pb写的从oracle库中读取和保存图片，并另存为文件-pb Writing from oracle database to read and save the image, and save as document

//读取保存图片 string ls_pathname, ls_filename integer li_value,li_FileNum,loops,i long ll_fileLength,bytes_read,new_pos blob b, tot_b Blob gb_photo INSERT INTO PJ_TP(AA) VALUES ('1') USING SQLCA; COMMIT USING SQLCA; li_value = GetFileOpenName(&qu