java新手----超市管理系統--殘章(沒寫完,不過後面的會員管理和買東西寫完了)
阿新 • • 發佈：2018-11-24
https://download.csdn.net/download/shui_jin_shan/10798218
上面是我放的程式碼地址:
下面我的welcome的程式碼:
/** * */ package supermarket; import java.util.Scanner; /** * @author Administrator 歡迎介面 */ public class Welcome { public static void main(String[] args) { Supermarket supermarket = new Supermarket("大潤發"); Shelf[] shelfs = new Shelf[3];// 貨架3個 Goods[] goods = new Goods[5];// 每個貨架的商品數最大5 int[] countOfShelf = new int[3];// 統計每個貨架的商品數 shelfs[0] = new Shelf("食物", 0); shelfs[1] = new Shelf("衣物", 1); shelfs[2] = new Shelf("日用品", 2); goods[0] = new Goods(0, "薯片", "樂事", 99, "2018年11月20日", 4.5, 3.5); goods[1] = new Goods(1, "方便麵", "康師傅", 99, "2018年11月20日", 3.5, 2.5); countOfShelf[0] = 2; shelfs[0].setGoods(goods); goods = new Goods[5]; goods[0] = new Goods(0, "衛衣", "美特斯邦威", 50, "2018年11月20日", 150.0, 130.0); goods[1] = new Goods(1, "運動褲", "耐克", 50, "2018年11月20日", 140.0, 120.0); countOfShelf[1] = 2; shelfs[1].setGoods(goods); goods = new Goods[5]; goods[0] = new Goods(0, "香皂", "舒膚佳", 50, "2018年11月20日", 10.0, 8.0); goods[1] = new Goods(1, "洗髮露", "海飛絲", 50, "2018年11月20日", 15.0, 12.0); countOfShelf[2] = 2; shelfs[2].setGoods(goods); supermarket.setShelfs(shelfs); // 初始化超市商品------------------------------------------------------------------------------------- while (true) { // 先初始化使用的變數 boolean isExit = false;// 判斷是否退出 int key = -1;// 選項輸入初始化 int cardId = 0;// 會員卡號初始化 int credit = 0;// 會員積分初始化 double totalCost = 0;// 總花費初始化 Goods[] goodssOfNew = null;// 購買選項貨物列表初始化 double priceOfGoods = 0;// 商品價格初始化 int idOfGoods = -1;// 商品編號初始化 int countOfBuy = 0;// 購買數量初始化 int getCountOfGoods = 0;// 貨架物品數量初始化 // ---------------------------------------------------------------------------------------- System.out.println("歡迎進入大潤發超市管理系統介面"); System.out.println("--------------------"); System.out.println("選項\t專案名稱"); System.out.println("1.\t商品管理"); System.out.println("2.\t員工管理"); System.out.println("3.\t會員管理"); System.out.println("4.\t購買操作"); System.out.println("按其他鍵退出"); System.out.println("--------------------"); Scanner input = new Scanner(System.in); System.out.println("請輸入選擇:"); switch (input.nextInt()) { case 1: while (true) { System.out.println("選項\t內容"); System.out.println("-------------------"); System.out.println("1.\t商品新增"); System.out.println("2.\t商品刪除"); System.out.println("3.\t商品查詢"); System.out.println("or 按任意鍵退出"); System.out.println("-------------------"); System.out.println("請輸入:"); key = input.nextInt(); switch (key) { case 1: break; case 2: break; case 3: break; default: isExit = true; break; } if (isExit) { break; } } break; case 2: break; case 3: while (true) { System.out.println("選項\t內容"); System.out.println("-------------------"); System.out.println("1.\t檢視會員資訊"); System.out.println("2.\t新增會員"); System.out.println("3.