上传文件代码

　　web.config　　

<add key="UploadPath" value="\\172.21.0.10\File" /><add key="DownloadPath" value="http://x.x.x.x:80/" /><add key="UserName" value="ShareUser" /><add key="Password" value="P@ssw0rd" />


　　工具方法　　

public static string GetConfigString(string key, string @default = "")
        {            return ConfigurationManager.AppSettings[key] ?? @default;
        }    /// 
    /// 根据文件名（包含文件扩展名）获取要保存的文件夹名称    /// 
    public class FileHelper
    {        /// 
        /// 根据文件名（包含文件扩展名）获取要保存的文件夹名称        /// 
        /// 文件名（包含文件扩展名）
        public static string GetSaveFolder(string fileName)
        {            var fs = fileName.Split('.');            var ext = fs[fs.Length - 1];            var str = string.Empty;            var t = ext.ToLower();            switch (t)
            {                case "jpg":                case "jpeg":                case "png":                case "gif":
                    str = "images";                    break;                case "mp4":                case "mkv":                case "rmvb":
                    str = "video";                    break;                case "apk":                case "wgt":
                    str = "app";                    break;                case "ppt":                case "pptx":                case "doc":                case "docx":                case "xls":                case "xlsx":                case "pdf":
                    str = "file";                    break;                default:
                    str = "file";                    break;
            }            return str;
        }
    }    /// 
    /// 记录日志帮助类    /// 
    public class WriteHelper
    {        public static void WriteFile(object data)
        {            try
            {                string path = $@"C:\Log\";                var filename = $"Log.txt";                if (!Directory.Exists(path))
                    Directory.CreateDirectory(path);
                TextWriter tw = new StreamWriter(Path.Combine(path, filename), true); //true在文件末尾添加数据
                tw.WriteLine($"----产生时间：{DateTime.Now:yyyy-MM-dd HH:mm:ss}---------------------------------------------------------------------");

                tw.WriteLine(data.ToJson());
                tw.Close();
            }            catch (Exception e)
            {

            }
        }
    }


 

　　常量

/// 
    /// 文件上传配置项    /// 
    public class FileUploadConst
    {        /// 
        /// 上传地址        /// 
        public static string UploadPath => ConfigHelper.GetConfigString("UploadPath");        /// 
        /// 文件访问/下载地址        /// 
        public static string DownloadPath => ConfigHelper.GetConfigString("DownloadPath");        /// 
        /// 访问共享目录用户名        /// 
        public static string UserName => ConfigHelper.GetConfigString("UserName");        /// 
        /// 访问共享目录密码        /// 
        public static string Password => ConfigHelper.GetConfigString("Password");
    }


　　具体上传文件代码

/// 
        /// 上传文件到共享文件夹        /// 
        [HttpPost, Route("api/Upload/UploadAttachment")]
        [AllowAnonymous]        public ServiceResponse UploadAttachment()
        {            var viewModel = new UploadRespModel();            var code = 200;            var msg = "上传失败!";            var path = FileUploadConst.UploadPath; //@"\\172.16.10.130\Resource";
            var s = connectState(path, FileUploadConst.UserName, FileUploadConst.Password);            if (s)
            {                var filelist = HttpContext.Current.Request.Files;                if (filelist.Count > 0)
                {                    var file = filelist[0];                    var fileName = file.FileName;                    var blobName = FileHelper.GetSaveFolder(fileName);
                    path = $@"{path}\{blobName}\";

                    fileName = $"{DateTime.Now:yyyyMMddHHmmss}{fileName}";                    //共享文件夹的目录
                    var theFolder = new DirectoryInfo(path);                    var remotePath = theFolder.ToString();
                    Transport(file.InputStream, remotePath, fileName);

                    viewModel.SaveUrl = $"{blobName}/{fileName}";
                    viewModel.DownloadUrl = PictureHelper.GetFileFullPath(viewModel.SaveUrl);

                    msg = "上传成功";
                }
            }            else
            {
                code = CommonConst.Code_OprateError;
                msg = "链接服务器失败";
            }            return ServiceResponse.SuccessResponse(msg, viewModel, code);
        }        /// 
        /// 连接远程共享文件夹        /// 
        /// 远程共享文件夹的路径
        /// 用户名
        /// 密码
        private static bool connectState(string path, string userName, string passWord)
        {            bool Flag = false;
            Process proc = new Process();            try
            {
                proc.StartInfo.FileName = "cmd.exe";
                proc.StartInfo.UseShellExecute = false;
                proc.StartInfo.RedirectStandardInput = true;
                proc.StartInfo.RedirectStandardOutput = true;
                proc.StartInfo.RedirectStandardError = true;
                proc.StartInfo.CreateNoWindow = true;
                proc.Start();                string dosLine = "net use " + path + " " + passWord + " /user:" + userName;
                WriteHelper.WriteFile($"dosLine:{dosLine}");
                proc.StandardInput.WriteLine(dosLine);
                proc.StandardInput.WriteLine("exit");                while (!proc.HasExited)
                {
                    proc.WaitForExit(1000);
                }                string errormsg = proc.StandardError.ReadToEnd();
                proc.StandardError.Close();
                WriteHelper.WriteFile($"errormsg:{errormsg}");                if (string.IsNullOrEmpty(errormsg))
                {
                    Flag = true;
                }                else
                {                    throw new Exception(errormsg);
                }
            }            catch (Exception ex)
            {
                WriteHelper.WriteFile(ex);                throw ex;
            }            finally
            {
                proc.Close();
                proc.Dispose();
            }            return Flag;
        }        /// 
        /// 向远程文件夹保存本地内容，或者从远程文件夹下载文件到本地        /// 
        /// 要保存的文件的路径，如果保存文件到共享文件夹，这个路径就是本地文件路径如：@"D:\1.avi"
        /// 保存文件的路径，不含名称及扩展名
        /// 保存文件的名称以及扩展名
        private static void Transport(Stream inFileStream, string dst, string fileName)
        {
            WriteHelper.WriteFile($"目录-Transport：{dst}");            if (!Directory.Exists(dst))
            {
                Directory.CreateDirectory(dst);
            }

            dst = dst + fileName;            if (!File.Exists(dst))
            {
                WriteHelper.WriteFile($"文件不存在，开始保存");                var outFileStream = new FileStream(dst, FileMode.Create, FileAccess.Write);                var buf = new byte[inFileStream.Length];                int byteCount;                while ((byteCount = inFileStream.Read(buf, 0, buf.Length)) > 0)
                {
                    outFileStream.Write(buf, 0, byteCount);
                }
                WriteHelper.WriteFile($"保存完成");
                inFileStream.Flush();

                inFileStream.Close();

                outFileStream.Flush();

                outFileStream.Close();
            }
        }