import java.util.Scanner;
import java.util.*;
 
public class OrderingMsg {
 
public static void main(String[] args) {
// 數(shù)據(jù)主體：一組訂單信息
String[] names = new String[4]; // 訂餐人名稱
String[] dishMegs = new String[4]; // 所選菜品
int[] times = new int[4]; // 送餐時間
String[] addresses = new String[4]; // 送餐地址
int[] states = new int[4]; // 訂單狀態(tài)： 0：已預定 1：已完成
double[] sumPrices = new double[4]; // 總金額
 
//初始化2個訂單信息
names[0] = "張晴";
dishMegs[0] = "紅燒帶魚 2份";
times[0] = 12;
addresses[0] = "天成路207號";
sumPrices[0] = 76.0;
states[0] = 1;
 
names[1] = "張晴";
dishMegs[1] = "魚香肉絲 2份";
times[1] = 18;
addresses[1] = "天成路207號";
sumPrices[1] = 20.0;
 
// 供選擇的菜品信息
String[] dishNames = { "紅燒帶魚", "魚香肉絲", "時令鮮蔬" }; // 菜品名稱
double[] prices = new double[] { 38.0, 20.0, 10.0 }; // 菜品單價
int[] praiseNums = new int[3];
 
Scanner input = new Scanner(System.in);
int num = -1; // 用戶輸入0返回主菜單，否則退出系統(tǒng)
boolean isExit = false; // 標志用戶是否退出系統(tǒng)： true:退出系統(tǒng)
 
System.out.println("\n歡迎使用“吃貨聯(lián)盟訂餐系統(tǒng)”");
// 循環(huán)：顯示菜單，根據(jù)用戶選擇的數(shù)字執(zhí)行相應功能
do {
// 顯示菜單 
System.out.println("****************************");
System.out.println("1、我要訂餐");
System.out.println("2、查看餐袋");
System.out.println("3、簽收訂單");
System.out.println("4、刪除訂單");
System.out.println("5、我要點贊");
System.out.println("6、退出系統(tǒng)");
System.out.println("****************************");
System.out.print("請選擇：");
int choose = input.nextInt(); // 記錄用戶選擇的功能編號
boolean isAdd = false; //記錄是否可以訂餐
boolean isSignFind = false; //找到要簽收的訂單
boolean isDelFind = false; //找到要刪除的訂單
// 根據(jù)用戶選擇的功能編號執(zhí)行相應功能
switch (choose) {
case 1:
// 我要訂餐
System.out.println("***我要訂餐***");
System.out.print("請輸入訂餐人姓名：");
String name=input.next();
isAdd=true;
int j = 0;
for (; j < names.length; j++) { 
        //todo
if(names[j]==null){
 
names[j]=name;
break;
} 
else {
isAdd=true;
}
     }
 
if(!isAdd){
System.out.println("對不起，您的餐袋已滿！");
}
else {
System.out.println("序號"+"\t"+"菜品名"+"\t"+"價格");
for(int i=0;i<dishNames.length;i++){
System.out.print(i+1+"\t"+dishNames[i]+"\t"+prices[i]+"\n");
 
}
System.out.print("請輸入菜品編號：");
int dishNum=input.nextInt();
System.out.print("請輸入菜品數(shù)量：");
int dishCnt=input.nextInt();
String dishMeg=dishNames[dishNum-1]+dishCnt+"份";
dishMegs[j]=dishMeg;
System.out.print("請輸入收貨地址：");
String Addr=input.next();
addresses[j]=Addr;
System.out.print("請輸入收貨時間：");
int time=input.nextInt();
times[j]=time;
double sumPrice=prices[dishNum-1]*dishCnt;
double deliCharge=(sumPrice>50)?0:5;
System.out.println("餐費："+sumPrice+"元，送餐費："+deliCharge+"元，總計："+(sumPrice+deliCharge)+"元。");
sumPrices[j]=sumPrice+deliCharge;
}
break;
case 2:
// 查看餐袋
System.out.println("***查看餐袋***");
System.out.println("序號\t訂餐人\t餐品信息\t\t送餐日期\t送餐地址\t\t總金額\t訂單狀態(tài)");
 //todo
for(int i=0;names[i]!=null;i++) {
String sta=(states[i]==1)?"已完成":"已預定";
System.out.print((i+1)+"\t"+names[i]+"\t"+dishMegs[i]+"\t"+times[i]+"\t"+addresses[i]+"\t"+sumPrices[i]+"\t"+sta+"\n");
 
