.net core上传

写了一个.net core上传的公用类调用

using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace LiveFactory.Core
{
    public enum FileType
    {
        /// <summary>
        ///图片
        /// </summary>
        image = 1,
        /// <summary>
        /// 视频
        /// </summary>
        video = 2
    }
    public class FileInfoReulst
    {
        public FileInfoReulst()
        {

        }
        public FileInfoReulst(string meg)
        {
            this.Success = false;
            this.Message = meg;
        }
        /// <summary>
        /// 是否成功
        /// </summary>
        public bool Success { get; set; } = true;
        /// <summary>
        /// 文件类型异常消息
        /// </summary>
        public string Message { get; set; }
        /// <summary>
        /// 保存的文件名
        /// </summary>
        public string FileName { get; set; }
        /// <summary>
        /// 1=image,2=video
        /// </summary>
        public FileType FileType { get; set; }
    }
    public class SaveFileReulst
    {
        public string SaveDriveFileName { get; set; }
        public string SaveFileName { get; set; }
        public string SaveDirectory { get; set; }
    }
    public static class FilesBaseHelper
    {
        /// <summary>
        /// 保存的盘符根目录
        /// </summary>
        public readonly static string DriveFolder = "D:\\Uploads\\";
        /// <summary>
        /// 文件根目录名称
        /// </summary>
        public readonly static string BasePath = "/Uploads/";
        public readonly static string ImgFileLength ="5120";
        public readonly static string ImgExts = ".jpg.jpeg.png.gif";
        public readonly static string VideoFileLength = "1048576";
        public readonly static string VideoExts = ".mp4.avi.rmvb.mkv.flv";
        const string ImageFileName = "images/";
        const string VideoFileName = "video/";
        static string GetFileTypeFolder(FileType filetype, bool IsBase = false)
        {
            string _path = IsBase ? BasePath : DriveFolder;
            switch (filetype)
            {
                case FileType.image:
                    _path += ImageFileName;
                    break;
                case FileType.video:
                    _path += VideoFileName;
                    break;
            }
            return _path;
        }


        public static SaveFileReulst GetSaveFilePath(FileType fileType, string fileName)
        {
            string _folder = DateTime.Now.ToString("yyyy-MM") + "/";
            string driveFolder = GetFileTypeFolder(fileType) + _folder;
            string baseFolder = GetFileTypeFolder(fileType, true) + _folder;

            string bas = Directory.GetCurrentDirectory() + "/wwwroot";//获取服务器目录
            if (!Directory.Exists(bas + baseFolder))
            {
                Directory.CreateDirectory(bas + baseFolder);
            }

            //Abp.IO.DirectoryHelper.CreateIfNotExists(driveFolder);

            string savefilename = Guid.NewGuid() + GetExtensionName(fileName);
            SaveFileReulst result = new SaveFileReulst()
            {
                SaveDriveFileName = driveFolder + savefilename,
                SaveFileName = baseFolder + savefilename,
                SaveDirectory= bas + baseFolder + savefilename
            };
            return result;
        }

        public static string GetExtensionName(string fileName)
        {
            return Path.GetExtension(fileName);
        }
        public static bool Validate(string fileName, long fileSize, FileType filetype, out string Error)
        {
            Error = "";
            string extensValue = "";
            long size = 0;
            switch (filetype)
            {
                case FileType.image:
                    extensValue = ImgExts;
                    size = Convert.ToInt32(ImgFileLength) * 1024;
                    break;
                case FileType.video:
                    extensValue = VideoExts;
                    size = Convert.ToInt32(VideoFileLength) * 1024;
                    break;
            }
            if (!ValidateeExtension(extensValue, fileName))
            {
                Error = "文件类型错误";
                return false;
            }
            if (!ValidateeSize(size, fileSize))
            {
                Error = "文件大小不可超过" + size / 1024 + "KB";
                return false;
            }
            return true;
        }
        static bool ValidateeExtension(string ExtensionValue, string fileName)
        {
            string ext = GetExtensionName(fileName).ToLower();
            return ExtensionValue.ToLower().Contains(ext);
        }
        static bool ValidateeSize(long Size, long fileSize)
        {
            return fileSize <= Size;
        }
    }
}

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