吃货联盟订餐系统（对象+集合）

// 菜单信息类

package 对象和集合.吃货联盟订餐系统;public class Food {private String names;//姓名private String disMigs;//菜品private int times;//时间private String addresses;//地址private Double sumPrices;//总金额//订单状态 0 已预定 1已完成private int states;public String getNames() {return names;}public void setNames(String names) {this.names = names;}public String getDisMigs() {return disMigs;}public void setDisMigs(String disMigs) {this.disMigs = disMigs;}public int getTimes() {return times;}public void setTimes(int times) {this.times = times;}public String getAddresses() {return addresses;}public void setAddresses(String addresses) {this.addresses = addresses;}public Double getSumPrices() {return sumPrices;}public void setSumPrices(Double sumPrices) {this.sumPrices = sumPrices;}public int getStates() {return states;}@Overridepublic String toString() {String s=states==0?"未完成":"已完成";return names + '\t' + disMigs + '\t' + times + "点\t"+ addresses + '\t' + sumPrices +"元\t"+ s;}public void setStates(int states) {this.states = states;}public Food(String names, String disMigs, int times, String addresses, Double sumPrices, int states) {this.names = names;this.disMigs = disMigs;this.times = times;this.addresses = addresses;this.sumPrices = sumPrices;this.states = states;}public Food() {}
}

//菜品类

package 对象和集合.吃货联盟订餐系统;public class Order {private String dishNames;//菜品private double prices;//价格private int  praiseNums;//点赞数@Overridepublic String toString() {return dishNames + '\t' + prices + "元\t"+ praiseNums+"赞";}public Order(String dishNames, double prices, int praiseNums) {this.dishNames = dishNames;this.prices = prices;this.praiseNums = praiseNums;}public String getDishNames() {return dishNames;}public void setDishNames(String dishNames) {this.dishNames = dishNames;}public double getPrices() {return prices;}public void setPrices(double prices) {this.prices = prices;}public int getPraiseNums() {return praiseNums;}public void setPraiseNums(int praiseNums) {this.praiseNums = praiseNums;}public Order() {}
}

