static void Main(string[] args)
{
Console.WriteLine("Welcome to Order Management System!");
OrderService service = new OrderService();
string path = @"orders.xml";
service.Import(path);
while (true)
{
try
{
String orderID;
String customerName;
Console.WriteLine("\n");
String action = GetInput("1.add an order\t2.delete an order\t3.alter your order\t4.sort your orders\nPlease select an action: ");
switch (action)
{
case "1":
customerName = GetInput("Customer name:");
service.AddOrder(customerName, Int32.Parse(DateTime.Now.ToString("HHmmss")));
Console.WriteLine("Add an order successful!");
service.PrintOrders(service.orderList);
//Console.WriteLine("Your order ID is:" );
break;
case "2":
orderID = GetInput("Order ID:");
service.DeleteOrder(Int32.Parse(orderID));
Console.WriteLine("Delete the order successful!");
service.PrintOrders(service.orderList);
break;
case "3":
orderID = GetInput("Order ID:");
String operation = GetInput("add item\t" + "delete item\nPlease select an operation:");
switch (operation)
{
case "add item":
Console.WriteLine("Please enter item，amount and unitprice ,Separated by space");
string[] string1 = System.Text.RegularExpressions.Regex.Split(Console.ReadLine(), @"[ ]+");
string[] par3 = new string[3];
for (int i = 0; i < 3; i++)
{
par3[i] = string1[i];
}
service.AlterOrder(Int32.Parse(orderID), operation, par3);
service.PrintOrders(service.orderList);
break;
case "delete item":
Console.WriteLine("Please enter item and amount ,Separated by space");
string[] string2 = System.Text.RegularExpressions.Regex.Split(Console.ReadLine(), @"[ ]+");
string[] par2 = new string[2];
for (int i = 0; i < 2; i++)
{
par2[i] = (string2[i]);
}
service.AlterOrder(Int32.Parse(orderID), operation, par2);
service.PrintOrders(service.orderList);
break;
default:
throw new ArgumentException("Invalid input!");
}
break;
case "4":
Console.WriteLine("Please enter search conditions:");
customerName = GetInput("Customer name:");
orderID = GetInput("Order ID:");
String goodsName = GetInput("Goods name:");
customerName = customerName == "" ? null : customerName;
orderID = orderID == "" ? null : orderID;
goodsName = goodsName == "" ? null : goodsName;
List <Order> results = service.SearchOrder(customerName, orderID, goodsName);
service.PrintOrders(results);
break;
default:
throw new ArgumentException("No such operation!");
}
service.Export(path);
}
catch (ArgumentException e)
{
Console.WriteLine(e.Message);
}
catch (FormatException)
{
Console.WriteLine("Invalid input!");
}
}
}
static void Main(string[] args)
{
Console.WriteLine("Welcome to Order Management System!");
OrderService service = new OrderService();
service.Import("orders.xml");
service.OrderIDCounter = service.Orders != null && service.Orders.Count > 0
? service.Orders[service.Orders.Count - 1].OrderID : 0;
while (true)
{
try
{
String orderID;
String customerName;
String customerAddress;
String action = GetInput("1.add an order\t2.delete an order\t3.modify an order\t4.select the orders\nPlease select an action: ");
switch (action)
{
case "1":
customerName = GetInput("Customer name:");
customerAddress = GetInput("Customer address:");
Console.WriteLine("Add an order successful!");
Console.WriteLine("Your order ID is:" + service.AddOrder(new Order(0,
new Customer(customerName, customerAddress), DateTime.Now, new List <OrderItem>())));
break;
case "2":
orderID = GetInput("Order ID:");
