select * from notice n where n.tittle like %$$ %;不安全
用$符号不安全,改用#
select * from notice n where n.tittle like '%'||#name#||'%'
安全
select * from notice n where n.tittle like %$$ %;不安全
用$符号不安全,改用#
select * from notice n where n.tittle like '%'||#name#||'%'
安全