REM 對GHXXB制立數據庫觸發子(當INSERT OR UPDATE GHXXB時觸發)
drop trigger scjmmm;
create or replace trigger scjmmm
before insert or update of mm On ghxxb For each Row
Begin
:new
End;
/
Create or Replace
Function ENCRYPT (Inpass In Varchar
Return Varchar
bcs varchar
bcs
cs number;
jg number;
m_gh VARCHAR
m_mm VARCHAR
Begin
m_gh:=IN_GH;
m_mm:=INPASS;
cs:=TO_NUMBER(IN_SS);
If cs<=1 then cs:=77 ;end if;
bcs:=substr(to_char(ascii(substr(m_gh,1,1))),1,2);
If bcs<'1' then bcs:='7' ;end if;
m_gh:=substr(m_gh,2);
Loop EXIT WHEN nvl(length(m_gh),0)=0 ;
bcs:=bcs||substr(to_char(ascii(substr(m_gh,1,1))),-1,1);
m_gh:=substr(m_gh,2);
End loop;
Loop EXIT WHEN nvl(length(m_mm),0)=0 ;
bcs:=bcs||substr(to_char(ascii(substr(m_mm,1,1))),-1,1);
m_mm:=substr(m_mm,2);
End loop;
bcs1:=to_number(bcs);
jg:=cs*bcs1;
Loop EXIT WHEN length(to_char(jg))>13;
jg:=jg*cs ;
End loop;
RETURN(IN_SS||substr(to_char(jg),1,14));
End;
/
grant execute on ENCRYPT to public;
From:http://tw.wingwit.com/Article/program/Oracle/201311/11194.html