static void Main(string[] args)
{
Order[] originList = { new Order("EDX541253", "Andy Lau"), new Order("DFDSC34234", "Jack Bree"), new Order("LLP234234", "Charie Do") };
originList[0].CreateNewEntry("可乐", 1500, 3.5);
originList[0].CreateNewEntry("鸡翅", 552, 4.5);
originList[0].CreateNewEntry("鸡腿", 300, 6);
originList[1].CreateNewEntry("凳子", 25, 32.5);
originList[1].CreateNewEntry("公鸡", 20, 53);
originList[2].CreateNewEntry("鸡腿", 330, 6.6);
originList[2].CreateNewEntry("冰棍", 560, 3.5);
originList[2].CreateNewEntry("香蕉", 10000, 1.5);
foreach (Order order in originList)
{
orderservice.AddOrder(order);
}
Console.WriteLine("原始订单表：");
orderservice.ShowOrder();
Console.WriteLine("输入1添加订单，2删除订单，3修改订单，4查询订单，5打印订单表，6序列化订单表,7载入订单，0退出");
int A;
bool valid = int.TryParse(Console.ReadLine(), out A);
while (!valid || A < 0 || A > 7)
{
Console.Write("输入错误，请输入0 或 1 或 2 或 3 或 4 或 5 : ");
valid = int.TryParse(Console.ReadLine(), out A);
}
while (A != 0)
{
switch (A)
{
case 1:
AddOrder();
break;
case 2:
RemoveOrder();
break;
case 3:
orderservice.ShowOrder();
Console.Write("请输入要修改的订单序号(如果要删除序列表的第一个订单即订单1就输入1：");
int orderNum;
bool valid1 = int.TryParse(Console.ReadLine(), out orderNum);
while (!valid1 || A > orderservice.numOfOrder)
{
Console.Write($"输入错误，请输入小于等于{orderservice.numOfOrder}整型数字:");
valid1 = int.TryParse(Console.ReadLine(), out orderNum);
}
Order chosenOrder = orderservice.orderList[orderNum - 1];
AlterOrder(chosenOrder);
break;
case 4:
Console.WriteLine("输入1按照订单号查找，输入2按照客户姓名查找,输入3按照商品名称查找，输入4查询订单金额大于1万元的订单，0退出");
int A1;
bool valid2 = int.TryParse(Console.ReadLine(), out A1);
while (!valid2 || A1 < 0 || A1 > 4)
{
Console.Write("输入错误，请输入0 或 1 或 2 或 3 : ");
valid2 = int.TryParse(Console.ReadLine(), out A1);
}
switch (A1)
{
case 1:
Console.Write("\n输入要查询的订单号(可以查询出包含该字符串的订单，如 ED 可以查询出EDX541253: ");
string numOfOrder = Console.ReadLine();
Console.WriteLine(" 查询结果：");
orderservice.FindByNum(numOfOrder);
break;
case 2:
Console.Write("\n输入要查询的客户姓名(可以查询出包含该字符串的订单，如 And 可以查询出Andy Lau：");
string name = Console.ReadLine();
Console.WriteLine(" 查询结果：");
orderservice.FindByName(name);
break;
case 3:
Console.Write("\n输入要查询的商品名称(可以查询出包含该字符串的订单，如 香 可以查询出香蕉：");
string kind = Console.ReadLine();
Console.WriteLine(" 查询结果：");
orderservice.FindByKind(kind);
break;
case 4:
Console.WriteLine(" 查询结果：");
orderservice.FindTpMoreThan1000();
break;
default:
break;
}
break;
case 5:
orderservice.ShowOrder();
break;
case 6:
orderservice.Export();
break;
case 7:
orderservice = orderservice.Import();
break;
default:
break;
}
Console.WriteLine("输入1添加订单，2删除订单，3修改订单，4查询订单，5打印订单表，6序列化订单表,7载入订单，0退出");
valid = int.TryParse(Console.ReadLine(), out A);
while (!valid)
{
Console.Write("输入错误，请输入整型数字:");
valid = int.TryParse(Console.ReadLine(), out A);
}
}
}