Java吃货联盟订餐系统代码实例本⽂实例为⼤家分享了Java订餐系统的具体代码,供⼤家参考,具体内容如下
package cn.practice1200;
import java.util.Scanner;
public class Eater_Alliance {
/**
* 吃货联盟订餐系统
*
* @author QCD
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner input = new Scanner(System.in);
// 初始化3个数组存储菜品、价格、点赞数
String[] dishNames = { "苦⽠炒鸡蛋", "红烧排⾻", "辣⼦鸡丁", "⽯锅鱼", "⿇婆⾖腐" };
double[] prices = { 15.0, 30.0, 35.0, 90.0, 20.0 };
int[] praiseNums = new int[5];
// 在初始化6个数组⽤于存储订单信息
String[] names = new String[5];// 保存订餐⼈姓名
String[] dishMegs = new String[5];// 保存所选菜品名
int[] dishNums = new int[5];// 保存所选菜品份数
int[] times = new int[5];// 保存送餐时间
String[] addresses = new String[5];// 保存送餐地址
int[] states = new int[5];// 保存订单状态:0表⽰已预订,1表⽰已完成
double[] sumPrices = new double[5];// 保存订单的总⾦额
// 初始化2条订单信息
// 第1条
names[0] = "王⼤锤";
dishMegs[0] = "辣⼦鸡丁";
dishNums[0] = 2;
times[0] = 12;
addresses[0] = "莞太路3号";
states[0] = 0;
sumPrices[0] = 70.0;
// 第2条
names[1] = "王⼤柱";
dishMegs[1] = "⿇婆⾖腐";
dishNums[1] = 1;
times[1] = 19;
addresses[1] = "建设路2号";
states[1] = 1;
sumPrices[1] = 25.0;
/* 实现菜单切换 */
System.out.println("欢迎使⽤“吃货联盟订餐系统”");
int num = 1;// ⽤户输⼊0返回主菜单否则退出系统
boolean isExit = false;// 标记⽤户是否退出系统,true为退出
// 循环控制⽤户输⼊选择并执⾏
do {
System.out.println("************************");
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");基于javaweb的美食食谱网站
System.out.println("5、我要点赞");
System.out.println("6、退出系统");
System.out.println("************************");
System.out.print("请选择:");
num = Int();// ⽤户输⼊所要选择进⾏的操作
/* 使⽤switch结构来建⽴选择内容 */
switch (num) {
case 1:// 我要订餐
System.out.println("***我要订餐***");
boolean isAdd = false;// 记录是否可以点餐
for (int i = 0; i < names.length; i++) {
if (names[i] == null) {
isAdd = false;
System.out.print("请输⼊订餐⼈姓名:");
String name = ();
System.out.println("序号" + "\t" + "菜名" + "\t\t" + "单价" + "\t" + "点赞数");
for (int j = 0; j < dishNames.length; j++) {
System.out.println(
(j + 1) + "\t" + dishNames[j] + "\t\t" + prices[j] + "元" + "\t" + praiseNums[j]);
}
System.out.print("请选择您要点的菜品编号:");
int chooseDish = Int();
String dishMeg = dishNames[chooseDish - 1];
System.out.print("请选择您需要的份数:");
int number = Int();
System.out.print("请输⼊送餐时间(送餐时间是10点⾄20点间整点送餐):");
int time = Int();
while (time < 10 || time > 20) {
System.out.print("您的输⼊有误,请输⼊10-20间的整数");
time = Int();
}
System.out.print("请输⼊送餐地址:");
String address = ();
// 默认可以预定,不⽤写订单状态
System.out.println("订餐成功!");
System.out.println("您定的是:" + dishNames[chooseDish - 1] + number + "份");
System.out.println("送餐时间:" + time + "点");
double sumPrice = prices[chooseDish - 1] * number;// 计算餐费
double sendMoney = (sumPrice >= 50) ? 0 : 5;// 计算送餐费
System.out.println("餐费:" + sumPrice + "元," + "送餐费" + sendMoney + "元," + "总计:"        + (sumPrice + sendMoney) + "元。");
衣物收纳柜// 添加数据
names[i] = name;
dishMegs[i] = dishMeg;失语症
times[i] = time;
dishNums[i] = number;
