1
我應該將DTO直接保存到數據庫嗎?我應該讓ORM直接填充DTO嗎?
public class Product
{
public virtual int ProductId { get; set; }
public virtual string ProductCode { get; set; }
public virtual string ProductName { get; set; }
public virtual Category Category { get; set; }
}
public class ProductMap : ClassMap<Product>
{
public ProductMap()
{
Id(x => x.ProductId);
Map(x => x.ProductCode);
Map(x => x.ProductName);
References(x => x.Category).Column("CategoryId");
}
}
public class ProductDto
{
public virtual int ProductId { get; set; }
public virtual string ProductCode { get; set; }
public virtual string ProductName { get; set; }
public virtual int CategoryId { get; set; }
}
public class ProductDtoMap : ClassMap<ProductDto>
{
public ProductDtoMap()
{
Table("Product");
Id(x => x.ProductId);
Map(x => x.ProductCode);
Map(x => x.ProductName);
Map(x => x.CategoryId);
}
}
下面是如何創建,打開和保存記錄:
public ActionResult Input()
{
return View(new ProductDto());
}
public ActionResult Edit(int id)
{
using(var s = SessionFactoryBuilder.GetSessionFactory().OpenSession())
{
return View("Input", s.Get<ProductDto>(id));
}
}
// Save
[HttpPost]
public ActionResult Input(ProductDto p)
{
if (ModelState.IsValid)
{
using (var s = SessionFactoryBuilder.GetSessionFactory().OpenSession())
{
s.Merge(p);
s.Flush();
}
return RedirectToAction("Index");
}
else
{
return View(p);
}
}
我只想說,我想方便,我想直接持續的DTO的數據庫,並檢索其直接返回了。
如果我只是將ProductDto專門用於CRUD,那麼現在需要做什麼?我只是使用產品類僅用於報告:-)
是直接從ORM填充DTO並將它們直接保存回ORM嗎?