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发表于 2012-11-13 08:48:12
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1判断语句
( e. d/ V. N! e if <condition> then( u* G& P8 P7 d) d6 T+ ^. D( H
<statement sequence1>;
8 i5 V6 V5 j; `1 p0 m elseif <condition> then& J2 {- p/ R# k! h* K( @" b
<statement sequence2>;
; U: U2 W9 U3 P5 W# L6 S else
{& k/ c3 b% X% H' C" q <statement sequence3>;
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如果分支比较多，用：& P' C' V3 n! s5 A6 S* J( F+ ~
inspect <expression>3 B+ _' s: Z/ p1 w6 f+ p l
when <constant_list> then# {! I3 b" A, N: k% U2 D' b+ S
<statement sequence1>;( G2 Y8 b0 b: q9 ~
when <constant_list> then( @8 N$ [$ z+ L9 ^
<statement sequence2>;+ G" j7 N- @" Z+ r" H
...
- t k( y+ q6 @* \$ _9 n+ v a* t else
9 n1 G% t9 C$ S5 Q, Y <statement sequence3>;
9 k3 g0 g! H; `$ \$ V/ o/ Aend;
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! }4 X+ q2 J- U1 ?0 W% W2循环语句7 Z# G3 L. e9 j4 a# j0 @+ }2 `
(1) from <statement sequence1>- l: E* n% k/ Z L) C \% H. S
until <condition> loop- V+ T$ v4 N0 p0 B) ^/ z
<statement sequence2>;
8 M/ |3 m2 B- B- r4 w+ l end;
: s+ l' x$ b* i X (2) while <condition> loop0 ~6 [0 x% ~9 F
<statement sequence1>;
4 }( O' B) ] k. j end;
$ Q' a7 \! t% n$ x, U (3) repeat / n2 L0 N; v4 L- F! t, K
<statement sequence1>;
+ Y' A1 m! Q* T until <condition>;# M$ i2 l" O2 m& h% Y
(4) for <condition> to <condition> loop$ O' E! P7 j8 s& k
<statement sequence1>;
: _) H* v. r& e4 f4 r$ Q4 J' ]9 ^& T next;
. i) S$ `. E' A3中断语句
5 c" M, B! X* i) A* F/ C2 q' R8 k waituntil <condition> prio <integer expression>;
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以上为常用的函数！; K" x- q# j6 I
还有很多，如有需要我把资料发到你邮箱里
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