import java.util.Scanner; public class Ordering { public static void main(String[] args) { //订单数据主体 int[] orderIds = new int[4]; String[] customers = new String[4]; String[] dishNames = new String[4]; int[] times = new int[4]; String[] adresses = new String[4]; int[] numbers = new int[4]; int[] totalPrice = new int[4]; int[] status = new int[4]; //初始化两条订单 orderIds[0] = 1; customers[0] = "张三"; dishNames[0] = "红烧带鱼"; times[0] = 13; adresses[0] = "天泰二路9号"; numbers[0] = 2; totalPrice[0] = 60; status[0] = 1; orderIds[1] = 2; customers[1] = "李四"; dishNames[1] = "烧鸭"; times[1] = 13; adresses[1] = "天泰二路9号"; numbers[1] = 1; totalPrice[1] = 42; status[1] = 1; //餐品数据主体 int[] dishIds = {1,2}; String[] dishNames1 = {"红烧带鱼","烧鸭"}; int[] price = {30,36}; int[] totalPraises = {30,36}; // int chooseNum = 0; int chooseNum; boolean isExit = false; //通过标志位标记，确定是否退出 Scanner input = new Scanner(System.in); do{ System.out.println("************************欢迎进入吃货联盟订餐系统************************"); System.out.println("1.我要订餐"); System.out.println("2.查看餐袋"); System.out.println("3.删除订单"); System.out.println("4.签收订单"); System.out.println("5.我要点赞"); System.out.println("6.退出系统"); System.out.println("******************************************************************"); System.out.print("请输入功能编号："); //每个break仅跳出最内层的循环体，一般用在循环体中符合条件的条件操作最末处 chooseNum = input.nextInt(); switch (chooseNum){ case 1: System.out.println("1.我要订餐"); try{ boolean isAddFind = false; int orderIndex = -1; for(int i=0;i<dishNames.length;i++){ if(dishNames[i]==null){ isAddFind = true; orderIndex = i; //显示菜品 System.out.println("菜品编号 菜品名称 单价 点赞数"); for(int j=0;j<dishNames1.length;j++){ System.out.println(dishIds[j]+" "+dishNames1[j]+" "+price[j]+"元"+" "+totalPraises[j]+"赞"); } System.out.print("选择菜品序号："); chooseNum = input.nextInt(); for(int j=0;j<dishNames1.length;j++){ if(chooseNum==dishIds[j]){ System.out.print("请输入份数："); int number = input.nextInt(); System.out.print("请输入订单人姓名："); String customer = input.next(); System.out.print("请输入10~20之间的整数送餐时间："); int time = input.nextInt(); while(time>20 || time<10){ System.out.print("请重新输入送餐时间："); time = input.nextInt(); } System.out.print("请输入送餐地址："); String adresse = input.next(); //显示订单信息 int orderId = orderIndex + 1; String dishName = dishNames1[j]; int dishPrice = price[j]*number; int song = dishPrice > 50 ? 0:6; totalPrice[orderIndex] = dishPrice + song; System.out.println("*****************订单信息********************"); System.out.println("订单人姓名："+customer); System.out.println("菜品名称："+dishName); System.out.println("份数："+number); System.out.println("送餐时间："+time+"点"); System.out.println("送餐地址："+adresse); System.out.println("菜品金额："+dishPrice); System.out.println("送餐费："+song); System.out.println("总额："+totalPrice[orderIndex]); orderIds[orderIndex] = orderId; customers[orderIndex] = customer; dishNames[orderIndex] = dishName; times[orderIndex] = time; adresses[orderIndex] = adresse; numbers[orderIndex] = number; status[orderIndex] = 0; //遍历到符合条件的记录再跳出，for循环首层不宜跳出 break; } } //遍历到符合条件的记录再跳出，for循环首层不宜跳出 break; } } if(!isAddFind){ System.out.println("对不起，订单已满！"); } }catch(Exception e){ e.printStackTrace(); } break; case 2: System.out.println("2.查看餐袋"); try{ System.out.println("订单编号 客户名称 菜品名称 配送时间 配送地址 份数 总金额 订单状态"); for(int i=0;i<dishNames.length;i++){ if(dishNames[i]!