适合初学者练习的吃货联盟订单系统Java代码
作者：互联网
package chihuo;
import java.util.Scanner;
public class OrderingUzi {
public static void main(String[] args) {
Scanner input=new Scanner(System.in);
String[]disName={"红烧带鱼","鱼香肉丝","时令鲜蔬"};
double[]prices=new double[]{38.0,20.0,10.0};
int[]praiseNumes=new int[3];
String[]name=new String[4]; //订餐人名称
String[]dishMegs=new String[4]; //保存所选信息,包括菜品名及份数
int[]times=new int[4]; //保存送餐时间
int[]disNums=new int[4];//保存份数
String[]addresses=new String[4]; //保存送餐地址
int[]states=new int[4]; //保存订单状态：0表示已订预1表示已完成
double[]money=new double[4]; //保存订单的总金额
{
name[0]="张倩";
dishMegs[0]="红烧带鱼两份";
disNums[0] = 2;
times[0]=12;
addresses[0]="天成路207号";
states[0]=1;
money[0]=76.0;
name[1]="张倩";
dishMegs[1]="红烧带鱼两份";
disNums[0] = 2;
times[1]=10;
addresses[1]="天成路207号";
states[1]=0;
money[1]=45.0;
}
System.out.println("欢迎使用吃货联盟订单系统");
int num=1;
boolean exit=false;
do {
System.out.println("*****************");
System.out.println("1.我要订餐");
System.out.println("2.查看参袋");
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.退出系统");
System.out.println("******************");
System.out.println("请选择");
num=input.nextInt();
/**
* 开始
*/
switch (num) {
case 1:
System.out.println("***我要订餐***");
boolean ding=false;
for (int i = 0; i < name.length; i++) {
if(name[i]==null){
ding=false;
System.out.println("请输入订餐人姓名");
String names=input.next();
System.out.println("序号"+"\t"+"菜名"+"\t"+"单价");
for (int j = 0; j < disName.length; j++) {
System.out.println((j+1)+"\t"+disName[j]+"\t"+prices[j]+"元"+"\t");
}
System.out.println("请选择您要的菜品编号");
int bian=input.nextInt();
String hao=disName[bian-1];
System.out.println("请选择您需要的份数");
int fen=input.nextInt();
System.out.println("请输入送餐时间(时间必须是10点至20点整点之间送餐)");
int time=input.nextInt();
while (time<10||time>20) {
System.out.println("您的输入有错,请输入正确时间");
time=input.nextInt();
}
System.out.println("请输入送餐地址");
String dizhi=input.next();
System.out.println("订餐成功");
System.out.println("您定的是"+disName[bian-1]+fen+"份");
System.out.println("送餐时间"+time+"点");
double sumprice=prices[bian-1]*fen;
double sendMoney=(sumprice>=50)?0:5;
System.out.println("餐费"+sumprice+"元"+"送餐费"+sendMoney+"元"+"总计"+(sumprice+sendMoney)+"元");
name[i]=names;
dishMegs[i] = hao;
times[i] = time;
disNums[i] = fen;
addresses[i] = dizhi;
prices[i] = sumprice + sendMoney;
break;
}
if(ding){
System.out.println("对不起您的参袋已满");
}
}
break;
case 2:
System.out.println("***查看参袋***");
System.out.println("序号\t订餐人\t餐品名称\t\t餐品数量\t\t送餐时间\t\t送餐地址\t\t总金额\t\t订单状态");
for (int i = 0; i < name.length; i++) {
if(name[i]!=null){
String state=(states[i]==0)?"已预订":"已成功";
System.out.println((i+1)+"\t"+name[i]+"\t"+dishMegs[i]+"\t"+disNums[i]+"份"+"\t\t"+times[i]+"\t\t"+addresses[i]+"\t"+prices[i]+"元"+"\t\t"+state);
}
}
break;
case 3:
System.out.println("***签收订单***");
boolean qian=false;
System.out.println("请选择要签收的订单序号");
int xu=input.nextInt();
for (int i = 0; i < name.length; i++) {
if(name[i]!=null&&states[i]==0&&xu==i+1){
states[i]=1;
System.out.println("订单签收成功");
qian=true;
}else if(name[i]!=null&&states[i]==1&&xu==i+1){
System.out.println("你选择的订单已完成签收，不能再次签收!");
qian=true;
}
}
if(!qian){
System.out.println("您选择的订单不存在");
}
break;
case 4:
System.out.println("***删除订单***");
boolean shan=false;
System.out.println("请输入要删除的订单序号");
int hao=input.nextInt();
for (int i = 0; i < name.length; i++) {
if(name[i]!=null&&states[i]==1&&hao==i+1){
shan=true;
for (int j = hao-1; j < name.length-1; j++) {
name[j]=name[j+1];
dishMegs[j]=dishMegs[j+1];
times[j]= times[j+1];
addresses[j]=addresses[j+1];
disNums[j]= disNums[j+1];
states[j]=states[j+1];
money[j]=money[j+1];
}
name[name.length-1]=null;
dishMegs[name.length-1]=null;
disNums[name.length-1]=0;
times[name.length-1]=0;
addresses[name.length-1]=null;
states[name.length-1]=0;
money[name.length-1]=0;
System.out.println("删除订单成功");
break;
}else if(name[i]!=null&&states[i]==0&&hao==i+1){
shan=true;
System.out.println("你选择的订单未收签，不能删除");
break;
}
}
if(!shan){
System.out.println("您要的删的订单不存在");
}
break;
case 5:
System.out.println("***我要点赞***");
System.out.println("序号\t菜名\t单价");
for (int i = 0; i < disName.length; i++) {
String praiseNume=(praiseNumes[i]>0)?praiseNumes[i]+"赞":"";
System.out.println((i+1)+"\t"+disName[i]+"\t"+prices[i]+"元"+praiseNume);
}
System.out.println("请选择你要点赞的菜品序号");
int cai=input.nextInt();
praiseNumes[cai-1]++;
System.out.println("点赞成功");
break;
case 6:
System.out.println("***退出系统***");
exit=true;
break;
default:
exit=true;
break;
}
if(!exit){
System.out.println("输入0返回");
num=input.nextInt();
}else{
break;
}
} while (num==0);
System.out.println("谢谢使用欢迎下次光临");
input.close();
}
}
标签：Java,name,int,吃货,System,length,初学者,println,out 来源： https://www.cnblogs.com/beiweihaohao/p/14722654.html