UTL_FILE.FOPEN(location in varchar2, filename in varchar2, open_mode in varchar2) return FILE_TYPE;
Location 是路徑參數,
FILENAME 是文件名,
OPEN_MODE是打開模式,'R'是讀文本,'W'是寫文本,'A'是附加文本,參數不分大小寫,如果指定'A'但是文件不存在,它會用'W'先創建出來,'W'有覆蓋的功能;
其中的location並不能簡單的指定爲'D:\temp'等路徑,要建立一個DIRECTORY變量並付給權限(必須以DBA身份登錄):
create or replace directory OPENCARD
as 'D:\OpenCardLog';;
grant read,write on directory OPENCARD to user;
GRANT EXECUTE ON utl_file TO user;
使用:file_handle := UTL_FILE.FOPEN('OPENCARD', 'open_card_'||TO_CHAR(sysdate,'YYYYMMDDHH24MISS')||'_'||startCardno||'_'||cardType||'.log', 'w','32767');
UTL_FILE.PUT_LINE(file_handle, 'startCardno.... ');--在該文件下寫入具體內容
查詢directory
select * from dba_directories;