omega-upload/Services/UploadService.cs

using Attribute;
using Common;
using Infrastructure;


namespace Services
{
    /// <summary>
    /// 上传文件Service业务层处理
    /// </summary>
    [AppService(ServiceType = typeof(IUploadService), ServiceLifetime = LifeTime.Transient)]
    public class UploadService : IUploadService
    {

        /// <summary>
        /// 上传文件
        /// </summary>
        /// <param name="file">文件流</param>
        /// <returns>上传文件到本地</returns>
        public string getPicPath(IFormFile file)
        {
            var option = App.OptionsSetting;
            string dir = option.Upload.LocalSavePath + "/" + DateTime.Now.Year + "/" + DateTime.Now.Month + "/" + DateTime.Now.Day + "/";
            string result = "";
            try
            {
                string dir_c = Function.getPath("/" + dir);
                if (!System.IO.Directory.Exists(dir_c))
                {
                    System.IO.Directory.CreateDirectory(dir_c);
                }
                if (file.Length > 0)
                {
                    var fileName = "MT" + Function.MD5_16(Guid.NewGuid().ToString()) + Path.GetExtension(file.FileName);
                    // if (!string.IsNullOrEmpty(fname))
                    // {
                    //     fileName = fname + Path.GetExtension(file.FileName);
                    // }
                    var filePath = Path.Combine(dir_c, fileName);
                    using (var stream = new FileStream(filePath, FileMode.Create))
                    {
                        file.CopyTo(stream);
                        result = "/" + dir + fileName;
                        stream.Dispose();
                        stream.Close();
                    }
                }
            }
            catch (Exception ex)
            {
                Utils.WriteLog(DateTime.Now.ToString() + ex.ToString(), "上传文件异常");
                result = "";
            }
            return result;
        }



    }
}