service.DeleteOrder(Int32.Parse(orderID));
Console.WriteLine("Delete the order successful!");
break;
case "3":
orderID = GetInput("Order ID:");
String operation = GetInput(
"customer name\tcustomer address\torder time\tadd item\n" +
"delete item\tquantity\nPlease select an operation:"
);
String modifyData = "";
if (operation != "add item")
{
modifyData = GetInput("The data After modify:");
}
object data = null;
int goodsID = 0;
switch (operation)
{
case "customer name":
case "customer address":
data = modifyData;
break;
case "order time":
data = DateTime.Parse(modifyData);
break;
case "add item":
goodsID = Int32.Parse(GetInput("Goods ID:"));
int quantity = Int32.Parse(GetInput("Quantity:"));
data = new OrderItem(new Goods(goodsID), quantity);
break;
case "delete item":
goodsID = Int32.Parse(GetInput("Goods ID:"));
break;
case "quantity":
goodsID = Int32.Parse(GetInput("Quantity:"));
data = Int32.Parse(modifyData);
break;
default:
throw new ArgumentException("Invalid argument!");
}
service.AlterOrder(Int32.Parse(orderID), operation, data, goodsID);
Console.WriteLine("Modify successful!");
Console.Write(service.FindOrder(int.Parse(orderID), null, null)[0]);
break;
case "4":
Console.WriteLine("Please enter search conditions:");
orderID = GetInput("Order ID:");
String goodsName = GetInput("Goods name:");
customerName = GetInput("Customer name:");
int orderId = orderID == "" ? int.MinValue : int.Parse(orderID);
goodsName = goodsName == "" ? null : goodsName;
customerName = customerName == "" ? null : customerName;
List <Order> results = service.FindOrder(orderId, goodsName, customerName);
Console.WriteLine("Result:");
foreach (Order order in results)
{
Console.WriteLine(order);
}
break;
default:
throw new ArgumentException("No such operation!");
}
service.Export("orders.xml");
}
catch (ArgumentException e)
{
Console.WriteLine(e.Message);
}
catch (FormatException)
{
Console.WriteLine("Invalid input!");
}
}
}
static void Main(string[] args)
{
OrderService service = new OrderService();
Order firstOrder = new Order()
{
OrderCode = "5", Customer = new Customer {
Name = "Mike", Phone = "13845691234", Address = "Wuhan"
}, Items = new List <OrderItem>()
{
new OrderItem()
{
Commodity = new Commodity()
{
Code = "123456", Name = "Phone", Price = 3999.0F
}, Count = 2
}, new OrderItem()
{
Commodity = new Commodity()
{
Code = "123457", Name = "Pen", Price = 9.0F
}, Count = 30
}
}
};
Order secondOrder = new Order()
{
OrderCode = "4", Customer = new Customer {
Name = "Amy", Phone = "13845123457", Address = "Beijing"
}, Items = new List <OrderItem>()
{
new OrderItem()
{
Commodity = new Commodity()
{
Code = "123456", Name = "Phone", Price = 3999.0F
}, Count = 1
}, new OrderItem()
{
Commodity = new Commodity()
{
Code = "123457", Name = "Pen", Price = 9.0F
}, Count = 1
}
}
};
Order thirdtOrder = new Order()
{
OrderCode = "3", Customer = new Customer {
Name = "John", Phone = "13845123466", Address = "Shanghai"
}, Items = new List <OrderItem>()
{
new OrderItem()
{
Commodity = new Commodity()
{
Code = "123456", Name = "Phone", Price = 3999.0F
}, Count = 3
}, new OrderItem()
{
Commodity = new Commodity()
{
Code = "123457", Name = "Pen", Price = 9.0F
}, Count = 3
}
}
};
Order fourthOrder = new Order()
{
OrderCode = "2", Customer = new Customer {
Name = "Amy", Phone = "13845123356", Address = "Wuhan"
}, Items = new List <OrderItem>()
