图片存入数据库变小了？ ( 积分: 200 )

一图片文件，通过查看属性大小是27K，但存入数据库（ORACLE），用BLOBSIZE大小是6119，小于是10K，不知是什么原因？

那你看看取出来是不是对就知道了啊。只要能够还原就好。

没有压缩过,不会小吧.给出化工厂看看

数据库本身就会对图像进行压缩存储的吧

例如：<br>&nbsp;&nbsp;&nbsp;要将图片保存到数据库，图片大小不变<br>1、设计界面如图所示&nbsp;SQLSERVER里的图片的字段为:image,access里的图片的字段为:OLE&nbsp;对象<br>2、快捷菜单的具体代码如下：<br>&nbsp;&nbsp;载入图片：<br>procedure&nbsp;TForm1.N4Click(Sender:&nbsp;TObject);<br>begin<br>if&nbsp;ADOQUERY1.State&nbsp;in&nbsp;[dsedit,dsinsert]&nbsp;then<br>begin<br>if&nbsp;OpenPictureDialog1.Execute&nbsp;then<br>&nbsp;&nbsp;&nbsp;&nbsp;begin<br>&nbsp;&nbsp;&nbsp;&nbsp;DBIMAGE1.Picture.LoadFromFile(OpenPictureDialog1.FileName);<br>&nbsp;&nbsp;&nbsp;&nbsp;DBIMAGE1.CopyToClipboard;<br>&nbsp;&nbsp;&nbsp;&nbsp;ADOQUERY1.Edit;<br>&nbsp;&nbsp;&nbsp;&nbsp;DBIMAGE1.PasteFromClipboard;<br>&nbsp;&nbsp;&nbsp;&nbsp;end;<br>end&nbsp;else&nbsp;messagedlg('记录集不可写！',mtError,[mbOk],0);<br>end;<br><br>&nbsp;&nbsp;复制图片：<br>procedure&nbsp;TForm1.N1Click(Sender:&nbsp;TObject);<br>begin<br>DBIMAGE1.CopyToClipboard;<br>end;<br>&nbsp;&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;粘贴图片：<br>procedure&nbsp;TForm1.N2Click(Sender:&nbsp;TObject);<br>begin<br>DBIMAGE1.PasteFromClipboard;<br>end;<br>&nbsp;&nbsp;&nbsp;删除图片：&nbsp;&nbsp;//要在adoquery1里选中字段&nbsp;注意ADOQUERY1DSDesigner2&nbsp;的位置<br>procedure&nbsp;TForm1.N3Click(Sender:&nbsp;TObject);<br>begin<br>if&nbsp;messagedlg('是否要清除该图片！',mtConfirmation,[mbYes,mbNo],0)=mrYes&nbsp;then<br>&nbsp;&nbsp;&nbsp;begin<br>&nbsp;&nbsp;&nbsp;if&nbsp;ADOQUERY1.State&nbsp;in&nbsp;[dsedit,dsinsert]&nbsp;then<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ADOQUERY1DSDesigner2.Clear<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;else&nbsp;messagedlg('该记录处于非可写状态！请置于编辑状态再重试！',mtError,[mbOk],0);<br>&nbsp;&nbsp;&nbsp;end;<br>end;<br><br>这样就不变小了，图片原来是什么就是什么