您正在看的ORACLE教程是:oracle自动imp脚本。
先删除用户，在重建用户，然后赋权，
脚本放到crontab中定时执行即可
source /opt/.bash_profile
DATE=$(date +%Y%m%d)
sqlplus /nolog <<EOF
connect / as sysdba;
DROP USER WAPUSER CASCADE;
DROP USER JLTGAME CASCADE;
CREATE USER "WAPUSER" PROFILE "DEFAULT"
IDENTIFIED BY "123456" DEFAULT TABLESPACE "JLTGAME"
TEMPORARY TABLESPACE "TEMP"
ACCOUNT UNLOCK;
CREATE USER "JLTGAME" PROFILE "DEFAULT"
IDENTIFIED BY "JLTGAME123" DEFAULT TABLESPACE "JLTGAME"
TEMPORARY TABLESPACE "TEMP"
ACCOUNT UNLOCK;
GRANT CREATE VIEW TO JLTGAME;
GRANT CREATE TABLE TO JLTGAME;
GRANT ALTER ANY TYPE TO JLTGAME;
GRANT CREATE SESSION TO JLTGAME;
GRANT CREATE SYNONYM TO JLTGAME;
GRANT CREATE TRIGGER TO JLTGAME;
GRANT ALTER ANY INDEX TO JLTGAME;
GRANT ALTER ANY TABLE TO JLTGAME;
GRANT CREATE ANY TYPE TO JLTGAME;
GRANT CREATE ANY VIEW TO JLTGAME;
GRANT CREATE SEQUENCE TO JLTGAME;
GRANT CREATE SNAPSHOT TO JLTGAME;
GRANT ALTER TABLESPACE TO JLTGAME;
GRANT CREATE ANY INDEX TO JLTGAME;
GRANT CREATE ANY TABLE TO JLTGAME;
GRANT CREATE PROCEDURE TO JLTGAME;
GRANT ALTER ANY TRIGGER TO JLTGAME;
GRANT CREATE ANY TRIGGER TO JLTGAME;
GRANT ALTER ANY INDEXTYPE TO JLTGAME;
GRANT CREATE ANY INDEXTYPE TO JLTGAME;
GRANT UNLIMITED TABLESPACE TO JLTGAME;
exit
EOF
imp userid=jltgame/JLTGAME123 file=/backup/52backup/jltgame$DATE.dmp full=y log=/opt/logjltgame$DATE.dmp