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发表于 2012-11-13 08:48:12
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1判断语句
5 |0 N5 k9 h8 z if <condition> then
" ~& q: B" N) W# w" X- a# g9 B4 X <statement sequence1>;. \+ n2 A6 D' g
elseif <condition> then" c# Z' L9 f( A d/ \2 a' o
<statement sequence2>;0 I* C2 \) l4 v, \8 h( h r
else 5 @, M7 x1 s. G$ q
<statement sequence3>;
9 g2 ]% n2 _, f! I0 H; ~ end;
# V+ D4 r) W* j( D* K% r如果分支比较多，用：% }' C N7 _8 `5 E+ E; _
inspect <expression>0 K' T0 X9 i" m* J+ \8 g U) p1 Z" D
when <constant_list> then6 d6 C d! _$ I/ D8 S0 a
<statement sequence1>;7 M; q) x2 C& Q+ N+ ]
when <constant_list> then8 T$ Y* j8 a' Z5 J0 }- H
<statement sequence2>;
6 W, A& M$ I" [$ x. D ...
! D# F6 `; c0 F else" {* U! ]/ ]0 y ^; t
<statement sequence3>;9 n$ N2 p5 p- c* Y9 k9 T
end;7 f( i- U) q# N# y: r
^. a) d, j* T% N5 W6 c& q9 z: Z2循环语句
$ ?3 e, r9 A. ~0 o1 L6 x (1) from <statement sequence1>
9 d% ~' `) L9 i R0 Y7 G until <condition> loop
* l) }* G" ?5 p4 g. D <statement sequence2>;+ g3 b# ?( }0 a
end;& E! `' E+ N4 t( @
(2) while <condition> loop5 @ ?6 j. t" l* Z/ Y6 d
<statement sequence1>;! B1 ~1 U; G& s, W5 I0 ~/ I5 e. K
end;) u% u' m! M* T* S L2 e
(3) repeat
7 `. k* Y- _ L3 R5 N$ @: w <statement sequence1>;4 [# j/ q7 ^+ O; d+ B
until <condition>;
: D% [, k, X6 K* t (4) for <condition> to <condition> loop
n# g: r. P7 W0 ~ <statement sequence1>;. |1 M& G2 Z7 c6 w: F9 ]* o
next;/ X' }6 e6 I8 k& u9 ?% K
3中断语句
7 s. C' z% b5 K6 e* ?* `7 H waituntil <condition> prio <integer expression>;
/ B! ]& y" |' b. X3 A/ M9 \3 |- z5 i! h$ G) O1 ^/ k
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以上为常用的函数！
/ s& f% A) V) [- h7 r还有很多，如有需要我把资料发到你邮箱里
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