//功能类 or 业务需求

package 对象和集合.吃货联盟订餐系统;import java.util.List;
import java.util.Scanner;public class Business {public  static Scanner sc = new Scanner(System.in);public static void giveTheThumbsup(List<Order> orders, Scanner sc) {printcanpin(orders);System.out.println("请输入你觉得好吃的菜：");int xuhao2= sc.nextInt();while (xuhao2<1||xuhao2>orders.size()-1){System.out.println("输入错误请重新输入！");xuhao2= sc.nextInt();}orders.get(xuhao2-1).setPraiseNums(orders.get(xuhao2-1).getPraiseNums()+1);System.out.println("点赞成功！！");}public static void delete(List<Food> foods, Scanner sc) {printArrays(foods);boolean falg2=false;System.out.println("请输入你要删除的订单！");int xuhao1= sc.nextInt();while (xuhao1<1||xuhao1>foods.size()){System.out.println("输入有悟请重新输入！");xuhao1= sc.nextInt();}//定义一个值用来记住索引for (int i = 0; i < foods.size(); i++) {if (foods.get(i).getStates()==1&&xuhao1==i+1){foods.remove(i);System.out.println("删除成功！");break;}else if (foods.get(i).getStates()==0&&xuhao1==i+1){System.out.println("该订单未签收不能删除！");break;}}}public static void signFor(List<Food> foods, Scanner sc) {printArrays(foods);boolean falg1=false;System.out.println("请输入你要签收的订单！");int xuhao= sc.nextInt();//定义一个值 用来签收订单for (int i = 0; i < foods.size(); i++) {if (foods.get(i).getStates()==1&&xuhao==i+1){falg1=true;System.out.println("该订单已签收！");break;}else if (foods.get(i).getStates()==0&&xuhao==i+1){falg1=true;foods.get(i).setStates(1);System.out.println("签收完成！");break;}}if (!falg1){System.out.println("输入有误！");}}public static void orderaMeal(List<Food> foods, List<Order> orders, Scanner sc) {boolean falg=false;System.out.println("------------------------我要订餐---------------------------");printcanpin(orders);for (int i = 0; i <foods.size() ; i++) {falg=true;System.out.println("请输入你要点的菜品序号：");int xuhao = sc.nextInt();while (xuhao>3||xuhao<1){System.out.println("对不起你输入错误！请重新输入！");xuhao = sc.nextInt();}System.out.println("请输入你要点几份");int number = sc.nextInt();while (number<=0){System.out.println("输入有误！！！");number = sc.nextInt();}//汇总String disMag=orders.get(xuhao).getDishNames()+" "+number+"份";System.out.println("请输入你的姓名");String name= sc.next();System.out.println("请输入你的订餐时间：");int time= sc.nextInt();while (time>20||time<10){System.out.println("对不起不在配送时间请重新输入！");time= sc.nextInt();}System.out.println("请输入你的配送地址！");String address= sc.next();Double Price=orders.get(xuhao-1).getPrices()*number;//配送废Double psf=Price>=50?0.0:6.0;double sumPrice=Price+psf;Food f3=new Food(name,disMag,time,address,sumPrice,0);foods.add(f3);System.out.println("创建成功！");break;}if (!falg){System.out.println("对不起餐袋已满！");}}public static void printcanpin(List<Order> orders) {System.out.println("序号"+"\t餐品名"+"\t单价"+" \t点赞数");for (int i = 0; i < orders.size(); i++) {String rs = orders.get(i).getPraiseNums()+"赞";System.out.println((i+1)+"\t"+ orders.get(i).getDishNames()+"\t"+ orders.get(i).getPrices()+"\t"+rs );}}public static void printArrays(List<Food> foods) {System.out.println("-----------------------------查看餐袋---------------------------------------");System.out.println("序号"+"\t订餐人"+"\t餐品名  份数"+"\t时间"+"\t商品送餐地址"+"\t总金额"+"\t订单状态");for (int i = 0; i < foods.size(); i++) {String rs =foods.get(i).getStates()==0?"未签收":"已签收";System.out.println((i + 1) + "\t" + foods.get(i).getNames()+"\t"+ foods.get(i).getDisMigs()+"\t" +foods.get(i).getTimes()+"\t"+ foods.get(i).getAddresses()+"\t"+ foods.get(i).getSumPrices()+"\t"+ rs);}}
}

//测试类

package 对象和集合.吃货联盟订餐系统;import java.util.*;public class Test {public static final   List<Food> foods = new ArrayList<>();public static final List<Order> orders = new ArrayList<>();public static void main(String[] args) {//定义数组来储存对象//初始化Food f1 = new Food("王小明", "红烧带鱼 2份", 12, "天河路666号", 76.0, 1);Food f2 = new Food("陈大鸿", "凉拌鸡丝 2份", 10, "天河路786号", 22.0, 0);foods.add(f1);foods.add(f2);//初始化Order o1 = new Order("红烧带鱼", 38.0, 0);Order o2 = new Order("小炒肉", 32.0, 0);Order o3 = new Order("凉半鸡丝", 11.0, 0);//定义数组储存orders.add(o1);orders.add(o2);orders.add(o3);int num = -1;Scanner sc = new Scanner(System.in);do {System.out.println("----------------------------饿了么-----------------------------");System.out.println("1、我要订餐");System.out.println("2、查看餐袋");System.out.println("3、签收订单");System.out.println("4、删除订单");System.out.println("5、我要点赞");System.out.println("6、退出系统");System.out.println("请选择(1-6)");int comy = sc.nextInt();if (comy <= 6 && comy >= 1) {switch (comy) {case 1://展示菜品Business.orderaMeal(foods, orders, sc);break;case 2://查看餐袋Business.printArrays(foods);break;case 3://签收订单Business.signFor(foods, sc);break;case 4://删除订单Business.delete(foods, sc);break;case 5://我要点赞Business.giveTheThumbsup(orders, sc);break;case 6:System.out.println("感谢你的光临！！");return;}} else {System.out.println("输入错误！");}System.out.print("输入0返回:");num = sc.nextInt();while (num != 0) {System.out.println("输入0返回:!!!!!!!!!");num = sc.nextInt();}} while (num == 0);}
}

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