ASP.NET ¶ÔFileUpLoadÑéÖ¤£¬ÉÏ´«Í¼Æ¬µ½Îļþ

(1) ASP.NET µÄÊý¾ÝÑéÖ¤¿Õ¼þRegularExpressionValidator ʵÏÖÑéÖ¤FileUpLoadÉÏ´«ÎļþµÄÀàÐÍ
 <asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ControlToValidate="FileUpload1"
        ErrorMessage="¸ñʽ²»×¼È·£¬Ö»ÄÜ(.jpg|.JPG|.gif|.GIF|.bmp|.BMP£©"
        ValidationExpression="^([a-zA-Z]:\\)[0-9a-zA-Z\u4e00-\u9fa5\w\s\\!@#\$%^&\*\(\)_\+\-=\[\]{};'\,\.]*(.jpg|.JPG|.gif|.GIF|.bmp|.BMP)$"
></asp:RegularExpressionValidator>
£¨2£©FileUploadÌí¼ÓÕÕƬµ½Ö¸¶¨µÄÎļþÀïÃæ
  string filename = FileUpload1.FileName;
        string savePath = Server.MapPath("../images/adverts/");
        string extension = Path.GetExtension(filename);
        string imageName = "";
        imageName = DateTime.Now.ToString("yyyyMMddhhmmss") + extension;
        savePath = savePath + imageName;
        FileUpload1.PostedFile.SaveAs(savePath);