/// <summary> /// 保存文件 /// </summary> /// <param name="formFile">文件</param> /// <param name="fileInfo">文件信息</param> /// <param name="rootPath">根目录</param> /// <param name="calcMd5"></param> /// <param name="cancellationToken">取消token</param> /// <returns></returns> private async Task <FileInfo> UploadSave(IFormFile formFile, FileInfo fileInfo, string rootPath, bool calcMd5, CancellationToken cancellationToken = default) { fileInfo.SaveName = $"{Guid.NewGuid().ToString().Replace("-", "")}.{fileInfo.Ext}"; var fullDir = Path.Combine(rootPath, fileInfo.Path); if (!Directory.Exists(fullDir)) { Directory.CreateDirectory(fullDir); } //写入 var fullPath = Path.Combine(fullDir, fileInfo.SaveName); if (calcMd5) { fileInfo.Md5 = await SaveWithMd5(formFile, fullPath, cancellationToken); } else { await Save(formFile, fullPath, cancellationToken); } return(fileInfo); }
/// <summary> /// 单文件文件上传 /// </summary> /// <param name="model"></param> /// <param name="cancellationToken"></param> /// <returns></returns> public async Task <IResultModel <FileInfo> > Upload(FileUploadModel model, CancellationToken cancellationToken = default) { var result = new ResultModel <FileInfo>(); if (model.FormFile == null || model.FormFile.Length < 1) { if (model.Request.Form.Files != null && model.Request.Form.Files.Any()) { model.FormFile = model.Request.Form.Files[0]; } } if (model.FormFile == null || model.FormFile.Length < 1) { return(result.Failed("请选择文件!")); } var name = model.FileName.IsNull() ? model.FormFile.FileName : model.FileName; var size = model.FormFile.Length; var fileInfo = new FileInfo(name, size); if (model.MaxSize > 0 && model.MaxSize < size) { return(result.Failed($"文件大小不能超过{new FileSize(model.MaxSize).ToString()}")); } if (model.LimitExt != null && !model.LimitExt.Any(m => m.EqualsIgnoreCase(fileInfo.Ext))) { return(result.Failed($"文件格式无效,请上传{model.LimitExt.Aggregate((x, y) => x + "," + y)}格式的文件")); } var date = DateTime.Now; fileInfo.Path = Path.Combine(model.RelativePath, date.ToString("yyyy"), date.ToString("MM"), date.ToString("dd")); var resultModel = await UploadSave(model.FormFile, fileInfo, model.RootPath, model.CalcMd5, cancellationToken); return(result.Success(resultModel)); }