/// <summary>
/// 保存订单
/// </summary>
/// <param name="courses"></param>
public static void SaveOrders(OrderDAL courses)
{
using (FileStream fs = new FileStream(orderDocPath, FileMode.Create, FileAccess.Write))
{
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(fs, courses);
}
}
/// <summary>
/// 读取订单
/// </summary>
/// <returns></returns>
public static OrderDAL GetOrders()
{
OrderDAL orders;
if (File.Exists(orderDocPath))
{
using (FileStream fs = new FileStream(orderDocPath, FileMode.Open, FileAccess.Read))
{
BinaryFormatter bf = new BinaryFormatter();
orders = (OrderDAL)bf.Deserialize(fs);
}
}
else
{
using (FileStream fs = new FileStream(orderDocPath, FileMode.CreateNew, FileAccess.Write))
{
BinaryFormatter bf = new BinaryFormatter();
orders = new OrderDAL();
bf.Serialize(fs, orders);
}
}
return(orders);
}