一个菜鸟的问题！！

Question

picdtt：TBlobField ；请问这句话是什么意思啊

Answer 1

rsdall_win.picturequery.close;
    rsdall_win.picturequery.sql.clear;
    rsdall_win.picturequery.sql.add('select * from picture where id="' + query5.fieldbyname('id').asstring + '"');
    rsdall_win.picturequery.open;
    if not rsdall_win.picturequery.eof then
    begin
        t := Tjpegimage.Create;
        Stream1 := TBlobStream.Create(rsdall_win.picturequerypicture, bmRead);////这句话看不懂！！
        t.LoadFromStream(Stream1);
        rsdall_win.image1.Picture.Graphic := t;
    end
    else
        rsdall_win.image1.Picture.bitmap := nil;