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java订餐系统代码 java订餐系统编写( 二 )

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do {
System.out.println("************************");
System.out.println("1、java订餐系统代码我要订餐");
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、java订餐系统代码我要点赞");
System.out.println("6、退出系统");
System.out.println("************************");
System.out.print("请选择：");
num = input.nextInt();// 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; inames.length; i++) {
if (names[i] == null) {
isAdd = false;
System.out.print("请输入订餐人姓名：");
String name = input.next();
System.out.println("序号" + "\t" + "菜名" + "\t\t" + "单价" + "\t" + "点赞数");
for (int j = 0; jdishNames.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 = input.nextInt();
String dishMeg = dishNames[chooseDish - 1];
System.out.print("请选择您需要的份数：");
int number = input.nextInt();
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 = input.nextInt();
while (time10 || time20) {
System.out.print("您的输入有误，请输入10-20间的整数");
time = input.nextInt();
}
System.out.print("请输入送餐地址：");
String address = input.next();
// 默认可以预定，不用写订单状态
System.out.println("订餐成功java订餐系统代码！");
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 。");
// 添加数据
names[i] = name;
dishMegs[i] = dishMeg;
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java订餐系统代码！");
}
}
break;
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; inames.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 = input.nextInt();
for (int i = 0; inames.length; i++) {
if (names[i] != nullstates[i] == 0sign == i + 1) {
states[i] = 1;
System.out.println("订单签收成功！");
isSignFind = true;// 标记已找到的订单
} else if (names[i] != nullstates[i] == 1sign == i + 1) {
System.out.println("您选择的订单已完成签收 ， 不能再次签收！");
isSignFind = true;// 标记已找到的订单
}
}
if (!isSignFind) {
System.out.println("您选择的订单不存在！");

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