\t刪除會員"); System.out.println("or 按任意鍵退出"); System.out.println("-------------------"); System.out.println("請輸入:"); key = input.nextInt(); switch (key) { case 1: System.out.println("請輸入想要檢視的會員卡號"); cardId = input.nextInt(); Card.query(cardId); break; case 2: Card.add(); break; case 3: System.out.println("請輸入需要刪除的會員卡號"); cardId = input.nextInt(); Card.delete(cardId); break; default: isExit = true; break; } if (isExit) { break; } } break; case 4: while (true) { System.out.println("歡迎光臨" + supermarket.getmName()); System.out.println("貨架列表如下:"); System.out.println("貨架編號\t貨架型別"); Shelf[] she = supermarket.getShelfs(); for (int i = 0; i < she.length; i++) { System.out.println(she[i].getShelfId() + "\t" + she[i].getShelfName()); } System.out.println("請選擇貨架編號:"); key = input.nextInt(); switch (key) { case 0: System.out.println("有以下商品:"); System.out.println("商品編號\t商品名稱\t商品價格"); goodssOfNew = she[0].getGoods(); getCountOfGoods = countOfShelf[0]; for (int i = 0; i < getCountOfGoods; i++) { System.out.println(goodssOfNew[i].getgId() + "\t" + goodssOfNew[i].getBrand() + goodssOfNew[i].getgName() + "\t" + goodssOfNew[i].getgPrice()); } System.out.println("請輸入商品編號:"); idOfGoods = input.nextInt(); for (int i = 0; i < getCountOfGoods; i++) { if (idOfGoods == goodssOfNew[i].getgId()) { priceOfGoods = goodssOfNew[i].getgPrice(); } } System.out.println("請輸入數量:"); countOfBuy = input.nextInt(); totalCost += priceOfGoods * countOfBuy; break; case 1: System.out.println("有以下商品:"); System.out.println("商品編號\t商品名稱\t商品價格"); goodssOfNew = she[1].getGoods(); getCountOfGoods = countOfShelf[1]; for (int i = 0; i < getCountOfGoods; i++) { System.out.println(goodssOfNew[i].getgId() + "\t" + goodssOfNew[i].getBrand() + goodssOfNew[i].getgName() + "\t" + goodssOfNew[i].getgPrice()); } System.out.println("請輸入商品編號:"); idOfGoods = input.nextInt(); for (int i = 0; i < getCountOfGoods; i++) { if (idOfGoods == goodssOfNew[i].getgId()) { priceOfGoods = goodssOfNew[i].getgPrice(); } } System.out.println("請輸入數量:"); countOfBuy = input.nextInt(); totalCost += priceOfGoods * countOfBuy; break; case 2: System.out.println("有以下商品:"); System.out.println("商品編號\t商品名稱\t商品價格"); goodssOfNew = she[2].getGoods(); getCountOfGoods = countOfShelf[2]; for (int i = 0; i < getCountOfGoods; i++) { System.out.println(goodssOfNew[i].getgId() + "\t" + goodssOfNew[i].getBrand() + goodssOfNew[i].getgName() + "\t" + goodssOfNew[i].getgPrice()); } System.out.println("請輸入商品編號:"); idOfGoods = input.nextInt(); for (int i = 0; i < getCountOfGoods; i++) { if (idOfGoods == goodssOfNew[i].getgId()) { priceOfGoods = goodssOfNew[i].getgPrice(); } } System.out.println("請輸入數量:"); countOfBuy = input.nextInt(); totalCost += priceOfGoods * countOfBuy; break; default: isExit = true; break; } System.out.println("請輸入您的會員卡號,沒有請按0"); key = input.nextInt(); for (int i = 0; i < Card.numOfCards; i++) { if (key == 0) { break; } if (key == Card.cards[i].getCardId()) { cardId = key; break; } } System.out.println("您總共消費 " + totalCost + " 元"); if (cardId != 0) { Card.setCredit((int) totalCost, cardId); credit = Card.getCredit(cardId); System.out.println("您當前擁有積分 " + credit); } System.out.println("是否要繼續購買?繼續請按1,結賬請按2"); key = input.nextInt(); if (key == 2) { System.out.println("您需要付" + (totalCost - credit / 100) + " 元"); credit -= credit / 100 * 100; Card.setCredit(credit, cardId); if (cardId != 0) { System.out.println("您還剩積分 " + Card.getCredit(cardId)); } try { Thread.sleep(5000); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } isExit = true; } if (isExit) { break; } } break; default: System.exit(0); } } } }