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发表于 2012-11-13 08:48:12
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1判断语句( a" ?- w" u+ B& R1 ^7 `+ y
if <condition> then
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elseif <condition> then
3 D7 }: R/ ^' N* \9 h' r. p' ^1 N0 E2 L <statement sequence2>;4 D- G9 d( m# f- W: U$ _* _
else u" |$ ?; F& N( t0 E2 ]
<statement sequence3>;
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如果分支比较多，用：! d R1 `/ Z% O) [
inspect <expression>
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<statement sequence1>;. r1 p" }% l% O4 ?( m
when <constant_list> then
2 n4 w' L' m/ k" h% M# Z" e* n <statement sequence2>;
+ ~6 t/ p) W6 h4 ^5 _+ W6 \4 I ...
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<statement sequence3>;
: I7 Z9 O9 Y3 H( B- u2 Eend;
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2循环语句' R4 {3 ^) x n+ r0 C4 U5 R
(1) from <statement sequence1>
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5 M g3 i$ |8 k8 f- H. s: P <statement sequence2>;
+ f$ x9 L7 X. }0 l: U end;
. }% k, Q5 G: c6 s" L, N (2) while <condition> loop
* Z8 @& [# ]4 D <statement sequence1>;
5 q. Q" x. P8 i+ V9 i# d& F# T end;0 O$ ?( _/ v- Y
(3) repeat 2 s6 O5 M, Y6 b0 a2 T) p: f
<statement sequence1>;
7 o* [$ k6 H0 {/ b+ k: I d* s* C until <condition>;
. {$ d! K3 p0 W1 X( c- d$ c! s/ @ (4) for <condition> to <condition> loop
* M' n1 H% n k' O <statement sequence1>;
$ l' C- T$ \3 ]* Q. z* } next;8 F# L! [' P! [, S' b% ] \
3中断语句% r) x$ u5 S7 A4 L7 u
waituntil <condition> prio <integer expression>;
: U4 t1 o- ^' b* {
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/ z& [( ^3 |( b! S. F% q! G以上为常用的函数！9 x- {/ C |" b+ d' _
还有很多，如有需要我把资料发到你邮箱里
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