{
new OrderItem()
{
Commodity = new Commodity()
{
Code = "123456", Name = "Phone", Price = 3999.0F
}, Count = 4
}, new OrderItem()
{
Commodity = new Commodity()
{
Code = "123457", Name = "Pen", Price = 9.0F
}, Count = 6
}
}
};
Order fifthOrder = new Order()
{
OrderCode = "1", Customer = new Customer {
Name = "Bob", Phone = "13845123156", Address = "Guangzhou"
}, Items = new List <OrderItem>()
{
new OrderItem()
{
Commodity = new Commodity()
{
Code = "123456", Name = "Phone", Price = 3999.0F
}, Count = 5
}, new OrderItem()
{
Commodity = new Commodity()
{
Code = "123457", Name = "Pen", Price = 9.0F
}, Count = 10
}
}
};
try
{
//添加订单
Console.WriteLine("-------------Add Order-------------");
service.AddOrder(firstOrder);
service.AddOrder(secondOrder);
service.AddOrder(thirdtOrder);
service.AddOrder(fourthOrder);
service.AddOrder(fifthOrder);
service.Print();
//输出订单到XML文件
Console.WriteLine("-------------Export Orders----------");
service.Export(@"E:\order.xml");
Console.WriteLine("Successfully Exported.\n");
//删除所有订单
Console.WriteLine("-------------Delete All Orders------");
service.DeleteOrder("1");
service.DeleteOrder("2");
service.DeleteOrder("3");
service.DeleteOrder("4");
service.DeleteOrder("5");
Console.WriteLine("Successfully Deleted.\n");
service.Print();
//从XML文件导入订单
Console.WriteLine("-------------Import Orders----------");
service.Import(@"E:\order.xml");
Console.WriteLine("Successfully Imported.\n");
service.Print();
}
catch (Exception e)
{
//显示错误信息
Console.WriteLine(e.Message);
}
}
static void Main(string[] args)
{
OrderService os = new OrderService();
//新建订单操作
Order o1 = new Order(1, new OrderDetails("Coke", "Alan", 3));
Order o2 = new Order(1, new OrderDetails("Coke", "Alan", 3));
Order o3 = new Order(2, "Milk", "Betty", 20);
Order o4 = new Order(3, "Fruit", "Chris", 30);
Order o5 = new Order(4, "Beef", "Chris", 10);
//添加订单操作
Console.WriteLine("o1添加成功：" + os.AddOrder(o1));
Console.WriteLine("o2添加成功：" + os.AddOrder(o2));//重复，返回false
Console.WriteLine("o4添加成功：" + os.AddOrder(o4));
Console.WriteLine("o3添加成功：" + os.AddOrder(o3));
Console.WriteLine("o5添加成功：" + os.AddOrder(o5));
Console.WriteLine("\n\n原始订单");
foreach (Order o in os.orders)
{
//重写了ToString方法
Console.WriteLine(o);
}
//按订单号对订单排序
os.SortOrdersByOrderID();
Console.WriteLine("\n\n按订单号排序后");
//打印当前所有订单，已按订单号排序
foreach (Order o in os.orders)
{
Console.WriteLine(o);
}
//删除订单
Console.WriteLine("\n\no3删除成功：" + os.DeleteOrder(o3.orderID));
Console.WriteLine("删除o3后");
//打印当前所有订单，订单号2的订单已删除
foreach (Order o in os.orders)
{
Console.WriteLine(o);
}
Console.WriteLine("\n\n修改o1后");
//修改订单，将o1的cost改为100，productName改为wine
os.ModifyOrder(o1.orderID, "Wine", o1.orderDetails.customerName, 100);
//打印所有订单，此时o1的cost已经变为100,productName已经变为Wine
foreach (Order o in os.orders)
{
Console.WriteLine(o);
}
Console.WriteLine("\n\n按姓名查找,且按金额递增排序");
//按照顾客姓名查找，也可以按照订单号查找，并且返回按照订单金额排序的结果
var ordersByChris = os.QueryByCustomerName("Chris");
//打印查找结果
foreach (Order o in ordersByChris)
{
Console.WriteLine(o);
}
os.Export("s.xml");
Console.WriteLine("Exported.");
os.Import("s.xml");
Console.WriteLine("Imported.");
foreach (Order o in os.orders)
{
Console.WriteLine(o);
}
}
static void Main(string[] args)
{
OrderService service = new OrderService();
//有两个Order的订单号相同，应该只有一个成功加入
//Order 4中有两个OrderItem相同，应该只有一个成功加入
Order firstOrder = new Order()
{
OrderCode = "5", Customer = new Customer {
