吃货联盟 源代码 Java初级小项目

  今天给大家一个小的项目:吃货联盟订餐系统。项目功能也很简单:只是模拟日常的订餐流程呦,所以有错误以及功能不完善的地方大家多多包涵 O(∩_∩)O哈哈~

  首先,先展示下代码功能,代码也不是很多,就200多行!主要功能如下:

 

                              

首先进入系统后,是菜单的展示:

 用户输入选择,并对输入的选择进行判断,如果有误,就退出系统!

 用户输入1后,进行点餐,并输入点餐人姓名,以及点的份数和时间、地址,会自动计算出费用返回给用户。

 用户输入2后,可以查看餐袋,发现自己点的订单已在餐袋中

 

 用户输入3后,可以签收订单,如果订单是已预订状态,可以进行签收;如果是已完成状态,不能签收订单;否则提示用户找不到订单信息,不能签收!

 

 用户输入4后,可以对订单进行删除。如果订单是已预订状态,不能删除;如果是已完成状态,可以删除;否则提示用户找不到订单,不能删除!

 用户输入5后,可以进行点赞,输入点赞的序号,进行点赞。返回后可以再次进入进行查看点赞数!!!

 用户输入6后,退出系统!!!

package cn.kgc.sg.Demo;
import java.util.*;

public class DingCanSystem {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		String names[] = new String[4];  //姓名
		String dishMsg[] = new String[4]; //菜品信息
		int times[] = new int[4]; //送餐时间
		String address[] = new String[4];  //送餐地址
		int states[] =new int[4];  //订单状态    0:已完成  1:已预订
		double sumPrices[] = new double[4];  //订单总金额
		
		names[0] = "孙港";
		dishMsg[0] = "玉米";
		times[0] = 12;
		address[0] = "柏悦澜庭";
		states[0] = 1;
		sumPrices[0] = 100;
		
		names[1] = "王玥";
		dishMsg[1] = "大米";
		times[1] = 14;
		address[1] = "中博校区";
		states[1] = 0;
		sumPrices[1] = 200;
		System.out.println("欢迎光临吃货联盟订餐系统》》》》》》》");
		System.out.println("**************************");
		/**
		 * 定义并初始化菜单信息
		 */
		String dishMeg[] = {"西红柿炒鸡蛋","火锅牛肉","泡椒凤爪"};
		double prices[] ={58,99,36};
		int [] zan =new int[4];
		boolean isExit = false; //false 不退出系统
		int nums = -4; //随意赋值
		do{
			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.点赞人数");
			System.out.println("6.退出系统");

			System.out.print("请输入您的选择: ");
			int choose = sc.nextInt();
			
			boolean isAdd =false; //false 是不能点餐
			boolean isFind = false ;//false 不能找到订单编号
			boolean isDel = false;  //false 不能删除
			switch(choose){
				case 1:
					System.out.println("*****我要订餐*****");
					for(int i = 0;i<names.length;i++){
						if(names[i] == null){
							isAdd = true;
							System.out.print("请输入订餐人的姓名:");
							String name = sc.next();
								//遍历菜单信息
							
								System.out.println("序号"+"\t\t"+"菜单"+"\t\t"+"单价"+"\t\t"+"点赞数");
								for(int j = 0 ;j<dishMeg.length;j++){
									String yuan = prices[j]+"元";
									System.out.println((j+1)+"\t\t"+dishMeg[j]+"\t\t"+yuan+"\t\t"+zan[j]);
								}
								System.out.print("请输入订餐的编号:");
								int bianhao = sc.nextInt();
								String dishName = dishMeg[bianhao-1];
								
								System.out.print("请输入订餐的份数:");
								int fen = sc.nextInt();
								double p=prices[bianhao-1];
								double sumPrice = p*fen;
								int ptf = sumPrice>50 ? 0 : 6;
								
								
								System.out.print("请输入订餐时间(营业时间在10-20点):");
								int time = sc.nextInt();
								while(time<10 || time>20){
									System.out.print("请在营业时间内订餐(10-20点),请重新输入:");
									time = sc.nextInt();
								}
								System.out.print("请输入送餐地址:");
								String dizhi = sc.next();
								System.out.println(".............订餐成功...........");
								System.out.println("您订的是:"+dishName+" ,"+fen+"份!");
								System.out.println("餐费是:"+sumPrice+",送餐费是:"+ptf+"元,合计:"+(sumPrice+ptf)+"元!");
							
