public IActionResult Upload(UploadViewModel model)
{
List <UploadResult> result = new List <UploadResult>();
#region Form.Files 文件
IFormFileCollection files = HttpContext.Request.Form.Files;
if (null != files && files.Count > 0)
{
FormFileUploadViewModel fileModel = new FormFileUploadViewModel();
foreach (IFormFile file in files)
{
model.CopyTo(fileModel);
fileModel.File = file;
var itemResult = UploadItemByFormFile(fileModel);
result.Add(itemResult);
}
}
#endregion
#region Form.Base64 文件
Dictionary <string, string> base64Dictionary = new Dictionary <string, string>();
var formCollection = Request.Form;
foreach (var fc in formCollection)
{
if (_regexBase64.IsMatch(fc.Value))
{
base64Dictionary.Add(fc.Key, fc.Value);
}
}
if (null != base64Dictionary && base64Dictionary.Count > 0)
{
Base64UploadViewModel base64Model = null;
foreach (var file in base64Dictionary)
{
model.CopyTo(base64Model);
base64Model.Data = file.Value;
base64Model.FieldName = file.Key;
var itemResult = UploadItemByBase64(base64Model);
result.Add(itemResult);
}
}
#endregion
return(Json(result));
}
/// <summary>
/// 上传Base64图片文件
/// </summary>
/// <param name="model">Base64文件上传视图模型</param>
/// <returns></returns>
private UploadResult UploadItemByBase64(Base64UploadViewModel model)
{
UploadResult result = new UploadResult();
Match m = _regexBase64.Match(model.Data ?? string.Empty);
if (m.Success)
{
string content = m.Groups["content"].Value;
//文件内容长度
long fileLength = 0;
try
{
byte[] arr = Convert.FromBase64String(content);
fileLength = arr.Length;
Image image;
using (MemoryStream ms = new MemoryStream(arr))
{
image = new Bitmap(ms);
}
result = image.Save(
fileLength,
model.SavePath,
model.FixedPath,
model.Name,
model.Extension.GetImageFormat(),
model.BeOverride,
model.CompressIfGreaterSize,
model.MaxWidth,
model.MaxHeight,
model.CutIfOut);
}
catch
{
result.Message = "文件上传失败";
}
}
else
{
result.Message = "不是有效的Base64图片内容";
}
//标志字段名
result.FieldName = model.FieldName ?? string.Empty;
return(result);
}
public async Task <IActionResult> ImageUploadBase64([FromBody] Base64UploadViewModel file)
{
if (file?.Base64?.Length == null)
{
return(BadRequest("Failed to upload file"));
}
var response = await _imageUploadLogic.Upload(
Convert.FromBase64String(file.Base64),
new Dictionary <string, string>
{
[ImageMetadataKey.Description] = file.Description,
[ImageMetadataKey.Name] = file.Name
}
);
return(Ok(response));
}
public IActionResult UploadBase64(Base64UploadViewModel model)
{
var result = UploadItemByBase64(model);
return(Json(result));
}
