吃货联盟订餐系统

java简易餐馆订单系统

package chihuoxitong;

import java.util.Scanner;
public class index {

public static void main(String[] args) {
	// TODO Auto-generated method stub
	String[] names=new String[4];         //点单人员名单
	String[] dishMegs=new String[4];      //选择菜品信息
	int[]    times=new int[4];            //订单时间
	String[] addresses=new String[4];     //送餐地址
	int[]    states=new int[4];           //订单状态
	double[] sumPrices=new double[4];     //总金额
	String[] dishNames= {"红烧带鱼","鱼香肉丝","时令鲜蔬"};	//菜品名称
	double[] prices=new double[] {38.0,20.0,10.0};      //菜品单价
	int[]praiseNums=new int[3];                         //点赞数
	
	names[0]="张三";          //存储订单，调试
	dishMegs[0]="鱼香肉丝两份";
	times[0]=14;
	addresses[0]="学院";
	sumPrices[0]=61.7;
	states[0]=1;
			
	Scanner input=new Scanner(System.in);  
	int num=-1;
	boolean isExit=false;
	System.out.println("欢迎使用使用吃货联盟订餐系统");

do {
System.out.println(“");
System.out.println(“1 我要订餐”);
System.out.println(“2 查看餐带”);
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”);
System.out.println("”);
System.out.println(“请选择”);
String chose=input.next();
while(!(“1”.equals(chose)||“2”.equals(chose)||“3”.equals(chose)||“4”.equals(chose)||“5”.equals(chose)||“6”.equals(chose))) {

	System.out.println("输入有误请重新输入");
	chose=input.next();
}
int choose =Integer.parseInt(chose);//避免输入非法字符导致程序异常
switch (choose) {
case 1://点餐功能
	    System.out.println("****点餐****");
for(int i=0;i<names.length;i++) {
		if(names[i]==null) {
	System.out.println("请输入姓名");
	String name=input.next();//保存点单人员
	System.out.println("序号"+"\t"+"菜名"+"\t"+"\t"+"价格"+"\t"+"点赞");
	          for(int j=0;j<dishNames.length;j++)
	          {
		      System.out.println((j+1)+"\t"+dishNames[j]+"\t"+"\t"+prices[j]+"\t"+praiseNums[j]);	//菜单列表		
	          }
	System.out.println("请选择你想要的菜品的序号");
	int dishMeg=0;
				  do{
				      if(input.hasNextInt()) {
				    dishMeg=input.nextInt();
				       break;
				     }else {
				    input.next();
				    System.out.println("输入错误，请重新输入");
				          }
				    }while(true);
	  while (dishMeg<1||dishMeg>3) {
             System.out.println("菜品序号有误，请重新输入");
            dishMeg=input.nextInt();				
      						   }
	    System.out.println("请选择份数");
	       int timees=0;
	               do{
	            	if(input.hasNextInt()) {
	            		timees=input.nextInt();
	            		break;
	            		}else {
	            			input.next();
	    	            System.out.println("输入错误，请重新输入");
	            		}
	                  }while(true);
	     System.out.println("请您在10:00到20:00选择一个整点送餐");
	    int time=0;
	                do{
	    	         if(input.hasNextInt()) {
	    		      time=input.nextInt();
	    		      break;
	                   }else {
	     	           input.next();
	    	            System.out.println("输入错误，请重新输入");
	                    }
	                   }while(true);
         while (time<10||time>20) {
             System.out.println("时间有误，请重新输入");
             time=input.nextInt();				
         						   }
	      System.out.println("请输入送餐地址");
	      String address=input.next();
	   double price =prices[dishMeg-1]*timees;
	   double exprice=prices[dishMeg-1]*timees>50?0:5;
	  
	   //显示点单信息
	   System.out.println("点餐成功");
          System.out.print("您定的是："+dishNames[dishMeg-1]+ "\n"+"送餐时间："+time +"\n"+"送餐地点："+address +"\n"+"餐费："+ price+"\n"+"送餐费："+exprice +"\n"+"总费用："+(price+exprice) +"\n");		   
	 
          names[i]=name;
          dishMegs[i]=dishNames[i]+timees+"份";
          times[i]=time;
          addresses[i]=address;
          sumPrices[i]=price+exprice;
          states [i] =0;         //保存订单信息           
          break;		   
		}else if (names[names.length-1]!=null) {
			System.out.println("餐袋已满");
		}
			
