摘要： 直接上代码： declare l_directory varchar(200) := '__dir__'; l_file UTL_FILE.FILE_TYPE; l_buffer RAW(32767); l_amount BINARY_INTEGER:=32767; l_pos NUMBER:=1; l_Blob Blob; l_Blob_len Number; l_lob_id number; CURSOR cur is select __id__ from __table_name__;BEGIN open cur; loop fetch cur into l_lob_id 阅读全文