public OrderService(OrderContext context)
{
ctx = context;
if (ctx.Goods.Count() == 0)
{
ctx.Goods.Add(new Good("apple", 100.0));
ctx.Goods.Add(new Good("egg", 200.0));
ctx.Goods.Add(new Good("mbp", 13200.0));
ctx.SaveChanges();
}
if (ctx.Clients.Count() == 0)
{
ctx.Clients.Add(new Client("Xu"));
ctx.Clients.Add(new Client("li"));
ctx.Clients.Add(new Client("zhang"));
ctx.SaveChanges();
}
if (ctx.Orders.Count() == 0)
{
OrderDetail detail2 = new OrderDetail(1, new Good("apple", 17), 5);
//////////////////////// 只能加一个，奇了个怪了
OrderDetail detail1 = new OrderDetail(0, new Good("book", 12), 3);
OrderDetail detail3 = new OrderDetail(0, new Good("apple", 17), 2);
List <OrderDetail> orderDetails1 = new List <OrderDetail>();
//orderDetails1.Add(detail1);
orderDetails1.Add(detail2);
Order order1 = new Order("1", address: "WHU", time: new DateTime(2021, 3, 21, 12, 12, 6), new Client("Xu"), new Client("li"), orderDetails1);
ctx.Orders.Add(order1);
List <OrderDetail> orderDetails2 = new List <OrderDetail>();
orderDetails2.Add(detail1);
orderDetails2.Add(detail3);
Order order2 = new Order("23", address: "THU", time: new DateTime(2021, 2, 11, 10, 00, 12), new Client("zhang"), new Client("li"), orderDetails2);
ctx.Orders.Add(order2);
ctx.SaveChanges();
}
}
public void AddOrder(Order order, OrderContext db)
{
//database
db.Orders.Add(order);
db.SaveChanges();
}