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发表于 2012-11-13 08:48:12
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1判断语句
1 u. _$ r- ?# w# N" h M. i if <condition> then
8 k& u( e. E* \% `& V, ~ <statement sequence1>;8 x) f! U( c% ?: u2 Q; S' G# _
elseif <condition> then8 i" j" h# [# D0 z. L/ \
<statement sequence2>;; T* P \$ g0 k! @: z
else " g2 s9 ]8 [9 Z0 u, Q2 E
<statement sequence3>;
$ i( f( A3 X( S& ]+ i end;
2 t* m* l) Z/ o9 D如果分支比较多，用：
# V* h" x4 { Z. D: \- J: |% b inspect <expression>$ D* l$ ]9 ]' V& I) L
when <constant_list> then
5 h+ T* [5 F4 Y3 `: ] <statement sequence1>;
: T# k, q( ~8 G/ O, y when <constant_list> then
& Y) ?0 f7 s' ]$ Z. W <statement sequence2>;
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else
+ W6 m9 D6 P3 t- l+ s <statement sequence3>;9 G& k( p7 e& E! f2 f- ~
end;
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) r& `) `6 _) j+ P2循环语句( _$ N4 `- G) _1 J' t: V
(1) from <statement sequence1>4 H# K! B A- }! V% {
until <condition> loop* H' f# ]) ~6 `" M% l0 S" L& O
<statement sequence2>;
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(2) while <condition> loop
* K1 H! w0 b$ C$ r- F9 j4 V <statement sequence1>;# Y+ U' r" R' i1 B6 D
end;
1 n* ^# j( G* P& x (3) repeat
$ f2 Y8 J6 V8 S% f0 o1 V, u5 O2 M <statement sequence1>;) F5 l6 W/ ^0 x7 i- d
until <condition>;
: w: U9 e! Y' t) k (4) for <condition> to <condition> loop" O+ F! N7 `" b% t& w& c3 E4 X
<statement sequence1>; P/ v' W5 I$ B7 y
next;/ f" y+ R! ?1 `' w( e
3中断语句# t& Q, G4 v/ i" Y
waituntil <condition> prio <integer expression>;1 U* G/ e: q2 H. @3 Y
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' e) O J% f1 z F. U- ^以上为常用的函数！; `4 B5 r4 T8 g, m$ W3 `
还有很多，如有需要我把资料发到你邮箱里
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