=null){ String sta = status[i]==0 ? "已预订":"已签收"; System.out.println(orderIds[i]+" "+customers[i]+" "+dishNames[i]+" "+times[i]+"点"+" "+adresses[i]+" "+numbers[i]+"份"+" "+totalPrice[i]+"元"+" "+sta); } } }catch(Exception e){ e.printStackTrace(); } break; case 3: System.out.println("3.删除订单"); System.out.print("请输入要删除的订单编号："); chooseNum = input.nextInt(); boolean isDelFind = false; for(int i=0;i<dishNames.length;i++){ System.out.println(status[i]); if(chooseNum==orderIds[i] && status[i]==1){ isDelFind = true; for(int j=chooseNum;j<dishNames.length;j++){ orderIds[j-1] = orderIds[j]; customers[j-1] =customers[j]; dishNames[j-1] = dishNames[j]; times[j-1] = times[j]; adresses[j-1] = adresses[j]; numbers[j-1] = numbers[j]; totalPrice[j-1] = totalPrice[j]; status[j-1] = status[j]; } orderIds[dishNames.length-1] = 0;; customers[dishNames.length-1] =null; dishNames[dishNames.length-1] = null; times[dishNames.length-1] = 0; adresses[dishNames.length-1] = null; numbers[dishNames.length-1] = 0; totalPrice[dishNames.length-1] = 0; status[dishNames.length-1] = 0; break; }else if(chooseNum==orderIds[i] && status[i]==0){ isDelFind = true; System.out.println("对不起，该订单还未签收，不能删除！"); break; } } if(!isDelFind){ System.out.println("没有找打要删除的订单！"); } break; case 4: System.out.println("4.签收订单"); System.out.print("请输入要签收的订单编号："); chooseNum = input.nextInt(); boolean isGetFind = false; for(int i=0;i<dishNames.length;i++){ if(chooseNum==orderIds[i] && status[i]==0){ isGetFind = true; status[chooseNum-1] = 1; System.out.println("订单签收成功！"); break; }else if(chooseNum==orderIds[i] && status[i]==1){ isGetFind = true; System.out.println("该订单已签收过，不能再次签收！"); break; } } if(!isGetFind){ System.out.println("对不起，没有找到要签收的订单！"); } break; case 5: System.out.println("5.我要点赞"); boolean isZanFind = false; System.out.println("菜品序号 菜品名称 单价 点赞数"); for(int i=0;i<dishNames1.length;i++){ if(dishNames1[i]!=null){ System.out.println(dishIds[i]+" "+dishNames1[i]+" "+price[i]+"元 "+totalPraises[i]+"赞 "); } } System.out.print("请输入要点赞的菜品序号："); chooseNum = input.nextInt(); for(int i=0;i<dishNames1.length;i++){ if(chooseNum == dishIds[i]){ isZanFind = true; totalPraises[i]++; break; } } if(!isZanFind){ System.out.println("对不起，您要点赞的菜品不存在！"); } break; case 6: isExit = true; break; default: break; } if(!isExit){ System.out.print("输入0返回："); chooseNum = input.nextInt(); } }while(chooseNum==0); System.out.println("退出系统,欢迎再次惠顾！"); input.close(); } }
数据主体： //订单数据主体 int[] orderIds = new int[4]; String[] customers = new String[4]; String[] dishNames = new String[4]; int[] times = new int[4]; String[] adresses = new String[4]; int[] numbers = new int[4]; int[] totalPrice = new int[4]; int[] status = new int[4]; //餐品数据主体 int[] dishIds = {1,2}; String[] dishNames1 = {"红烧带鱼","烧鸭"}; int[] price = {30,36}; int[] totalPraises = {30,36};
整体框架： import java.util.Scanner; public class Ordering { public static void main(String[] args) { //订单数据主体 //初始化两条订单 //餐品数据主体 int chooseNum; //获取键盘输入数字 boolean isExit = false; //通过标志位标记，确定是否退出 Scanner input = new Scanner(System.in); //创建一个Scanner类型输入流对象 do{ //显示首页内容 System.out.println("************************欢迎进入吃货联盟订餐系统************************"); System.out.println("1.我要订餐"); System.out.println("2.查看餐袋"); System.out.println("3.删除订单"); System.out.println("4.签收订单"); System.out.println("5.我要点赞"); System.out.println("6.退出系统"); System.out.println("******************************************************************"); //键盘输入功能编号 System.out.print("请输入功能编号："); //每个break仅跳出最内层的循环体，一般用在循环体中符合条件的条件操作最末处 chooseNum = input.nextInt(); //通过输入编号进入不同分支 switch (chooseNum){ case 1: System.out.println("1.