Name = "Mike", Phone = "13845691234", Address = "Wuhan"
}, Items = new List <OrderItem>()
{
new OrderItem()
{
Commodity = new Commodity()
{
Code = "123456", Name = "Phone", Price = 3999.0F
}, Count = 2
}, new OrderItem()
{
Commodity = new Commodity()
{
Code = "123457", Name = "Pen", Price = 9.0F
}, Count = 30
}
}
};
Order secondOrder = new Order()
{
OrderCode = "4", Customer = new Customer {
Name = "Amy", Phone = "13845123457", Address = "Beijing"
}, Items = new List <OrderItem>()
{
new OrderItem()
{
Commodity = new Commodity()
{
Code = "123456", Name = "Phone", Price = 3999.0F
}, Count = 1
}, new OrderItem()
{
Commodity = new Commodity()
{
Code = "123456", Name = "Phone", Price = 3999.0F
}, Count = 1
}
}
};
Order thirdtOrder = new Order()
{
OrderCode = "3", Customer = new Customer {
Name = "John", Phone = "13845123466", Address = "Shanghai"
}, Items = new List <OrderItem>()
{
new OrderItem()
{
Commodity = new Commodity()
{
Code = "123456", Name = "Phone", Price = 3999.0F
}, Count = 3
}, new OrderItem()
{
Commodity = new Commodity()
{
Code = "123457", Name = "Pen", Price = 9.0F
}, Count = 3
}
}
};
Order fourthOrder = new Order()
{
OrderCode = "2", Customer = new Customer {
Name = "Amy", Phone = "13845123356", Address = "Wuhan"
}, Items = new List <OrderItem>()
{
new OrderItem()
{
Commodity = new Commodity()
{
Code = "123456", Name = "Phone", Price = 3999.0F
}, Count = 4
}, new OrderItem()
{
Commodity = new Commodity()
{
Code = "123457", Name = "Pen", Price = 9.0F
}, Count = 6
}
}
};
Order fifthOrder = new Order()
{
OrderCode = "5", Customer = new Customer {
Name = "Bob", Phone = "13845123156", Address = "Guangzhou"
}, Items = new List <OrderItem>()
{
new OrderItem()
{
Commodity = new Commodity()
{
Code = "123456", Name = "Phone", Price = 3999.0F
}, Count = 5
}, new OrderItem()
{
Commodity = new Commodity()
{
Code = "123457", Name = "Pen", Price = 9.0F
}, Count = 10
}
}
};
try
{
//添加订单
Console.WriteLine("-------------Add Order-------------");
service.AddOrder(firstOrder);
service.AddOrder(secondOrder);
service.AddOrder(thirdtOrder);
service.AddOrder(fourthOrder);
service.AddOrder(fifthOrder);
service.Print();
//默认排序
Console.WriteLine("-------------Default Sort----------");
service.Sort();
service.Print();
//自定义排序
Console.WriteLine("-------------Customized Sort-------");
service.Sort((o1, o2) => { return((int)(o1.Total - o2.Total)); });
service.Print();
//删除Order 5 订单
Console.WriteLine("-------------Delete Order 5--------");
service.DeleteOrder("5");
service.Print();
//更新Order 4 订单
Console.WriteLine("-------------Update Order 4--------");
Order updateOrder = secondOrder;
secondOrder.Items[0].Count = 10;
service.UpdateOrder("4", updateOrder);
service.Print();
//查询订单号为2的订单
Console.WriteLine("-------------Select Order 2--------");
IEnumerable <Order> result1 = service.SelectOrder("OrderCode", "2");
foreach (Order e in result1)
{
Console.WriteLine(e);
}
//查询商品名为Pen的订单
Console.WriteLine("-------------Select Pen------------");
IEnumerable <Order> result2 = service.SelectOrder("CommodityName", "Pen");
foreach (Order e in result2)
{
Console.WriteLine(e);
}
//查询客户名为Amy的订单
Console.WriteLine("-------------Select Amy------------");
IEnumerable <Order> result3 = service.SelectOrder("CustomerName", "Amy");
foreach (Order e in result3)
{
Console.WriteLine(e);
}
}
catch (Exception e)
{
//显示错误信息
Console.WriteLine(e.Message);
}
}
