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发表于 2012-11-13 08:48:12
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1判断语句0 T! t( I" O3 Q
if <condition> then
, x3 z* d8 z) b1 L: P q0 N$ r <statement sequence1>;
' R' v7 t7 F! ^ elseif <condition> then
# ?5 W i4 G' b; @3 J/ i' l1 R/ E <statement sequence2>;
8 L* \3 n3 k* R else % m& f# U& `- O9 U
<statement sequence3>;
( R5 a2 P6 Y2 x. \( B. U end;
2 Q$ O o: k, D- l$ f5 T如果分支比较多，用：
8 J M" I3 X& d; b3 } inspect <expression>
$ h4 H* Y/ I7 T5 T+ x" V when <constant_list> then
5 o G0 _$ n1 J! ]. O; s: u <statement sequence1>;1 M8 R! c' ? ^- A+ I3 m
when <constant_list> then
! n! F) X, x1 J* j' w <statement sequence2>;5 _7 k+ X* ?7 k7 A8 B5 p5 D
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else
: b; D6 A$ x e& j( S4 b) N% g <statement sequence3>;( |, c* L# m3 h) c
end;
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2循环语句2 G0 q ~: }# c
(1) from <statement sequence1>
) W e: t; }# p% G, S( ^, H8 u until <condition> loop
* ^% s. U' o! s( @) r <statement sequence2>;
0 K% s. ^) P" d5 T end;
% Q+ p( f' P" b$ X (2) while <condition> loop3 L# U& e" L8 G, w" O" B9 s
<statement sequence1>;
7 e6 f* p9 M" {* f end;
- f0 A- D) E$ @1 Y" O; h" y# G (3) repeat
2 b# r; {* x5 O& M <statement sequence1>;# N f2 X. B: Z. O
until <condition>;% B1 j0 z8 V$ E0 C# d; b
(4) for <condition> to <condition> loop" _& B. }3 j" Z' J8 [
<statement sequence1>;, z* i0 Y% i2 Z# O* N) L
next;/ R- a2 u! m. J v& R
3中断语句- E* o5 f# [' H, |
waituntil <condition> prio <integer expression>;; K1 z- e% A6 w4 Q* b
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# a( T4 s: G( F9 z; V以上为常用的函数！
: j: Q7 v) z- t. t5 f还有很多，如有需要我把资料发到你邮箱里 P7 N0 K# U. N& e
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