Java数组 吃货联盟小项目

java日记9

package orderFood;

import java.util.Scanner;

/**
 * @Author Huang
 * @create 2020/7/16 10:39
 */
public class OrderFood3 {
    public static void main(String[] args) {
        //定义客户信息
        String[] names = new String[5];
        int[] counts = new int[names.length];
        String[] phoneNumbers = new String[names.length];
        String[] times = new String[names.length];
        String[] address = new String[names.length];
        boolean[] states = new boolean[names.length];
        double[] sumMoney = new double[names.length];
        String[] dishName = new String[names.length];
        //定义菜品信息
        String[] dishes = {"油焖大虾","麻婆豆腐","糖醋里脊","鱼香肉丝","清炒小白菜","酸辣土豆丝"};
        double[] prices = {199.99,48.88,67,45,34.0,18.0,16.0};
        int[] praise = new int[dishes.length];

        Scanner sc = new Scanner(System.in);
        //定义主菜单循环条件
        String isExit;
        //定义主菜单
        do{
            System.out.println("============欢迎使用吃货联盟在线点餐系统============");
            System.out.println("1.我要订餐\t2.查看餐带\t3.签收订单\t4.删除订单\t5.我要点赞\t6.退出系统");
            System.out.println("============欢迎使用吃货联盟在线点餐系统============");
            System.out.print("请选择需要操作的功能项:");
            //选择功能
            int choose = sc.nextInt();
            switch (choose){
                case 1:
                    //我要订餐功能实现
                    boolean flag = false;
                    for(int i=0; i<names.length; i++){
                        if(names[i]==null){
                            flag = true;
                            System.out.println("编号\t\t菜品\t\t单价\t\t点赞数");
                            for(int j=0; j<dishes.length; j++){
                                System.out.println((j+1)+"\t\t"+dishes[j]+"\t\t"+prices[j]+"\t\t"+praise[j]);
                            }
                            System.out.print("请输入菜品编号:");
                            int dishNo = sc.nextInt();
                            while(dishNo<1||dishNo>6){
                                System.out.print("输入菜品编号有误！请重新输入:");
                                dishNo = sc.nextInt();
                            }
                            System.out.println("您选择的菜品是:"+dishes[dishNo-1]);
                            System.out.print("请输入菜品份数:");
                            int count = sc.nextInt();
                            System.out.print("联系人姓名:");
                            String name = sc.next();
                            System.out.print("联系方式:");
                            String phoneNumber = sc.next();
                            System.out.print("送餐时间[9:00~22:00]:");
                            String time = sc.next();
                            System.out.print("送餐地址:");
                            String addr = sc.next();
                            System.out.println("请确认订单信息，确认下单输入ok，输入其他标识取消订单！");
                            System.out.println("============订单信息如下============");
                            System.out.println(dishes[dishNo-1]+","+count+"份");
                            System.out.println(name+"\t"+phoneNumber+"\t"+time+"\t"+addr);
                            System.out.println("==================================");
                            String confirm = sc.next();
                            if(confirm.equalsIgnoreCase("ok")){
                                dishName[i] = dishes[dishNo-1];
                                counts[i] = count;
                                names[i] = name;
                                phoneNumbers[i] = phoneNumber;
                                times[i] = time;
                                address[i] = addr;
                                sumMoney[i] = prices[dishNo-1]*count>=50?prices[dishNo-1]*count:prices[dishNo-1]*count+5;
                                System.out.println("订餐成功！请等待送餐~~~");
                                if(sumMoney[i]>=50){
                                    System.out.println("本订单应支付的餐费是:"+sumMoney[i]+",送餐费:0,合计:"+sumMoney[i]);
                                }else {
                                    System.out.println("本订单应支付的餐费是:"+prices[dishNo-1]*count+",送餐费:5,合计:"+(sumMoney[i]));
                                }
                            }else {
                                System.out.println("订单已取消~");
                                break;
                            }
                            System.out.println("请记住订单编号:"+(i+1)+"一边后续订单处理~~");
                            break;
                        }
                    }
                    if(!flag){
                        System.out.println("订单已满~~抱歉");
                    }
                    break;
                case 2:
                    //查看餐袋功能实现
                    if(!(names[0]==null)){
                        System.out.println("订单编号\t菜品\t份数\t总金额\t联系人\t联系方式\t送餐时间\t送餐地址\t订单状态");
                        for(int i=0; i<names.length; i++){
                            if(names[i]!=null){
                                System.out.println((i+1)+"\t"+dishName[i]+"\t"+counts[i]+"\t"+sumMoney[i]+"\t"+names[i]+"\t"+phoneNumbers[i]+"\t"+times[i]+"\t"+address[i]+"\t"+(states[i]==false?"未签收":"已签收"));
                            }
                        }
                    }else {
                        System.out.println("无订单内容！");
                    }
                    break;
                case 3:
                    //签收订单功能实现
                    System.out.println("订单编号\t菜品\t份数\t总金额\t联系人\t联系方式\t送餐时间\t送餐地址\t订单状态");
                    for(int i=0; i<names.length; i++){