addresses[i] = address;
sumPrices[i] = sumPrice + sendMoney;
break;
}
if (isAdd) {
System.out.println("对不起,您的餐袋已满!");
}
}
break;
大班手指游戏case 2:// 查看餐袋
System.out.println("***查看餐袋***");
System.out.println("序号\t订餐⼈\t餐品名称\t餐品数量\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) {
String state = (states[i] == 0) ? "已预订" : "已完成";
System.out.println((i + 1) + "\t" + names[i] + "\t" + dishMegs[i] + "\t" + dishNums[i] + "份"
+ "\t" + times[i] + "\t" + addresses[i] + "\t" + sumPrices[i] + "元" + "\t" + state);
}
}
break;
case 3:// 签收订单
System.out.println("***签收订单***");
boolean isSignFind = false;
System.out.print("请选择要签收的订单序号:");
int sign = Int();
for (int i = 0; i < names.length; i++) {
if (names[i] != null && states[i] == 0 && sign == i + 1) {
states[i] = 1;
System.out.println("订单签收成功!");
isSignFind = true;// 标记已到的订单
} else if (names[i] != null && states[i] == 1 && sign == i + 1) {
System.out.println("您选择的订单已完成签收,不能再次签收!");
isSignFind = true;// 标记已到的订单
}
}
if (!isSignFind) {
System.out.println("您选择的订单不存在!");
四年级上册英语试卷}
break;
case 4:// 删除订单
System.out.println("***删除订单***");
boolean isDelFind = false;
System.out.print("请输⼊要删除的订单序号:");
int delID = Int();
for (int i = 0; i < names.length; i++) {
// 根据状态值判断能不能删除,只有已完成的才能删除
if (names[i] != null && states[i] == 1 && delID == i + 1) {
isDelFind = true;
for (int j = delID - 1; j < names.length - 1; j++) {
names[j] = names[j + 1];
dishMegs[j] = dishMegs[j + 1];
生化妊娠症状
dishNums[j] = dishNums[j + 1];
times[j] = times[j + 1];
addresses[j] = addresses[j + 1];
states[j] = states[j + 1];
sumPrices[j] = sumPrices[j + 1];
}
/
/ 将最后⼀位清空
names[names.length - 1] = null;
dishMegs[names.length - 1] = null;
dishNums[names.length - 1] = 0;
times[names.length - 1] = 0;
addresses[names.length - 1] = null;
states[names.length - 1] = 0;
sumPrices[names.length - 1] = 0;
System.out.println("删除订单成功!");
break;
} else if (names[i] != null && states[i] == 0 && delID == i + 1) {
isDelFind = true;
System.out.println("您选择的订单未签收,不能删除!");
break;
}
} // 未到的订单不能删除
if (!isDelFind) {
System.out.println("您要删除的订单不存在!");
}
break;
case 5:// 我要点赞
System.out.println("***我要点赞***");
/
/ 显⽰菜品信息
System.out.println("序号\t菜名\t单价");
for (int i = 0; i < dishNames.length; i++) {
String priaiseNum = (praiseNums[i] > 0) ? praiseNums[i] + "赞" : "";
System.out.println((i + 1) + "\t" + dishNames[i] + "\t" + prices[i] + "元" + priaiseNum);
}
System.out.print("请选择您要点赞的菜品序号:");
int number = Int();
praiseNums[number - 1]++;
System.out.println("点赞成功");
break;
case 6:// 退出系统
isExit = true;
break;
default:// 退出系统
isExit = true;
break;
}
// 返回主界⾯
if (!isExit) {
System.out.print("输⼊0返回:");
num = Int();
} else {
break;
}
} while (num == 0);
System.out.println("谢谢惠顾,欢迎您再次使⽤!");
input.close();
}
}
以上所述是⼩编给⼤家介绍的Java订餐系统详解整合,希望对⼤家有所帮助,如果⼤家有任何疑问请给我留⾔,⼩编会及时回复⼤家的。在此也⾮常感谢⼤家对⽹站的⽀持!