ImageFileStream:TFileStream;
ImageFileStream:=TFileStream.Create(full_filename,fmOpenRead);
Query.paramByName('image').LoadFromStream(ImageFileStream,ftBlob);
正确
注意要条件
用文件流
ImageFileStream:TFileStream;
ImageFileStream:=TFileStream.Create(full_filename,fmOpenRead);
Query.paramByName('image').LoadFromStream(ImageFileStream,ftBlob);