private void BtnFind_Click(object sender, EventArgs e)
{
switch (cmbAccordItem.SelectedIndex)
{
case 0: //所有订单
bindingSourceOrder.DataSource = orderService.orderList;
break;
case 1: //根据ID查询
IEnumerable <Order> orderList = orderService.FindOrder(Int32.Parse(txtAccordDtail.Text));
bindingSourceOrder.DataSource = orderList;
break;
case 2: //根据顾客名查询
IEnumerable <Order> orderList2 = orderService.FindOrder(false, txtAccordDtail.Text);
bindingSourceOrder.DataSource = orderList2;
break;
case 3: //根据商品物查询
IEnumerable <Order> orderList3 = orderService.FindOrder(true, txtAccordDtail.Text);
bindingSourceOrder.DataSource = orderList3;
break;
}
bindingSourceOrder.ResetBindings(true);
}
static void Main(string[] args)
{
//测试数据——订单明细
OrderItem itemOne = new OrderItem("铅笔", 5, 1);
OrderItem itemTwo = new OrderItem("钢笔", 10, 50);
OrderItem itemThree = new OrderItem("圆珠笔", 20, 2);
OrderItem itemFour = new OrderItem("橡皮擦", 20, 2);
OrderItem itemFive = new OrderItem("篮球", 200, 10);
OrderItem itemSix = new OrderItem("足球", 300, 5);
//测试数据——订单
Order order1 = new Order("文具", "hhx", 600);
Thread.Sleep(1000);
Order order2 = new Order("运动器材", "Tom", 5000);
Thread.Sleep(1000);
Order order3 = new Order("其他", "hhx", 3000);
//添加明细
Console.WriteLine("添加订单明细：");
order1.AddItems(itemOne);
order1.AddItems(itemTwo);
order1.AddItems(itemThree);
order2.AddItems(itemSix);
order2.AddItems(itemFive);
order3.AddItems(itemFive);
order3.AddItems(itemOne);
//添加订单
Console.WriteLine("添加订单：");
OrderService service = new OrderService();
service.AddOrder(order1);
service.AddOrder(order2);
service.AddOrder(order1);
//输出订单信息
Console.WriteLine(service.ToString());
//删除订单
Console.WriteLine("删除order2：");
service.DelOrder(order2.OrderNum);
//service.DelOrder(2); //订单号错误删除失败
Console.WriteLine("当前订单状况:\n{0}", service.ToString());
//修改订单,将order1修改为order3
service.ChangeOrder(order1.OrderNum, order3);
Console.WriteLine("当前订单状况:\n{0}", service.ToString());
//查询订单，按照订单号
service.AddOrder(order2);
service.AddOrder(order1);
var tmp = service.FindOrder(order1.OrderNum);
service.SelfDefSort();
if (tmp.Count != 0)
{
for (int n = 0; n < tmp.Count; n++)
{
Console.WriteLine(tmp[n].ToString());
}
}
//订单查询，按照商品名称和客户
var tmp1 = service.FindOrder("铅笔");
var tmp2 = service.FindOrder("Tom");
foreach (Order o in tmp1)
{
Console.WriteLine("按照商品名：\n{0}", o.ToString());
}
foreach (Order o in tmp2)
{
Console.WriteLine("按照客户名：\n{0}", o.ToString());
}
//订单排序
Console.WriteLine("未排序：\n{0}", service.ToString());
service.DefSort();
Console.WriteLine("默认排序：\n{0}", service.ToString());
service.SelfDefSort();
Console.WriteLine("lambda表达式自定义排序：\n{0}", service.ToString());
service.Export();
Console.WriteLine(File.ReadAllText("D:\\Order.xml"));
List <Order> ts = service.Import();
if (ts != null)
{
foreach (Order s in ts)
{
Console.WriteLine(s.ToString());
}
}
Console.Read();
}
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!");
}
}
}