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发表于 2012-11-13 08:48:12
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1判断语句$ x; e q) q+ [' X; D6 y
if <condition> then
* V( G: a2 G( u <statement sequence1>;
* n5 r5 R, M' M: J elseif <condition> then5 h4 g- _% y+ _4 m
<statement sequence2>;
8 I* G/ g7 p- [ else ; q! t6 f; m2 ~6 ~$ s
<statement sequence3>;
' T; l# G* K/ B f8 h end;
! y9 C, w9 p" v9 R" U! p如果分支比较多，用：/ C) h, k- Q" ~: B. J& @ M% X
inspect <expression>
) a* Z6 [" S& `8 i1 T/ k$ T( \: B when <constant_list> then5 D+ f! _' a( Y# G( R. K& P% E
<statement sequence1>;1 [2 Q( M- U {" w0 d( w
when <constant_list> then5 l# `* S" f. k% v- f
<statement sequence2>;. D6 P3 B8 J5 ^6 j- |3 m
...
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2 ^' E$ H& O! \. q, D <statement sequence3>;0 q7 T: F7 g! [6 q" r
end;: P7 v; Z* [3 i) F9 ?. E- W
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2循环语句/ y5 @/ n- k* P
(1) from <statement sequence1>! L3 Z+ D( x0 }! ^$ Y7 H* b
until <condition> loop1 t& \; }/ @: X% X
<statement sequence2>;9 K8 a5 ^1 n% q( k9 b
end;! T4 ?; F2 Z% A; B1 F
(2) while <condition> loop0 L# \! p) h# }: i' W9 `9 y1 z
<statement sequence1>;
9 A9 U D' ~! a4 Z% v end;; A" H2 ^% d) G$ A! y
(3) repeat % z2 r) U/ R9 I8 ]
<statement sequence1>;
4 y) Q( h8 o/ T, X8 W until <condition>;- W5 c0 a1 [3 T) c8 S+ r# [5 X9 T
(4) for <condition> to <condition> loop
1 p7 B7 K& o, u! W' W <statement sequence1>;# a* h6 g& p$ i1 A
next;
( R, R/ y) Q$ [# f4 j3中断语句
) q0 y$ u) L$ s/ O. n waituntil <condition> prio <integer expression>;
6 i3 `4 `! _: g2 }# `5 s" A. ? s8 m: }5 }$ l8 A
% F4 ~7 c3 j% V以上为常用的函数！
2 h; h3 S3 U- h3 \& f# S还有很多，如有需要我把资料发到你邮箱里 % e- ^# k/ }: d
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