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发表于 2012-11-13 08:48:12
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1判断语句
( M; a; e, O) F if <condition> then: j$ |) {2 `: N/ N; L9 g' O
<statement sequence1>;! e5 ]% M1 O8 a L! J& T3 t
elseif <condition> then, z. @1 a' g2 r3 R6 ]
<statement sequence2>;
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<statement sequence3>;0 K% {5 s1 y) W2 @* ?# z7 G2 o
end;
% ]8 e7 H$ H$ D如果分支比较多，用：
" z8 A4 D" _4 h$ A# \9 ]' P% U7 k inspect <expression>
: p$ t$ r @. n% C/ J when <constant_list> then
( P" U+ T* p z. c4 k# |; H$ G <statement sequence1>;# F- o( g0 W" D, O0 F, T4 F: ?, E6 a
when <constant_list> then
" T0 _6 R! C! z2 y8 E* Y+ d <statement sequence2>;4 m$ y# p# V' d+ n2 w+ S7 W
...
b* C* O: y/ E. z( q& @3 N2 j else K' r B- D& H3 i+ }& X% L+ F1 C9 \
<statement sequence3>;0 z/ I/ K9 s9 z [, L
end;: z4 J( N+ p) r" K4 S9 D0 Y
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2循环语句# S1 d+ Z2 K) H, \6 Q! x5 n
(1) from <statement sequence1>
, ^. R& b, G3 m6 X3 E2 J until <condition> loop
2 k2 R. |+ U" _8 u <statement sequence2>; a9 ?5 h( F; E4 S
end;
% k& ?2 k! b2 q( `* ~& H U! C (2) while <condition> loop7 o. ]0 N8 h' c% C3 L3 C
<statement sequence1>;
% [- u+ F: E, m; o end;; ^( k$ n( V4 G; P }( w
(3) repeat
. J) w$ ^0 x* g" i <statement sequence1>;
* W1 r# \: c% R until <condition>;
+ x1 o a+ x% b (4) for <condition> to <condition> loop
/ }0 N, {- [) I9 x! @' | <statement sequence1>;
- K2 B$ P+ C7 K next;
7 ~- d: U' B8 X2 X! W: [3中断语句2 ^+ r9 J+ a5 w+ {9 N5 Q% q7 O
waituntil <condition> prio <integer expression>;
% W9 r4 W( ]5 @+ C9 K4 l4 i$ S. k1 k7 v$ o* w& l
( H+ I Q: d0 ^# g* G以上为常用的函数！- s" `8 ~" }/ ]- Y4 d, Y
还有很多，如有需要我把资料发到你邮箱里 ' y2 C. }0 x+ W7 S L. {( h5 ~
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