.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;
        }
    }
}

公用控制器

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using JFJT.Framework.Application.Dto;
using LiveFactory.Application;
using Microsoft.AspNetCore.Mvc;
using LiveFactory.Core;
using Microsoft.AspNetCore.Http;
using System.IO;

namespace LiveFactory.Web.Controllers
{
    public class UploadFileController : Controller
    {
        //HttpPostedFileBase
        public JsonResult Index(IFormFile file, FileType filetype)
        {
            var validate = FilesBaseHelper.Validate(file.FileName, file.Length, filetype, out string error);
            if (!validate)
            {
                throw new Exception(error);
            }
            try
            {
                var saveResult = FilesBaseHelper.GetSaveFilePath(filetype, file.FileName);
                using (FileStream fs = System.IO.File.Create(saveResult.SaveDirectory))
                {
                    file.CopyTo(fs);
                    fs.Flush();
                }

                return Json(new FileInfoReulst() { FileName = saveResult.SaveFileName,FileType= filetype });
            }
            catch (Exception ex)
            {
                throw new Exception(error);
            }

        }
    }
}

前端调用，这个可以不看，直接请求上面的控制器就行，ps：饿了么的上传控件,百度的webupload也一样

    <el-dialog title="编辑直播频道"
               :visible.sync="dialogVisible"
               width="40%">
        <el-form ref="SelectModel" :model="SelectModel" label-width="80px">
            <el-form-item label="名称">
                <el-input v-model="SelectModel.name"></el-input>
            </el-form-item>
            <el-form-item label="视频文件">
                <el-input v-model="SelectModel.url"></el-input>
                @*<input type="text" name="VideoUrl" v-model="SelectModel.videoUrl" class="form-control" width="90%" />*@
                <a v-if="SelectModel.videoUrl!=''" v-bind:href="SelectModel.videoUrl" target="_blank">查看</a>
                <el-upload ref="uploadvideo" class="upload-demo"
                           action="/UploadFile/Index"
                           :data="{ filetype: '@LiveFactory.Core.FileType.video'}"
                           :limit="1"
                           :on-success="uploadSuccess" :on-error="uploadError">
                    <el-button size="small" type="primary">点击上传</el-button>
                    <div slot="tip" class="el-upload__tip">请上传视频文件</div>
                </el-upload>
            </el-form-item>
        </el-form>
        @*<div class="form-group">
            </div>*@

        <span slot="footer" class="dialog-footer">
            <el-button @@click="dialogVisible = false">取 消</el-button>
            <el-button type="primary" @@click="submitModel">确 定</el-button>
        </span>
    </el-dialog>