice"); for (int i = 0; i < dogs.length; i++) { if (dogs[i] != null) { System.out.println(dogs[i].getColor() + "\t" + dogs[i].getAge() + "\t" + dogs[i].getSex() + "\t" + dogs[i].getInPrice() + "\t" + dogs[i].getOutPrice()); } } System.out.println("============================================="); System.out.println("date: " + date); } public void sell() { if(num == 0) { System.out.println("庫存為零,請及時購進寵物!\n"); } else { System.out.println("您要出售的是貓還是狗?\n" + "1.貓 2.狗"); String choice = input.next(); if(choice.equals("1")) { System.out.println("請輸入您要出售的貓的特徵"); System.out.print("顏色:"); String color1 = input.next(); System.out.print("年齡:"); int age1 = input.nextInt(); System.out.print("性別:"); String sex1 = input.next(); int i,flag = catFoot; for(i = 0; i < catFoot; i++) { if(color1.equals(cats[i].getColor()) && age1 == cats[i].getAge() && sex1.equals(cats[i].getSex())) { flag = i; break; } } if(i == catFoot) { System.out.println("查無此貓!請核對後重新輸入 \n"); sell(); } else { pets[petFoot] = cats[i]; pets[petFoot].setKind("cat"); petFoot++; for(int j = flag; j < catFoot; j++) { cats[j] = cats[j + 1]; } System.out.println("售出成功!\n"); catFoot -= 1; //不減1會報陣列越界的錯誤 outNum++; num--; } } else if(choice.equals("2")) { System.out.println("請輸入您要出售的狗的特徵"); System.out.print("顏色:"); String color1 = input.next(); System.out.print("年齡:"); int age1 = input.nextInt(); System.out.print("性別:"); String sex1 = input.next(); int i,flag = dogFoot; for(i = 0; i < dogFoot; i++) { if(color1.equals(dogs[i].getColor()) && age1 == dogs[i].getAge() && sex1.equals(dogs[i].getSex())) { flag = i; break; } } if(i == dogFoot) { System.out.println("查無此狗!請核對後重新輸入 "); sell(); } else { pets[petFoot].setKind("dog"); pets[petFoot] = dogs[i]; petFoot++; for(int j = flag; j < catFoot; j++) { dogs[j] = dogs[j + 1]; } System.out.println("售出成功!\n"); dogFoot -= 1; //不減1會報陣列越界的錯誤 outNum++; num--; } } else { System.out.println("沒有這個選項,請重新輸入!"); } } } public void note() { Date date = new Date(); System.out.println("===============寵物商店銷售記錄清單==============="); System.out.println("Kind Color Age Sex InPrice OutPrice"); for(int i = 0; i < pets.length; i++) { if(pets[i] != null) { System.out.println(pets[i].getKind() + "\t" + pets[i].getColor() + "\t" + pets[i].getAge() + "\t" + pets[i].getSex() + "\t" + pets[i].getInPrice() + "\t" + pets[i].getOutPrice()); } } System.out.println("================================================="); System.out.println("date: " + date); } public void profitNote() { Date date = new Date(); System.out.println("===========寵物商店盈利情況==========="); double cost = 0.0; double income = 0.0; double myProfit = 0.0; for(int i = 0; i < pets.length; i++) { if(pets[i] != null) { cost += pets[i].getInPrice(); income += pets[i].getOutPrice(); } } myProfit = income - cost; System.out.println("成本:" + cost + "\n" + "總收入:" + income + "\n" + "利潤:" + myProfit); if(myProfit > 0) { System.out.println("恭喜,您的店處於盈利狀態!"); } else { System.out.println("很遺憾,您的店處於虧損狀況!"); } System.out.println("======================================="); System.out.println("date: " + date); } public int getOutNum() { return outNum; } public int getInNum() { return inNum; } public int getNum() { return num; } }
Main類
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner input = new Scanner(System.in); PetsStore store = new PetsStore(100); System.out.print("請為您的寵物商店取個名字:"); store.setName(input.nextLine()); System.out.println("您好!" + store.getName() + "的店長,歡迎使用寵物商店管理系統!"); String choice = "1"; while(choice.equals("0") == false) { System.out.println("==========寵物商店管理系統=========="); System.out.println("1.檢視庫存\n" + "2.新增寵物\n" + "3.出售寵物\n" + "4.檢視盈利\n" + "5.銷售記錄\n" + "0.退出程式"); System.out.println("==================================="); System.out.print("請輸入你的選擇:"); choice = input.next(); switch(choice) { case "1": store.print(); System.out.println("請問您還需要什麼服務?"); break; case "2": String choice1 = "1"; do { store.add(); System.out.println("是否繼續新增?\n" + "1.是 2.否"); choice1 = input.next(); } while(choice1.equals("1")); System.out.println("請問您還需要什麼服務?"); break; case "3": String choice2 = "1"; do { store.sell(); System.out.println("是否繼續出售?\n" + "1.是 2.否"); choice2 = input.next(); } while(choice2.equals("1")); System.out.println("請問您還需要什麼服務?"); break; case "4": store.profitNote(); System.out.println("請問您還需要什麼服務?"); break; case "5": store.note(); System.out.println("請問您還需要什麼服務?"); break; case "0": System.out.println("謝謝您的使用,歡迎下次再來!\n" + "**********按任意鍵結束程式**********"); break; default: System.out.println("錯誤輸入, 請重新輸入!"); break; } } } }
沒用很複雜的容器類,只適合萌新看的,大佬勿噴,完成作業還是不錯的。
以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支援我們。