我要订餐"); boolean isAddFind = false; //是否找到订单添加位标志 false：未找到 true：找到 int orderIndex = -1; //插入订单位置下标 //循环查找首个可插入订单的位置，如果找到则标记为置为true，记录插入位置下标 for(int i=0;i<dishNames.length;i++){ if(dishNames[i]==null){ isAddFind = true; orderIndex = i; //遍历到符合条件的记录再跳出，for循环首层不宜跳出 break; } } //未找到提交订单的位置 if(!isAddFind){ System.out.println("对不起，订单已满！"); } break; case 2: System.out.println("2.查看餐袋"); break; case 3: System.out.println("3.删除订单"); System.out.print("请输入要删除的订单编号："); chooseNum = input.nextInt(); //键盘输入的编号 boolean isDelFind = false; //是否找到删除订单的标志 false：未找到 true：找到 //循环查找要删除的订单 for(int i=0;i<dishNames.length;i++){ //找到订单，订单状态为已签收 if(chooseNum==orderIds[i] && status[i]==1){ isDelFind = true; //将要删除订单之后的订单顺序往前移1个位置，最后一位清空 for(int j=chooseNum;j<dishNames.length;j++){ orderIds[j-1] = orderIds[j]; ... } orderIds[dishNames.length-1] = 0;; ... break; }//找到订单，订单状态为已预定，不能删除 else if(chooseNum==orderIds[i] && status[i]==0){ isDelFind = true; System.out.println("对不起，该订单还未签收，不能删除！"); break; } } //未找到要删除的订单 if(!isDelFind){ System.out.println("没有找打要删除的订单！"); } break; case 4: System.out.println("4.签收订单"); System.out.print("请输入要签收的订单编号："); chooseNum = input.nextInt(); //键盘输入的编号 boolean isGetFind = false; //是否找到签收订单的标志 false：未找到 true：找到 //循环查找要签收的订单 for(int i=0;i<dishNames.length;i++){ //找到订单，订单状态为已预定 if(chooseNum==orderIds[i] && status[i]==0){ isGetFind = true; //将订单的状态改为已签收 status[chooseNum-1] = 1; System.out.println("订单签收成功！"); break; }//找到订单，订单状态为已签收，不能再次签收 else if(chooseNum==orderIds[i] && status[i]==1){ isGetFind = true; System.out.println("该订单已签收过，不能再次签收！"); break; } } //未找到要签收的订单 if(!isGetFind){ System.out.println("对不起，没有找到要签收的订单！"); } break; case 5: System.out.println("5.我要点赞"); boolean isZanFind = false; //是否找到点赞菜品的标志 false：未找到 true：找到 System.out.println("菜品序号 菜品名称 单价 点赞数"); System.out.print("请输入要点赞的菜品序号："); chooseNum = input.nextInt(); //键盘输入的编号 //循环查找要点赞的菜品 for(int i=0;i<dishNames1.length;i++){ if(chooseNum == dishIds[i]){ isZanFind = true; totalPraises[i]++; //点在数加1 break; } } //未找到要点赞的菜品 if(!isZanFind){ System.out.println("对不起，您要点赞的菜品不存在！"); } break; case 6: isExit = true; //将退出系统标记置为true break; default: break; } //如果不退出系统，都提示"输入0返回：",返回到首页 if(!isExit){ System.out.print("输入0返回："); chooseNum = input.nextInt(); } }while(chooseNum==0); System.out.println("退出系统,欢迎再次惠顾！"); input.close(); } }
====================================================================================================================
import java.util.Arrays; public class Order { private int[] orderIds = new int[4]; private String[] customers = new String[4]; private String[] dishNames = new String[4]; private int[] times = new int[4]; private String[] adresses = new String[4]; private int[] numbers = new int[4]; private int[] totalPrice = new int[4]; private int[] status = new int[4]; /** * 因为类中的数组变量都是私有的，无法直接访问，但是在删除时，需要从删除位置往前移位 * @param obj * @param start */ public void forwardMove(int[] obj, int start){ if(start <= 0 || start >= obj.length){ return; }else{ if(start >= 1 && start <obj.length){ for(int i=start;i<obj.length;i++){ obj[i-1] = obj[i]; } } obj[obj.length-1] = 0; } } public void forwardMove(String[] obj, int start){ if(start < 0 || start >= obj.length){ return; }else{ if(start >= 1 && start <obj.length){ for(int i=start;i<obj.length;i++){ obj[i-1] = obj[i]; } } obj[obj.length-1] = null; } } public int[] getOrderIds() { return orderIds; } /** * 静态数组在添加元素时，需要保持原有数组，所有这里通过提供的Setter方法设置数组指定位置的值 * 问题：对Setter方法太过复杂，实际应用时考虑是否将类变量由私有改为默认或者公有 * @param index * @param value */ public void setOrderIds(int index, int value) { if(index >= 0 && index < orderIds.length){ if(this.orderIds[index]==0){ this.orderIds[index] = value; } } } public String[] getCustomers() { return customers; } public void setCustomers(int index, String customer) { if(index >= 0 && index < customers.length){ if(this.customers[index] == null){ this.customers[index] = customer; } } } public String[] getDishNames() { return dishNames; } public void setDishNames(Product product, int index, String value) { this.dishNames[0] = product.getDishNames()[0]; this.dishNames[1] = product.getDishNames()[1]; if(index >= 0 && index < dishNames.length){ if(this.dishNames[index]==null){ this.dishNames[index] = value; } } } public int[] getTimes() { return times; } public void setTimes(int index, int value) { if(index >= 0 && index < times.length){ if(this.times[index] == 0){ this.times[index] = value; } } } public String[] getAdresses() { return adresses; } public void setAdresses(int index, String adresse) { if(index >= 0 && index < adresses.length){ if(this.adresses[index] == null){ this.adresses[index] = adresse; } } } public int[] getNumbers() { return numbers; } public void setNumbers(int index, int value) { if(index >= 0 && index < numbers.length){ if(this.numbers[index] == 0){ this.numbers[index] = value; } } } public int[] getTotalPrice() { return totalPrice; } public void setTotalPrice(int index, int value) { if(index >= 0 && index < totalPrice.length){ if(this.totalPrice[index] == 0){ this.totalPrice[index] = value; } } } public int[] getStatus() { return status; } public void setStatus(int index, int value) { if(index >= 0 && index < status.length){ if(this.status[index] == 0){ this.status[index] = value; } } } @Override public String toString() { return "Order [orderIds=" + Arrays.toString(orderIds) + ", customers=" + Arrays.toString(customers) + ", dishNames=" + Arrays.toString(dishNames) + ", times=" + Arrays.toString(times) + ", adresses=" + Arrays.toString(adresses) + ", numbers=" + Arrays.toString(numbers) + ", totalPrice=" + Arrays.toString(totalPrice) + ", status=" + Arrays.toString(status) + "]"; } }
import java.util.Arrays; public class Product { // private int[] dishIds = {1,2}; // private String[] dishNames = {"红烧带鱼","烧鸭"}; // private int[] prices = {30,36}; // private int[] totalPraises = {30,36}; private int[] dishIds = {1,2,3,4}; private String[] dishNames = {"红烧带鱼","烧鸭","红烧带鱼1","烧鸭1"}; private int[] prices = {30,36,20,26}; private int[] totalPraises = {30,36,20,26}; public int[] getDishIds() { return dishIds; } public void setDishIds(int[] dishIds) { this.dishIds = dishIds; } public String[] getDishNames() { return dishNames; } public void setDishNames(String[] dishNames) { this.dishNames = dishNames; } public int[] getPrices() { return prices; } public void setPrices(int[] prices) { this.prices = prices; } public int[] getTotalPraises() { return totalPraises; } public void setTotalPraises(int index, int value) { if(index >= 0 && index < totalPraises.length){ this.totalPraises[index] = value; } } @Override public String toString() { return "Product [dishIds=" + Arrays.toString(dishIds) + ", dishNames=" + Arrays.toString(dishNames) + ", prices=" + Arrays.toString(prices) + ", totalPraises=" + Arrays.toString(totalPraises) + "]"; } }
