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发表于 2012-11-13 08:48:12
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1判断语句8 |/ V7 o9 D7 R
if <condition> then/ Q. O) h# h f* _/ U
<statement sequence1>;
+ E3 D, Q3 O: X& H! V# w4 h elseif <condition> then7 G$ \, ]1 _! ^9 r& j
<statement sequence2>;
% H* S2 v3 k4 B3 g7 b) ? else 2 h2 L+ m; z' q5 T: D& @; v3 Z9 O
<statement sequence3>;
9 c M3 Y- L2 A" |% U end;1 K0 K$ @0 u! {$ n+ K" s/ c, f
如果分支比较多，用：
3 i: X, l* z$ P- m2 h' p L1 R inspect <expression>
0 n$ N# F1 m0 t% a, g when <constant_list> then
! V: z" Q0 s/ d: b* o, U) J <statement sequence1>;
, c4 y/ W6 I& A1 F when <constant_list> then* y( K! a0 D0 ^9 W. I. _7 [
<statement sequence2>;$ X8 t1 g2 Z5 \5 E
...1 K, A+ j6 k" A+ K3 I
else. _6 j" M3 `% A) D
<statement sequence3>;
3 H7 W7 J: G, ^end;
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2循环语句
) W$ H e/ J% i. x, Y, q$ { (1) from <statement sequence1>; N4 A8 C/ s) Z! ?. \3 Q; u
until <condition> loop, @. Z5 m) X8 _$ N
<statement sequence2>;$ c4 w! s' m9 z
end;
. l, K' p$ G/ y" `1 o- w: o (2) while <condition> loop; \+ o9 z4 \0 |7 ~/ g
<statement sequence1>;
3 I; K8 r& H( W1 D3 l% r' q, U" S2 ] end;3 ?1 W8 p* ]0 c
(3) repeat
- \4 e& B$ ^# a" q% L' q) q <statement sequence1>;" a8 n* \1 N+ a6 B
until <condition>;
1 B! W+ {$ _ y1 l2 }2 K) h* H# h3 I (4) for <condition> to <condition> loop
1 w5 g, d d( g) L2 E) Q& u& u <statement sequence1>;
. Z4 [: o$ ]' G& E& p next;$ D2 B6 C, Z( e0 f. H/ z+ Z
3中断语句
8 F, X# _) T, S waituntil <condition> prio <integer expression>;3 @+ i( X6 c6 P% W/ R
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以上为常用的函数！/ H2 c4 u* o) k6 ]8 A* h
还有很多，如有需要我把资料发到你邮箱里 7 V8 D& C+ I& C4 K2 K+ S" F) `6 ?
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