private void btnRemove_Click(object sender, EventArgs e)
{
int currentIndex = 0;
if (this.orderList.SelectedItems.Count > 0) //判断listview有被选中项
{
currentIndex = this.orderList.SelectedItems[0].Index; //取当前选中项的index
string odId = orderList.Items[currentIndex].SubItems[0].Text;
//uint.TryParse(odId.Remove(0, odId.Length - 3), out uint a);
//uint id = Convert.ToUInt16(odId.Remove(0, odId.Length - 3));
os.RemoveOrder(odId);
orderList.Items[currentIndex].Remove();
}
}
static void Main(string[] args)
{
try
{
Customer customer1 = new Customer(1, "Customer1");
Customer customer2 = new Customer(2, "Customer2");
Goods milk = new Goods(1, "Milk", 69.9);
Goods eggs = new Goods(2, "eggs", 4.99);
Goods apple = new Goods(3, "apple", 5.59);
OrderDetail orderDetails1 = new OrderDetail(1, apple, 8);
OrderDetail orderDetails2 = new OrderDetail(2, eggs, 2);
OrderDetail orderDetails3 = new OrderDetail(3, milk, 1);
Order order1 = new Order(1, customer1);
Order order2 = new Order(2, customer2);
Order order3 = new Order(3, customer2);
order1.AddDetails(orderDetails1);
order1.AddDetails(orderDetails2);
order1.AddDetails(orderDetails3);
//order1.AddOrderDetails(orderDetails3);
order2.AddDetails(orderDetails2);
order2.AddDetails(orderDetails3);
order3.AddDetails(orderDetails3);
OrderService os = new OrderService();
os.AddOrder(order1);
os.AddOrder(order2);
os.AddOrder(order3);
Console.WriteLine("GetAllOrders");
List <Order> orders = os.QueryAllOrders();
foreach (Order od in orders)
{
Console.WriteLine(od.ToString());
}
Console.WriteLine("GetOrdersByCustomerName:'Customer2'");
orders = os.QueryByCustomerName("Customer2");
foreach (Order od in orders)
{
Console.WriteLine(od.ToString());
}
Console.WriteLine("GetOrdersByGoodsName:'apple'");
orders = os.QueryByGoodsName("apple");
foreach (Order od in orders)
{
Console.WriteLine(od.ToString());
}
Console.WriteLine("Remove order(id=2) and qurey all");
os.RemoveOrder(2);
os.QueryAllOrders().ForEach(
od => Console.WriteLine(od));
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}