//****************************** 图片处理Strat ******************************
public static ProductGroupInfoEntity GetProductGroupInfoByCommonSku(string commonSku, string companyCode)
{
DataCommand cmd = DataCommandManager.GetDataCommand("GetProductGroupInfoByCommonSku");
cmd.SetParameterValue("@CommonSku", commonSku);
cmd.SetParameterValue("@CompanyCode", companyCode);
ProductGroupInfoEntity result = cmd.ExecuteEntity <ProductGroupInfoEntity>();
return(result);
}
/// <summary>
/// 上传文件
/// </summary>
/// <param name="productGroupInfoImage"></param>
/// <returns></returns>
public ProductGroupInfoMediaEntity UploadFile(ProductGroupInfoMediaEntity productGroupInfoMedia, string commonSKUNumber)
{
//文件后缀
string fileFix = "";
FileStream fs = null;
try
{
//判断上传文件是否为第一次上传
if (productGroupInfoMedia.IsFirstChunck)
{
//取得文件名中CommonInfoSkuNumber
//string commonSKUNumber = "";
//var re = new Regex(@"^([^\._]+)(_(([0-9]+)|(0[1-9]?)))?\..+?$", RegexOptions.IgnoreCase);
//var re = new Regex(@"(\w+[/])+\w{2,5}(-\w{2,5})+(_\w{2,5})*\.jpg", RegexOptions.IgnoreCase);
//var match = re.Match(productGroupInfoMedia.FileName);
//Check上传文件名是否合法
//if (match.Success)
//{
// commonSKUNumber = match.Groups[1].Value;
//}
//else
//{
// throw new BusinessException("上传文件名不合法，请检查上传文件名称。");
//}
//根据取得商品组信息
ProductGroupInfoEntity groupInfo = SellerPortalProductDescAndImageDA.GetProductGroupInfoByCommonSku(commonSKUNumber, productGroupInfoMedia.Header.CompanyCode);
if (groupInfo == null)
{
throw new BusinessException("上传文件名不属于任何商品组，请检查上传文件名称。");
}
//判断ProductGroupSysno如果大于0，则需要Check文件名是否属于该组
if (productGroupInfoMedia.ProductGroupSysno > 0)
{
//Check文件名是否属于该组
if (productGroupInfoMedia.ProductGroupSysno != groupInfo.SysNo)
{
throw new BusinessException("上传文件不属于该组。");
}
}
productGroupInfoMedia.ProductGroupSysno = groupInfo.SysNo;
//如果为第一段文件需要判断文件类型是否合法
fileFix = GetFileFix(productGroupInfoMedia.ChunckData);
//合法创建文件，否则抛出异常
if (!fileFix.Equals(GetFileFixByType(productGroupInfoMedia.FileType)))
{
throw new BusinessException("上传文件类型不合法，请检查上传文件类型。");
}
//判断文件夹是否存在
if (!Directory.Exists(TemporaryPath))
{
Directory.CreateDirectory(TemporaryPath);
}
//创建临时文件
fs = File.Create(TemporaryPath + productGroupInfoMedia.FileGuid.ToString());
}
else
{
//读取临时文件
fs = File.Open(TemporaryPath + productGroupInfoMedia.FileGuid.ToString(), FileMode.Append);
}
//循环将数据流写入临时文件进行保存
foreach (byte chunck in productGroupInfoMedia.ChunckData)
{
fs.WriteByte(chunck);
}
fs.Close();
fs.Dispose();
productGroupInfoMedia.ChunckData = null;
return(productGroupInfoMedia);
}
catch (Exception ex)
{
throw new BusinessException(ex.Message);
}
finally
{
if (fs != null)
{
fs.Close();
fs.Dispose();
}
}
}