IN 怎么使用？(10分)

Y

yukaikai

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2003-01-02

• #1

要检查A是不是在(A,B,C)里面的一个，怎样实现？

 

G

gxcooo

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2003-01-02

• #2

if( 1 in [1,2]) then ;

 

Q

quiben

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2003-01-02

• #3

type aa = (A, B, C);
if (A in aa)then
begin
end;

 

H

happyloner

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2003-01-02

• #4

if table.state in [dsinsert,dsedit] then
showmessage('数据库处在编辑状态中');