}
break;
case 3:
// 簽收定單
System.out.println("***簽收定單***");
 
 //todo
System.out.println("序號\t訂餐人\t餐品信息\t\t送餐日期\t送餐地址\t\t總金額\t訂單狀態(tài)");
for(int i=0;names[i]!=null;i++) {
String sta=(states[i]==1)?"已完成":"已預定";
System.out.print((i+1)+"\t"+names[i]+"\t"+dishMegs[i]+"\t"+times[i]+"\t"+addresses[i]+"\t"+sumPrices[i]+"\t"+sta+"\n");
 
}
System.out.print("請選擇要簽收的訂單序號：");
int n=input.nextInt();
states[n-1]=1;
System.out.println("序號\t訂餐人\t餐品信息\t\t送餐日期\t送餐地址\t\t總金額\t訂單狀態(tài)");
for(int i=0;names[i]!=null;i++) {
String sta=(states[i]==1)?"已完成":"已預定";
System.out.print((i+1)+"\t"+names[i]+"\t"+dishMegs[i]+"\t"+times[i]+"\t"+addresses[i]+"\t"+sumPrices[i]+"\t"+sta+"\n");
 
}
break;
case 4:
// 刪除訂單
System.out.println("***刪除訂單***");
System.out.println("序號\t訂餐人\t餐品信息\t\t送餐日期\t送餐地址\t\t總金額\t訂單狀態(tài)");
for(int i=0;i<4;i++) {
String sta=(states[i]==1)?"已完成":"已預定";
System.out.print((i+1)+"\t"+names[i]+"\t"+dishMegs[i]+"\t"+times[i]+"\t"+addresses[i]+"\t"+sumPrices[i]+"\t"+sta+"\n");
 
}
System.out.print("請輸入要刪除的訂單序號:");
 //todo
int m=input.nextInt();
for(int k=m; k<4;k++)
{
names[k-1]=names[k];
dishMegs[k-1]=dishMegs[k];
times[k-1]=times[k];
addresses[k-1]=addresses[k];
sumPrices[k-1]=sumPrices[k];
states[k-1]=states[k];
}
System.out.println("序號\t訂餐人\t餐品信息\t\t送餐日期\t送餐地址\t\t總金額\t訂單狀態(tài)");
for(int i=0;i<4;i++) {
String sta=(states[i]==1)?"已完成":"已預定";
System.out.print((i+1)+"\t"+names[i]+"\t"+dishMegs[i]+"\t"+times[i]+"\t"+addresses[i]+"\t"+sumPrices[i]+"\t"+sta+"\n");
 
}
break;
case 5:
// 我要點贊
System.out.println("***我要點贊***");
// 顯示菜品信息
System.out.println("序號" + "\t" + "菜名"+"\t"+"單價");
for(int i=0;i<dishNames.length;i++){
System.out.print(i+1+"\t"+dishNames[i]+"\t"+prices[i]+"\t"+praiseNums[i]+"贊"+"\n");
}
 //todo
System.out.print("請輸入點贊序號：");
int number=input.nextInt();
praiseNums[number-1]=praiseNums[number-1]+1;
System.out.println("序號" + "\t" + "菜名"+"\t"+"單價");
for(int i=0;i<dishNames.length;i++){
System.out.print(i+1+"\t"+dishNames[i]+"\t"+prices[i]+"\t"+praiseNums[i]+"贊"+"\n");
}
break;
case 6:
// 退出系統(tǒng)
isExit = true;
break;
default:
//退出系統(tǒng)
isExit = true;
break;
}
if (!isExit) {
System.out.print("輸入0返回：");
num = input.nextInt();
} else {
break;
}
} while (num == 0);
System.out.println("謝謝使用，歡迎下次光臨！");
}
}