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  • 为每个用户创建文件夹,并实现图片上传

            /// <summary>
            /// 用户登录即为每个用户创建文件夹,userid从session获取,即登录用户ID
            /// </summary>
            protected void CreateFlord()
            {
                path = "../../uploads/Picture/" + userid;
                imgpath = Server.MapPath(path).ToString();
                if (!Directory.Exists(imgpath))
                {
                    Directory.CreateDirectory(imgpath);
                }
            }
            if (!this.fuImg.HasFile)
                {
                    this.PicPrompt.InnerHtml = "图片路径不能为空";
                    return;
                }
                Random rd = new Random();
                filename = DateTime.Now.Minute.ToString() + DateTime.Now.Second.ToString() +DateTime.Now.Millisecond.ToString() + rd.Next(100000, 999999).ToString();//当前时间+随机数以重命名图片名字
                  typefilename = System.IO.Path.GetExtension(this.fuImg.FileName).ToLower();
                if (typefilename != ".jpg" & typefilename != ".gif" & typefilename != ".png")
                {
                    this.PicPrompt.InnerHtml = "图片只能为jpg、gif、png格式";
                    return;
                }
                this.PicPrompt.InnerHtml = "";
                this.fuImg.SaveAs(imgpath + "\\" + filename + typefilename);
                SDW.Model.Picture model_picture = new SDW.Model.Picture();
                model_picture.PicName = filename;
                model_picture.PicUrl = path + "/" + filename + typefilename;
                model_picture.PicText = this.txtPicText.Text;
                model_picture.Createdate = DateTime.Now;
                model_picture.Album = Convert.ToInt32(this.ddlAlbum.SelectedItem.Value);
                model_picture.PicUser = userid;
                AddPicture(model_picture);//将图片信息保存到数据库

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  • 原文地址:https://www.cnblogs.com/yinpeng186/p/1655963.html
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