bitmap.save()保存的问题,请教!
有如下程序:
Dim images As Bitmap = System.Drawing.Image.FromFile(System.Web.HttpContext.Current.Server.MapPath("images/01.jpg"), True)
'在指定位置并且按指定大小绘制原图片的指定部分
g.DrawImage(images, New System.Drawing.Rectangle(0, 0, images.Width, images.Height), New System.Drawing.Rectangle(0, 0, images.Width, images.Height), System.Drawing.GraphicsUnit.Pixel)
dim imgurl as string=now.year.tostring+now.month.tostring+now.day.tostring+".jpg"
dim imgurl1 as string="upload/xiaoguo/"+imgurl
bitmap.save(server.mappath(imgurl1),imgformag.jpeg)
问题是怎么都保存不进去?(在本地可以保存进去,编译上传之后就保存不进去了!)