|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
+ k; T4 s) F; n) U if <condition> then/ h- x# C( T. o6 O2 n" o! K# n
<statement sequence1>;
: l2 Q* N8 X( z- ]; }: f elseif <condition> then
, G& F8 I& o0 H7 v# B <statement sequence2>;
7 `3 a% c% g7 U* J* `# i; ?/ z else % ^% R# @' N& N* Y& m
<statement sequence3>;7 {! A3 g, Y: T+ b6 J0 @3 {
end;& o/ B G1 F8 t# P8 B& t* ]
如果分支比较多，用： Z5 e4 W q' _3 }2 u8 e% O
inspect <expression>
8 |; w- a/ Q! c$ a! B( { when <constant_list> then9 O0 }: F" Y# Y* v- M& W# G0 J
<statement sequence1>;, F; Z) c* n. P, q9 T4 N
when <constant_list> then3 j8 V, k5 Y4 Q4 F5 M
<statement sequence2>;
9 v8 x3 o. x9 v# l4 |7 K ...3 ^& a0 m, @2 g* ~1 `3 [4 t
else- o' Y# {) Y# M+ }8 _) C9 i! V; z
<statement sequence3>;# M9 N& J8 |9 Q- m
end;$ w/ s, }! @7 H( s; g
8 A& ]! l- d5 p: A1 h R2循环语句
2 z5 v! g5 ~/ J) G (1) from <statement sequence1>
' Z9 h5 X) F1 T, u) U2 U until <condition> loop
; b1 s, K+ O' O$ ^ <statement sequence2>;
+ ?! ]2 G' a0 K4 `# p8 ?" j4 {( x8 { end;+ K0 d* C& x8 } o5 w3 c3 i& ^. `
(2) while <condition> loop
7 ?8 ?( S8 [/ y <statement sequence1>;; P* N$ z; u$ J3 l) a5 N
end;
" n! x: b1 L& B8 F( ^/ w7 |4 t (3) repeat ; R& b6 w' H" i5 x) p+ |, Y
<statement sequence1>;
y+ H- d9 |8 n8 }% e9 g until <condition>;
0 h9 g9 \+ ~* \, \( ]8 o( m Q (4) for <condition> to <condition> loop
: n6 [7 t; K/ C0 r <statement sequence1>;/ Q$ ]% Z5 p0 ?- d7 \; w; h
next;
- c& W N# l- T9 {; s- F, L3中断语句
+ v* t2 d2 _5 N( ]" s S3 | waituntil <condition> prio <integer expression>;
$ S! _: s+ J" L( d6 Z2 o: Y. u+ i! \' m. ` k& `
. Z& ~7 ^9 r1 j# O! _( {2 B以上为常用的函数！" s: P/ ^& f" v' s! h
还有很多，如有需要我把资料发到你邮箱里
9 _. x) R0 ~2 `* E# ~
6 m2 O; O8 Q* _* G9 k, K2 V! R
! L0 T! |) S5 X4 K$ E
1 I* h3 J' C1 `9 C/ R 5 N& S% \5 d# ~0 P( ^- m
- o' z# I1 n1 z/ n2 C! f @2 e; m* @7 n0 Q8 q$ n3 p+ h
( n2 h( Y/ P: t0 ?, Z1 n Y
4 P6 ?4 C6 M& [ @/ N+ v
6 ^! r% A3 n( A# X2 j
5 q3 D R& f' X& F- J8 A# y |
|
[复制链接]
