public async Task <IActionResult> Edit(int id, [Bind("ID,ProductID,CategoryID,BrandID,ProductName,ProductImage,ProductWeight,ProductPrice,ProductStock,ProductSale")] CommodityManage commodityManage)
{
if (id != commodityManage.ID)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
_context.Update(commodityManage);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!CommodityManageExists(commodityManage.ID))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
return(View(commodityManage));
}
public async Task <IActionResult> Create([Bind("ID,ProductID,CategoryID,BrandID,ProductName,ProductImage,ProductWeight,ProductPrice,ProductStock,ProductSale")] CommodityManage commodityManage)
{
if (ModelState.IsValid)
{
_context.Add(commodityManage);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(commodityManage));
}
public async Task <ActionResult <List <ProductResultModel> > > ProductAsync(string DeviceName, float ProductWeight, string PictureResult)
{
List <ProductResultModel> productResult = new List <ProductResultModel>();
//Dictionary<string, int> dict_1 = JsonConvert.DeserializeObject<Dictionary<string, int>>(PictureResult);
JObject dict_2 = (JObject)JsonConvert.DeserializeObject(PictureResult);
System.Diagnostics.Debug.WriteLine(dict_2);
float temp_weight = 0;
IEnumerable <JProperty> properties = dict_2.Properties();
foreach (JProperty item in properties)
{
CommodityManage product_info = await _context.CommodityManage.FirstOrDefaultAsync(m => m.ProductID == product_dict[item.Name]);
ProductResultModel temp = new ProductResultModel(product_dict[item.Name], product_info.ProductName, product_info.ProductImage, Convert.ToSingle(product_info.ProductPrice), (int)item.Value);
productResult.Add(temp);
temp_weight += Convert.ToSingle(product_info.ProductWeight) * (int)item.Value;
}
float abs_weight_gap = Math.Abs(temp_weight - ProductWeight);
if (temp_weight > ProductWeight)
{
if (abs_weight_gap < 0.5 * temp_weight)
{
return(productResult);
}
else
{
return(productResult);
}
}
else
{
if (abs_weight_gap < 0.5 * temp_weight)
{
return(productResult);
}
else
{
int j = 1;
for (int i = (int)(-0.05 * (int)ProductWeight); i < 0.05 * (int)ProductWeight; i++)
{
IList <IList <int> > res = new List <IList <int> >();
Compute_weight compute_Weight = new Compute_weight();
res = compute_Weight.CombinationSum2(gap_weight, (int)ProductWeight + i - (int)temp_weight);
foreach (var item in res)
{
System.Diagnostics.Debug.WriteLine("重量可能的组合结果{0}：", j);
foreach (var item_2 in item)
{
System.Diagnostics.Debug.WriteLine(item_2);
CommodityManage product_info_2 = await _context.CommodityManage.FirstOrDefaultAsync(m => m.ProductID == product_dict_weight[item_2]);
ProductResultModel temp_2 = new ProductResultModel(product_dict_weight[item_2], product_info_2.ProductName, product_info_2.ProductImage, Convert.ToSingle(product_info_2.ProductPrice), item.Count(t => t == item_2));
productResult.Add(temp_2);
}
j++;
}
}
return(productResult);
}
}
//return $"设备名：{DeviceName},重量：{ProductWeight},图片结果：{dict_2}";
//return await _context.CommodityManage.ToListAsync();
}
