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发表于 2012-11-13 08:48:12
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1判断语句3 V. G: w8 \7 l: x) U
if <condition> then5 i. e# Z6 c: u" p) c7 j4 y
<statement sequence1>;" Q& ^0 T/ |. b5 P7 K, u4 s
elseif <condition> then6 B+ k, {/ W. `0 T, P, |0 v4 s
<statement sequence2>;" ~, H6 } ^. ]0 G2 V0 S5 f
else ! c) [( Q1 U+ V! h
<statement sequence3>;
- R) P1 Q i( l+ f9 ^% f0 J end;6 J) ^( l) F7 M. T5 B
如果分支比较多，用：1 X1 _; q7 }1 t' h; X% e
inspect <expression>
: ~, \* T$ J" T- e" E4 L5 V when <constant_list> then$ t2 u; q5 Q+ Y. ?0 P- X% \7 R2 ~
<statement sequence1>;
7 h. [$ s" ~; \4 _+ t3 @# Q V when <constant_list> then
7 ^8 ~7 U7 \4 n& f( R2 U <statement sequence2>;+ x4 Q1 N# u; i2 @1 a2 e
...
+ l; K- T3 d6 |8 [5 ^ else
$ n3 z4 w& o) f$ K. a# K7 m, f <statement sequence3>;
7 g/ B8 ^# y5 c0 L0 Vend;
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2循环语句" f" i3 W2 g) E2 H
(1) from <statement sequence1>4 L+ n0 H, a# t: B% {
until <condition> loop
; {) K! v) {, S+ R( t <statement sequence2>;
7 b1 K3 m1 }$ L0 J6 g J. G end;
) h# L+ r- {9 e/ B2 p5 Y; u (2) while <condition> loop. m. m# Z" S# ~0 I
<statement sequence1>;
y# u9 p- A0 @$ z$ y4 i3 y end;3 k3 [/ X: G. t& L# X
(3) repeat
& U5 _0 K% a" @9 I <statement sequence1>;
- F% E! E& J: I% W8 m until <condition>;
9 H& U6 I0 Z' D* z/ |4 C; n, o, A& b (4) for <condition> to <condition> loop
3 Q9 q6 E4 d/ H8 a8 m" l <statement sequence1>;9 ~6 S$ L3 J1 e1 P8 L
next;$ R" p, k# O( x9 T4 ]
3中断语句
\& p8 M$ o/ e$ @. ? waituntil <condition> prio <integer expression>;
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/ b: J& r* A, }& T6 c$ Y D* O以上为常用的函数！! y6 k2 g& o' U, X+ c$ j$ {
还有很多，如有需要我把资料发到你邮箱里 ) e1 u* }! C" s: ^: Z) ]7 ?1 i
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