								//将对应的值存到数组中
								names[i]=name;
								times[i]=time;
								address[i]=dizhi;
								dishMsg[i]= dishName;  //dishMeg
								sumPrices[i]=(sumPrice+ptf);
								break;
						}
					}	
					if(!isAdd){
						System.out.println("sorry,餐袋已满,不能点餐!!!");
					}
					break;
					
				case 2:
					System.out.println("*****查看餐袋*****");
					System.out.println("序号"+"\t\t"+"订餐人"+"\t\t"+"菜品信息"+"\t\t"+"送餐日期"+"\t\t"+
					    "送餐地址"+"\t\t"+"总金额"+"\t\t"+"订单状态");
					for(int i=0;i<names.length;i++){
						if(names[i] != null){
							String time = times[i]+"时";
							String price = sumPrices[i]+"元";
							String state=states[i]== 1 ? "已完成" : "已预订";
							
					System.out.println((i+1)+"\t\t"+names[i]+"\t\t"+dishMsg[i]+"\t\t"+time+
							"\t\t"+address[i]+"\t\t"+price+"\t\t"+state);
						}		
					}	
					break;
					
				case 3:
					System.out.println("***********签收订单**********");
					System.out.print("请选择要签收的编号:");
					int orderId = sc.nextInt();
					for(int i=0;i<names.length;i++){
						if(names[i] != null && states[i]==0 && orderId == i+1){
							//可以签收
							states[i]=1;
							isFind = true;
							System.out.println("订单签收成功!");
							break;
						}else if(names[i] != null && states[i]==1 && orderId == i+1){
							//不能签收
							isFind = true;
							System.out.println("订单不能签收!");
							break;
						}		
					}	
					if(!isFind){
						System.out.println("输入的订单号有误!!!");
					}
					break;
					
				case 4:
					System.out.println("*********删除订单*********");
					System.out.print("请输入删除的订单编号:");
					int delId = sc.nextInt();
					//循环遍历数组
					for(int i = 0;i<names.length;i++){
						//判断是否可删除 存在的状态
						if(names[i] != null && states[i]==1 && delId==i+1){
							//能删除
							isDel = true;
							for(int j=delId-1;j<names.length-1;j++){
								names[j]=names[j+1];
								times[j]=times[j+1];
								dishMsg[j]=dishMsg[j+1];
								address[j]=address[j+1];
								sumPrices[j]=sumPrices[j+1];
								states[j]=states[j+1];
							}
							System.out.println("已完成的订单已被删除!!!");
							//将最后一个位置置空
							names[names.length-1] = null;
							times[names.length-1] = 0;
							dishMsg[names.length-1] = null;
							address[names.length-1] = null;
							sumPrices[names.length-1] = 0;
							states[names.length-1] = 0;
							break;
							
						}else if(names[i] != null && states[i]==0 && delId==i+1) {
							//不能删除
							isDel = true;
							System.out.println("订单未完成,不能删除!!!");
								
						}
					}
					if(!isDel){
						System.out.println("您输入的订单号有误!!!");
					}
					break;
					
				case 5:
					System.out.println("******我要点赞******");
					System.out.println("序号"+"\t\t"+"菜单"+"\t\t"+"单价"+"\t\t"+"点赞数");
					for(int j = 0 ;j<dishMeg.length;j++){
						String yuan = prices[j]+"元";
						System.out.println((j+1)+"\t\t"+dishMeg[j]+"\t\t"+yuan+"\t\t"+zan[j]);
					}
					System.out.print("请输入您要点赞的序号:");
					int num = sc.nextInt();
					zan[num-1]=zan[num-1]+999;
					System.out.println("恭喜您点赞成功!!!");
					break;
					
				case 6:
					isExit = true;
					break;	
				      default:
					    isExit = true;
			}	
			
			if(!isExit){
			System.out.print("输入0返回!(请再次输入):");
			nums = sc.nextInt();
		}else{
			break;
		}
			
		}while(nums == 0);
		System.out.println("成功退出系统,欢迎下次使用!");
		
	}
}

 

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posted @ 2020-06-29 14:49  你是人间四月天丿  阅读(1222)  评论(1编辑  收藏  举报