                        if(names[i]!=null){
                            System.out.println((i+1)+"\t"+dishName[i]+"\t"+counts[i]+"\t"+sumMoney[i]+"\t"+names[i]+"\t"+phoneNumbers[i]+"\t"+times[i]+"\t"+address[i]+"\t"+(states[i]==false?"未签收":"已签收"));
                        }
                    }
                   if(!(names[0]==null)){
                       System.out.print("请输入订单编号:");
                       int stateNo = sc.nextInt();
                       while(stateNo<1||stateNo>5){
                           System.out.print("订单编号超出范围，数据不合法...");
                           System.out.print("请重新输入:");
                           stateNo = sc.nextInt();
                       }
                       for(int i=0; i<names.length; i++){
                           if(names!=null&&i==stateNo-1&&states[i]==false){
                               states[i] = true;
                               System.out.println("订单签收成功！请通过餐袋查看牵手结果~~~");
                               break;
                           }else if(names!=null&&i==stateNo-1&&states[i]==true){
                               System.out.println("订单已经签收过了，不能重复签收！");
                               break;
                           }else if(names[i]==null&&i==stateNo-1){
                               System.out.println("订单编号不存在，无法签收！");
                           }
                       }
                   }else {
                       System.out.println("无订单内容，无法签收！");
                   }
                    break;
                case 4:
                    //删除订单功能实现
                    System.out.println("订单编号\t菜品\t份数\t总金额\t联系人\t联系方式\t送餐时间\t送餐地址\t订单状态");
                    for(int i=0; i<names.length; i++){
                        if(names[i]!=null){
                            System.out.println((i+1)+"\t"+dishName[i]+"\t"+counts[i]+"\t"+sumMoney[i]+"\t"+names[i]+"\t"+phoneNumbers[i]+"\t"+times[i]+"\t"+address[i]+"\t"+(states[i]==false?"未签收":"已签收"));
                        }
                    }
                    if(!(names[0]==null)){
                        System.out.print("请输入需要删除的订单编号:");
                        int delNo = sc.nextInt();
                        while(delNo<1||delNo>5){
                            System.out.print("订单编号超出范围，数据不合法...");
                            System.out.print("请重新输入:");
                            delNo = sc.nextInt();
                        }
                        for(int i=0; i<names.length; i++){
                            if(names[i]!=null&&i==delNo-1&&states[i]==true){
                                for(int j=i; j<names.length-1;j++){
                                    names[i] = names[i+1];
                                    dishName[i] = dishName[i+1];
                                    counts[i] = counts[i+1];
                                    sumMoney[i] = sumMoney[i+1];
                                    phoneNumbers[i] = phoneNumbers[i+1];
                                    times[i] = times[i+1];
                                    address[i] = address[i+1];
                                    states[i] = states[i+1];
                                }
                                names[names.length-1] = null;
                                dishName[names.length-1] = null;
                                counts[names.length-1] = 0;
                                sumMoney[names.length-1] = 0.0;
                                phoneNumbers[names.length-1] = null;
                                times[names.length-1] = null;
                                address[names.length-1] = null;
                                states[names.length-1] = false;
                                System.out.println("订单编号为:"+delNo+"的订单删除成功！可以通过餐袋查看删除结果~~~");
                                break;
                            }else if(names[i]!=null&&i==delNo-1&&states[i]==false){
                                System.out.println("订单未签收，无法删除！");
                                break;
                            }else if(names[i]==null&&i==delNo-1){
                                System.out.println("订单编号不存在，无法删除！");
                                break;
                            }
                        }
                    }else {
                        System.out.println("无订单内容，无法删除！");
                    }

                    break;
                case 5:
                    //我要点赞功能实现
                    System.out.println("编号\t\t菜品\t\t单价\t\t点赞数");
                    for(int j=0; j<dishes.length; j++){
                        System.out.println((j+1)+"\t\t"+dishes[j]+"\t\t"+prices[j]+"\t\t"+praise[j]);
                    }
                    System.out.print("请输入菜品编号:");
                    int dishNo = sc.nextInt();
                    if(dishNo>6||dishNo<1){
                        System.out.println("您选择的菜品不存在，点赞失败！");
                    }else{
                        praise[dishNo-1]++;
                        System.out.println("点赞成功！当前菜品有["+praise[dishNo-1]+"]个赞！");
                    }
                    break;
                case 6:
                    //退出系统功能实现
                    System.out.println("谢谢使用！欢迎下次光临~~~");
                    System.exit(0);
                    break;
                default:
                    //选择功能序号有误
                    System.out.println("输入的选择有误！");
                    break;
            }
            System.out.print("输入yes继续使用，输入其他自动退出：");
            isExit= sc.next();
        }while(isExit.equalsIgnoreCase("yes"));
    }
}

吃货联盟个人的小思路~~

本文地址：https://blog.csdn.net/qq_47938500/article/details/107381678