import java.util.HashSet; import java.util.Scanner; import java.util.Set; public class Client { //成员变量一般只声明，不初始化，因为有时初始化调用的对象不存在或者还没生成 private Order order ; private Product product ; Scanner input = new Scanner(System.in); private int chooseNum; private int orderLength; private int productLength; public Client(){ this.order = new Order() ; this.product = new Product(); //创建Order、Product对象后，才能调用对象所在类的方法 orderLength = order.getDishNames().length; productLength = product.getDishNames().length; } private void init(){ this.order.setOrderIds(0,1); this.order.setCustomers(0,"张三"); this.order.setDishNames(product,1,"红烧带鱼"); this.order.setTimes(0,13); this.order.setAdresses(0,"天泰二路9号"); this.order.setNumbers(0,2); this.order.setTotalPrice(0,60); this.order.setStatus(0,1); this.order.setOrderIds(1,2); this.order.setCustomers(1,"李四"); this.order.setDishNames(product,1,"烧鸭"); this.order.setTimes(1,13); this.order.setAdresses(1,"天泰二路9号"); this.order.setNumbers(1,1); this.order.setTotalPrice(1,42); this.order.setStatus(1,1); } /** * 功能菜单 */ public void menu(){ init(); boolean isExit = false ; do { System.out.println("************************欢迎进入吃货联盟订餐系统************************"); System.out.println("1.我要订餐"); System.out.println("2.查看餐袋"); System.out.println("3.删除订单"); System.out.println("4.签收订单"); System.out.println("5.我要点赞"); System.out.println("6.退出系统"); System.out.println("******************************************************************"); System.out.print("请输入功能编号："); chooseNum = input.nextInt(); switch(chooseNum){ case 1: System.out.println("1.我要订餐"); add(); break; case 2: System.out.println("2.查看餐袋"); display(); break; case 3: System.out.println("3.删除订单"); delete(); break; case 4: System.out.println("4.签收订单"); get(); break; case 5: System.out.println("5.我要点赞"); good(); break; case 6: System.out.println("6.退出系统"); isExit = true; break; default: break; } if(!isExit){ System.out.print("输入0返回："); chooseNum = input.nextInt(); } }while(chooseNum==0); System.out.println("已退出系统,欢迎再次惠顾！"); input.close(); System.exit(1); } /** * 菜品点赞 */ private void good() { boolean isZanFind = false; displayProduct(); System.out.print("请输入要点赞的菜品序号："); chooseNum = input.nextInt(); for(int i=0;i<productLength;i++){ if(chooseNum == product.getDishIds()[i]){ isZanFind = true; product.setTotalPraises(chooseNum-1, product.getTotalPraises()[chooseNum-1]+1); //查找到符合条件的对象后，跳出循环 break; } } //没有找到菜品 if(!isZanFind){ System.out.println("对不起，您要点赞的菜品不存在！"); } } /** * 删除订单 */ private void delete() { display(); System.out.print("请输入要删除的订单编号："); chooseNum = input.nextInt(); boolean isDelFind = false; for(int i=0;i<orderLength;i++){ if(chooseNum==order.getOrderIds()[i] && order.getStatus()[i]==1){ isDelFind = true; //不能将chooseNum的值传给forwardMove，因为chooseNum前面的订单被删除了就不可以最为数据移位的参考了 order.forwardMove(order.getOrderIds(), i+1); order.forwardMove(order.getCustomers(), i+1); order.forwardMove(order.getDishNames(), i+1); order.forwardMove(order.getTimes(), i+1); order.forwardMove(order.getAdresses(), i+1); order.forwardMove(order.getNumbers(), i+1); order.forwardMove(order.getTotalPrice(), i+1); order.forwardMove(order.getStatus(), i+1); //查找到符合条件的对象后，跳出循环 System.out.println("订单删除成功！"); break; }else if(chooseNum==order.getOrderIds()[i] && order.getStatus()[i]==0){ isDelFind = true; System.out.println("对不起，该订单还未签收，不能删除！"); //跳出循环 break; } } //没有找到订单 if(!isDelFind){ System.out.println("没有找打要删除的订单！"); } } /** * 展示订单 */ private void display() { System.out.println("订单编号 客户名称 菜品名称 配送时间 配送地址 份数 总金额 订单状态"); for(int i=0;i<orderLength;i++){ if(order.getDishNames()[i]!