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发表于 2012-11-13 08:48:12
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1判断语句8 [5 y0 k- v. ?2 ^; q
if <condition> then2 {, |: V, k" V; d- c
<statement sequence1>;; U8 f, [. i) ]3 `# c8 g7 D
elseif <condition> then
) Q* L! N! B' D <statement sequence2>;9 S. i* C! [5 `8 j0 g
else . G+ C4 J! |# [
<statement sequence3>;& y& b5 ~8 i+ a& M. e+ I
end;
9 q& \, i. _# N如果分支比较多，用：
6 w b+ t! b |6 O inspect <expression>
5 O- C7 E1 V6 H' r+ c9 H& k when <constant_list> then. I+ q5 D; R# S. w, d, V5 S. H
<statement sequence1>;
. ? J* m" H7 O when <constant_list> then8 U) h: t# L4 @
<statement sequence2>;, K. J# c. F4 |3 i5 C1 I
...
/ Z- C# T5 y: Z2 W& ? else
/ t2 e( ~) ?* i5 \" D, _3 H8 u& q <statement sequence3>;1 w0 D) g9 s. S/ P
end;
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2循环语句4 R6 p6 d1 b7 i* B7 |8 e
(1) from <statement sequence1>+ W" _' q2 S6 c' H) y4 g
until <condition> loop( }! c& K* k$ s. r. p
<statement sequence2>;# Z' x% a8 H1 O
end;% i5 B7 E( l: }# y0 ` T( M
(2) while <condition> loop0 {2 b9 O. {; z/ k1 B
<statement sequence1>;4 u6 ?% D8 K# t( o) r; l
end;3 f, c6 ^) d. d8 n, v. K* u
(3) repeat ' B3 d1 w9 P% d/ e( }: d8 l
<statement sequence1>;
6 O0 F& W+ s* F$ E% D$ O! [- X until <condition>;
K- b' I7 Y, P9 T5 `: X9 H5 e& s (4) for <condition> to <condition> loop
9 {( K. r+ d8 E) I <statement sequence1>;
: e+ H) ?: M, O next;
* v3 O! I: N, o- U k0 N3中断语句: q! |# c/ Y9 g+ E7 W
waituntil <condition> prio <integer expression>;# B8 E f, M! }
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6 P- _- g5 m( ^以上为常用的函数！
( n9 R6 H& E* L7 i& z& d% ~$ X还有很多，如有需要我把资料发到你邮箱里
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