public async Task <IActionResult> Put(int id, [FromBody] ProductModificationViewModel productVm)
{
if (productVm == null)
{
return(BadRequest());
}
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var dbItem = await _productRepository.GetSingleAsync(id);
if (dbItem == null)
{
return(NotFound());
}
Mapper.Map(productVm, dbItem);
_productRepository.Update(dbItem);
if (!await UnitOfWork.SaveAsync())
{
return(StatusCode(500, "保存时出错"));
}
return(NoContent());
}
public IActionResult Put([FromBody] ProductModificationViewModel productModificationViewModel, int id)
{
if (productModificationViewModel == null)
{
return(BadRequest());
}
if (productModificationViewModel.Name == "产品")
{
ModelState.AddModelError("Name", "名称不可以是产品");
}
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var model = _productRepository.GetProduct(id, false);
if (model == null)
{
return(NotFound());
}
//Mapper.Map<Product>(productModificationViewModel);//只是映射值，但并没有改变model的状态，所以持久化到数据库仍然没有变化
Mapper.Map(productModificationViewModel, model);//把第一个参数的值赋值到第二个参数上，并修改第二个参数的状态为modified，使之可以随DbContext持久化到DB
if (!_productRepository.Save())
{
return(StatusCode(500, "更新出错"));
}
//var model = ProductServicesMemory.productServices.products.Find(x => x.Id == id);
//if (model == null)
// return NotFound();
//model.Name = productModificationViewModel.Name;
//model.Price = productModificationViewModel.Price;
return(NoContent());
}
