【uploadify】asp.net(c#)开发中的文件上传组件uploadify的使用方法（带进度条）-asp-net

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asp.net(c#)开发中的文件上传组件uploadify的使用方法（带进度条）

/// <summary>
    /// 文件上传后台处理页面
    /// </summary>
    [WebService(Namespace="http://tempuri.org/")]
    [WebServiceBinding(ConformsTo=WsiProfiles.BasicProfile1_1)]
    public class UploadHandler : IHttpHandler
    {
        public void ProcessRequest(HttpContext context)
        {
            context.Response.ContentType="text/plain";
            context.Response.Charset="utf-8";

            try
            {
                string guid=context.Request.QueryString["guid"];
                string folder=context.Request["folder"];
                //LogTextHelper.Info(folder);

                HttpPostedFile file=context.Request.Files["Filedata"];
                if (file !=null)
                {                   
                    string oldFileName=file.FileName;//原文件名                   
                    int size=file.ContentLength;//附件大小

                    string extenstion=oldFileName.Substring(oldFileName.LastIndexOf(".") + 1);//后缀名                   
                    string newFileName=GetNewFileName(oldFileName);//生成新文件名
                    //LogTextHelper.Info(newFileName);

                    #region 上传到远程服务器
                    //FileServerManage fsw=new FileServerManage();
                    //string uploadFilePath="/" + newFileName;
                    //if (!string.IsNullOrEmpty(folder))
                    //{
                    //    uploadFilePath=string.Format("/{0}/{1}", folder, newFileName);
                    //}
                    //bool uploaded=fsw.UploadFile(file.InputStream, "/" + folder + "/" + newFileName);
                    #endregion

                    #region 本地服务器上传

                    AppConfig config=new AppConfig();
                    string uploadFiles=config.AppConfigGet("uploadFiles");
                    if (string.IsNullOrEmpty(uploadFiles))
                    {
                        uploadFiles="uploadFiles";
                    }
                    if (!string.IsNullOrEmpty(folder))
                    {
                        uploadFiles=Path.Combine(uploadFiles, folder);
                    }

                    string uploadPath=Path.Combine(HttpContext.Current.Server.MapPath("/"), uploadFiles);
                    if (!Directory.Exists(uploadPath))
                    {
                        Directory.CreateDirectory(uploadPath);
                    }
                    string newFilePath=Path.Combine(uploadPath, newFileName);
                    LogTextHelper.Info(newFilePath);
                    file.SaveAs(newFilePath);
                    bool uploaded=File.Exists(newFilePath);

                    #endregion

                    if (uploaded)
                    {
                        #region 文件保存成功后，写入附件的数据库记录
                        //AttachmentInfo attachmentInfo=new AttachmentInfo();
                        //attachmentInfo.EditorTime=DateTime.Now;
                        //attachmentInfo.FileExtend=extenstion;
                        //attachmentInfo.FileName=folader + "/" + newFileName;
                        //attachmentInfo.OldFileName=oldFileName;
                        //attachmentInfo.Size=size;
                        //attachmentInfo.Guid=guid;
                        //BLLFactory<Attachment>.Instance.Insert(attachmentInfo);
                        #endregion
                    }
                }
                else
                {
                    LogTextHelper.Error("上传文件失败");
                }
            }
            catch (Exception ex)
            {
                LogTextHelper.Error("上传文件失败", ex);
                throw;
            }
        }

        /// <summary>
        /// 获取新的名称 比如:aa.jpg转化为aa(20090504).jpg
        /// </summary>
        /// <param name="fileName">文件名称[aa.jpg]</param>
        /// <returns>新的文件名称</returns>
        public static string GetNewFileName(string fileName)
        {
            if (string.IsNullOrEmpty(fileName))
                return string.Empty;

            //文件后缀名
            string extenstion=fileName.Substring(fileName.LastIndexOf(".") + 1);
            string name=fileName.Substring(0, fileName.LastIndexOf(".")) + "(" + DateTime.Now.ToFileTime() + ")";
            string newFileName=name + "." + extenstion;
            return newFileName;
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }

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