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发表于 2012-11-13 08:48:12
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1判断语句1 X$ U0 V K# z' C2 W% S
if <condition> then# P7 g$ u: n7 e6 k# `( L3 H0 b
<statement sequence1>;# ^/ e' R* Q* |$ P7 z4 k
elseif <condition> then
# O6 b8 {! }9 N0 d8 H <statement sequence2>;
7 o1 Y4 N% O% f% O else
8 L3 s5 L6 @8 J4 D <statement sequence3>;0 n" u' T3 t* S( I( {
end;
+ T2 Q z3 E- ?# u$ K8 e如果分支比较多，用：
; |0 G) O; a+ K8 F0 e0 l inspect <expression>
4 ]( W/ {; i# S6 _4 ], B- t when <constant_list> then
* A5 R) c: Y; w! ? <statement sequence1>;
1 K# H+ U: G7 k2 n! g when <constant_list> then
6 K- b9 h- L; b6 B, y& P. v& g! h <statement sequence2>;( m* O% N9 J" Z V" d% r5 F* ^9 I6 F
...
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<statement sequence3>;
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2循环语句
; ?% O; e* C! R8 t$ ~8 H (1) from <statement sequence1># h. I8 X. B! ~/ I2 \3 D
until <condition> loop* T Y2 i5 n2 G, f# E( ^
<statement sequence2>;
6 d2 v8 O$ }/ S. T/ H; O+ V6 E end;
$ J5 o# n0 J$ T' o4 N# d (2) while <condition> loop0 r) i+ P7 h/ U' H; [# _! \$ `
<statement sequence1>;6 n% \- N# u% T. ~0 n; N
end;' r. U( s" E, P6 f! K$ e
(3) repeat
$ G: }: B4 N# j: f9 m& N <statement sequence1>;
, w/ O/ O: i) `* Z" N until <condition>;$ t' d! t4 V: X" O
(4) for <condition> to <condition> loop+ Z) N/ Y: m( L; U5 c6 O* m
<statement sequence1>;
4 x T; B) P, Y& [ next;" P# }- \, d) n6 y( h3 |6 ~% O4 i3 F
3中断语句
2 [) \! T) P$ h6 m3 } waituntil <condition> prio <integer expression>;7 W" Q& u# Q) w
! \; j: Z7 |' h% W2 l+ r$ D
4 }& Z; c8 C. m3 @0 L, d以上为常用的函数！5 x2 E' m2 q! c5 H$ X3 U
还有很多，如有需要我把资料发到你邮箱里
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