.net C# FileUpload控件上传

待我称王封你为后i 2022-08-06 09:11 173阅读 0赞

代码

/// <summary>
            ///  保存
            /// </summary>
            /// <param name="sender"></param>
            /// <param name="e"></param>
            protected void btnPro_Click(object sender, EventArgs e)
            {
                if (Session["User"] != null)
                {
    			  try
                    {
    					string Imgfile = string.Empty;
    					if (FileUpload_ProductImg.HasFile)
    					{
    						string path = Server.MapPath("~/mImages/ProductUploadFile/");
    						Imgfile = "mImages/ProductUploadFile/";
    						//拼接文件的名称
    						//DirectoryInfo dir = new DirectoryInfo(path);
    						//文件名由文件夹中文件的数量和后缀组成
    						//string name = dir.GetFiles().Length + Path.GetExtension(FileUpload_ProductImg.FileName);
    						string name = DateTime.Now.ToString("yyyy-MM-dd-HH-mm-ss") + Path.GetExtension(FileUpload_ProductImg.FileName);
    						Imgfile = Imgfile + name;
    						FileUpload_ProductImg.PostedFile.SaveAs(path + name);
    					}else
    					{
    					 Page.ClientScript.RegisterStartupScript(this.GetType(), "", @"<script>alert('没有选择文件，请先选择文件！');location.href='NewsContentList.aspx';</script>");
                        return;
    					}
                    }
                    catch (Exception)
                    {
                        Page.ClientScript.RegisterStartupScript(this.GetType(), "", @"<script>alert('上传失败，请联系管理员！');location.href='NewsContentList.aspx';</script>");
                        return;
                    }
                }
                else
                {
                    Page.ClientScript.RegisterStartupScript(this.GetType(), "", @"<script>alert('登入超时！');location.href='Login.aspx';</script>");
                    return;
                }
            }