=null){ String sta = order.getStatus()[i]==0 ? "已预订":"已签收"; System.out.println(order.getOrderIds()[i]+" "+order.getCustomers()[i]+" "+ order.getDishNames()[i]+" "+order.getTimes()[i]+"点"+" "+order.getAdresses()[i]+" "+ order.getNumbers()[i]+"份"+" "+order.getTotalPrice()[i]+"元"+" "+sta); } } } /** * 签收订单 */ private void get() { display(); System.out.print("请输入要签收的订单编号："); chooseNum = input.nextInt(); boolean isGetFind = false; for(int i=0;i<orderLength;i++){ if(chooseNum==order.getOrderIds()[i] && order.getStatus()[i]==0){ isGetFind = true; order.setStatus(i, 1); System.out.println("订单签收成功！"); //查找到符合条件的对象后，跳出循环 break; }else if(chooseNum==order.getOrderIds()[i] && order.getStatus()[i]==1){ isGetFind = true; System.out.println("该订单已签收过，不能再次签收！"); //跳出循环 break; } } //没有找到订单 if(!isGetFind){ System.out.println("对不起，没有找到要签收的订单！"); } } /** * 添加订单 */ private void add(){ boolean isAddFind = false; boolean isProductFind = false; int orderIndex = -1; for(int i=0;i<orderLength;i++){ if(order.getDishNames()[i]==null){ isAddFind = true; orderIndex = i; //显示菜品 displayProduct(); System.out.print("选择菜品序号："); chooseNum = input.nextInt(); for(int j=0;j<productLength;j++){ if(chooseNum==product.getDishIds()[j]){ isProductFind = true; System.out.print("请输入份数："); int number = input.nextInt(); System.out.print("请输入订单人姓名："); String customer = input.next(); System.out.print("请输入10~20之间的整数送餐时间："); int time = input.nextInt(); while(time>20 || time<10){ System.out.print("请重新输入送餐时间："); time = input.nextInt(); } System.out.print("请输入送餐地址："); String adresse = input.next(); //显示订单信息,再将订单信息存入数组中 int orderId = orderIndex + 1; String dishName = product.getDishNames()[j]; int dishPrice = (product.getPrices()[j])*number; int song = dishPrice > 50 ? 0:6; order.setTotalPrice(orderIndex, dishPrice + song); System.out.println("*****************订单信息********************"); System.out.println("订单人姓名："+customer); System.out.println("菜品名称："+dishName); System.out.println("份数："+number); System.out.println("送餐时间："+time+"点"); System.out.println("送餐地址："+adresse); System.out.println("菜品金额："+dishPrice); System.out.println("送餐费："+song); System.out.println("总额："+order.getTotalPrice()[orderIndex]); order.setOrderIds(orderIndex, orderId); order.setCustomers(orderIndex, customer); order.setDishNames(product, orderIndex, dishName); order.setTimes(orderIndex, time); order.setAdresses(orderIndex, adresse); order.setNumbers(orderIndex, number); order.setStatus(orderIndex, 0); //遍历到符合条件的记录再跳出，for循环首层不宜跳出 break; } //菜品不存在 } //遍历到符合条件的记录再跳出，for循环首层不宜跳出 if(!isProductFind){ System.out.println("对不起，你要点的菜品不存在"); //菜品不存在 } //遍历到符合条件的记录再跳出，for循环首层不宜跳出 break; } } //没有找到插入订单的位置 if(!isAddFind){ System.out.println("对不起，订单已满！"); } } /** * 展示菜品列表 */ private void displayProduct(){ System.out.println("菜品编号 菜品名称 单价 点赞数"); for(int j=0;j<productLength;j++){ System.out.println(product.getDishIds()[j]+" "+product.getDishNames()[j]+ " "+product.getPrices()[j]+"元"+" "+product.getTotalPraises()[j]+"赞"); } } }
public class ClientTest { public static void main(String[] args) { Client client = new Client(); client.menu(); } } 运行结果： ************************欢迎进入吃货联盟订餐系统************************ 1.我要订餐 2.查看餐袋 3.删除订单 4.签收订单 5.我要点赞 6.退出系统 ****************************************************************** 请输入功能编号：1 1.我要订餐 菜品编号 菜品名称 单价 点赞数 1 红烧带鱼 30元 30赞 2 烧鸭 36元 36赞 3 红烧带鱼1 20元 20赞 4 烧鸭1 26元 26赞 选择菜品序号：