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发表于 2012-11-13 08:48:12
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1判断语句
* v8 ]9 `& _ g9 ]3 X if <condition> then4 _/ v6 y$ |- c3 ^0 m: k
<statement sequence1>;
. o' r( l% k- r, T h* _ elseif <condition> then& P' ?. Q' T0 q
<statement sequence2>;, x% {$ a# e0 n# ~6 Z
else
, f0 z5 [6 g! V" _( ]& E <statement sequence3>;2 [# t) @2 }0 L- S+ n
end;
! k+ ?# y2 @% V* }5 o: T) c如果分支比较多，用：
- Y3 z: Y& F4 W inspect <expression>) F) f) q+ C# W, \' U+ V% m9 O
when <constant_list> then2 E, R& F* x5 ?! Z
<statement sequence1>;
8 X. Q" [" a% S0 R: ^ a when <constant_list> then
6 J( [% Z$ ~& F4 D1 A5 @6 H5 f, C" v <statement sequence2>;
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else/ I ~/ N1 j9 T
<statement sequence3>;. ^- S' f: j9 {- @+ f
end;
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2循环语句
: {3 `1 c) c: S7 T7 A (1) from <statement sequence1>5 K9 o# s; t5 z- Z
until <condition> loop9 E0 @% A, H; O7 q0 r; i
<statement sequence2>;5 D9 X6 b& e5 C4 V2 y: s
end;/ s$ `0 U) Q* Y7 O* K9 _4 I
(2) while <condition> loop/ n8 K5 V- ^! J2 `- L' \: E
<statement sequence1>;8 A2 l% N$ A# C' t
end;' a4 A# ~: v4 s( j# T1 y$ @
(3) repeat
! s2 |# a3 t: ~: E <statement sequence1>;! Z; M; ^- J9 h. z, h
until <condition>;
5 f0 q! P9 |% S. D2 i, t (4) for <condition> to <condition> loop
! E# i( ^7 ~5 k! V) m9 }4 Y <statement sequence1>;4 O4 C5 X! C8 ]7 F% _: i
next;: ]% ~* V) Z1 E1 O
3中断语句
$ B; O! H" Y0 ^2 x% Q waituntil <condition> prio <integer expression>;
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\3 G) p2 _8 I以上为常用的函数！2 h1 s6 o: E* V7 g
还有很多，如有需要我把资料发到你邮箱里
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