/// <summary>
/// 上传商品图片
/// </summary>
/// <param name="file">图片文件</param>
/// <param name="errMsg">异常信息</param>
/// <param name="savePath">上传后的相对路径</param>
/// <returns>是否上传成功</returns>
public static bool UploadGoodsImage(HttpPostedFileBase file, out string savePath, out string errMsg)
{
errMsg = string.Empty;
savePath = string.Empty;
if (file == null)
{
errMsg = "上传的图片不能为空";
return(false);
}
if (file.ContentLength == 0)
{
errMsg = "上传的图片不能为空";
return(false);
}
if (file.ContentLength / 1024 > GoodsImageMaxLength)
{
errMsg = "上传的图片太大了";
return(false);
}
if (!ImageExtensions.Contains(Utils.GetUrlSuffix(file.FileName).ToLower()))
{
errMsg = "上传的图片格式不正确";
return(false);
}
try
{
var image = Image.FromStream(file.InputStream, true, true);
var now = DateTime.Now;
var path = GetGoodsImageFilePath(now, file.FileName);
var bigSize = BigGoodsImageSize.Split(new[] { '_' }, StringSplitOptions.RemoveEmptyEntries)
.Select(c => Convert.ToInt32(c)).ToList();
var standardSzie = StandardGoodsImageSize.Split(new[] { '_' }, StringSplitOptions.RemoveEmptyEntries)
.Select(c => Convert.ToInt32(c)).ToList();
var smallSize = SmallGoodsImageSize.Split(new[] { '_' }, StringSplitOptions.RemoveEmptyEntries)
.Select(c => Convert.ToInt32(c)).ToList();
ImageUtility.CutForCustom(file, HttpContext.Current.Server.MapPath(path), image.Width, image.Height, string.Empty, string.Empty);
ImageUtility.CutForCustom(file, HttpContext.Current.Server.MapPath(GetGoodsImageFilePath(now, file.FileName, GoodsImageSize.Big)), bigSize[0], bigSize[1], string.Empty, string.Empty);
ImageUtility.CutForCustom(file, HttpContext.Current.Server.MapPath(GetGoodsImageFilePath(now, file.FileName, GoodsImageSize.Standard)), standardSzie[0], standardSzie[1], string.Empty, string.Empty);
ImageUtility.CutForCustom(file, HttpContext.Current.Server.MapPath(GetGoodsImageFilePath(now, file.FileName, GoodsImageSize.Small)), smallSize[0], smallSize[1], string.Empty, string.Empty);
savePath = path;
return(true);
}
catch (Exception)
{
errMsg = "上传的图片格式不正确";
return(false);
}
}