	}
	break;
case 2://查看餐袋
	System.out.println("****查看餐袋****");
	System.out.println("单号"+"\t"+"订餐人"+"\t"+"餐品信息"+"\t"+"\t"+"送餐时间"+"\t"+"送餐地址"+"\t"+"总金额"+"\t"+"订单状态");
	for(int i=0;i<names.length;i++){
		if(names[i]!=null) {
		System.out.println((i+1)+"\t"+names[i]+"\t"+ dishMegs[i]+"\t"+times[i]+"\t"+addresses[i]+"\t"+sumPrices[i]+"\t"+states[i]);
	}else if(names[0]==null) {
		System.out.println("没有订单信息");
		break;
	}
		}
	break;
case 3://签收订单
	System.out.println("****签收****");
	System.out.println("请选择要签收的单号");
	System.out.println("单号"+"\t"+"订餐人"+"\t"+"餐品信息"+"\t"+"\t"+"送餐时间"+"\t"+"送餐地址"+"\t"+"总金额"+"\t"+"订单状态");
	for(int i=0;i<names.length;i++){
		if(names[i]!=null) {
		System.out.println((i+1)+"\t"+names[i]+"\t"+ dishMegs[i]+"\t"+times[i]+"\t"+addresses[i]+"\t"+sumPrices[i]+"\t"+states[i]);
	}else if(names[0]==null){
		System.out.println("目前没有订单信息");
		break;
	}
		}
	int s;
    do{
    	if(input.hasNextInt()) {
    		s=input.nextInt();
    		break;
    }else {
    	input.next();
    	System.out.println("输入错误，请重新输入");
          }
    }while(true);
	
		if( states [s-1] ==0&&names[s-1]!=null) {
			states[s-1]=1;
			System.out.println("订单签收成功");
			
		}else if(states [s-1] ==1&&names[s-1]!=null){
			
			System.out.println("订单已经签收，不能再次签收");
			
		}else {
			System.out.println("订单不存在，不可签收");
			
				
	}
	break;
case 4://删除订单
	System.out.println("****删除订单****");
	System.out.println("请输入要删除的订单号");
	System.out.println("单号"+"\t"+"订餐人"+"\t"+"餐品信息"+"\t"+"\t"+"送餐时间"+"\t"+"送餐地址"+"\t"+"总金额"+"\t"+"订单状态");
	for(int i=0;i<names.length;i++){
		if(names[i]!=null) {
		System.out.println((i+1)+"\t"+names[i]+"\t"+ dishMegs[i]+"\t"+times[i]+"\t"+addresses[i]+"\t"+sumPrices[i]+"\t"+states[i]);
	}else if(names[0]==null) {
		System.out.println("没有订单信息");
		break;
	}
		}
	int Order=0;
    do{
    	if(input.hasNextInt()) {
    		 Order=input.nextInt();
    		break;
    }else {
    	input.next();
    	System.out.println("输入错误，请重新输入");
          }
    }while(true);
	for(int i=1;i<=names.length;i++) {
		if(Order==i&&states [i-1] ==1&&names[i-1]!=null) {
			for(int j=Order-1;j<names.length-1;j++) {
				names[j]=names[j+1];
				 dishMegs[j]= dishMegs[j+1];
				 times[j]=times[j+1];
				 addresses[j]=addresses[j+1];
				 sumPrices[j]=sumPrices[j+1];
				 states[j]= states[j+1];
			}
			names[names.length-1]=null;
			 dishMegs[names.length-1]= null;
			 times[names.length-1]=0;
			 addresses[names.length-1]=null;
			 sumPrices[names.length-1]=0;
			 states[names.length-1]= 0;
			 System.out.println("删除订单成功");
			 break;
		}else if (Order==i&&states [i-1] ==0&&names[i-1]!=null) {
			System.out.println("订单未签收，不能删除！");
			break;				
		}else {
			System.out.println("单号信息错误");
			break;
		}
		
	}
	break;
case 5://点赞
	System.out.println("****点赞系统****");		
	System.out.println("此功能需要对用户信息进行确认，请输入您的名字");
	boolean a=false;
	
		String message=input.next();
	
		for (int i = 0; i < names.length; i++) {		
		if (message.equals(names[i])) {
			System.out.println("验证成功，您可以继续操作");
			a=true;
			}
}
		if(!a) {
	System.out.println("信息错误，将退出此功能");
	break;
}			
	System.out.println("序号"+"\t"+"菜名"+"\t"+"价格"+"\t"+"点赞");
	for(int j=0;j<dishNames.length;j++)
	{
		System.out.println((j+1)+"\t"+dishNames[j]+"\t"+prices[j]+"\t"+praiseNums[j]);	//菜单列表		
	}
	System.out.println("请输入你想要的点赞的菜品");
	int puls=0;
	do{
    	if(input.hasNextInt()) {
    		puls=input.nextInt();
    		break;
    }else {
    	input.next();
    	System.out.println("输入错误，请重新输入");
          }
    }while(true);
	for(int i=0;i<dishNames.length;i++) {
		if(dishNames[puls-1]==dishNames[i]) {
			praiseNums[i]=praiseNums[i]+1;
			System.out.println("点赞成功");
			break;
		}				
	}		
	break;
case 6:
	System.out.println("退出功能");
	isExit=true;
	break;
default:
	break;
}
if(!isExit) {
	System.out.println("输入0返回");
	String chart=input.next();
	while(!"0".equals(chart)) {
		System.out.println("只有输入0才能返回哦！");
		chart=input.next();			
	}
	 num=Integer.parseInt(chart);
}else {
	break;
}

}while(num==0);
input.close();

}

}

本文地址：https://blog.csdn.net/wolailxiaotan/article/details/109572718