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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
m: I' B- e8 S. e- L) p \9 S if <condition> then
, I4 V0 n x" y$ k0 k7 [ <statement sequence1>;7 |+ t3 Q' T1 E7 t' i
elseif <condition> then
0 y' R/ q" G, A2 W& x9 t <statement sequence2>;
4 t D( K) C: J9 B* {/ c else 9 @- y- W- o* e3 S( g& U
<statement sequence3>;
! {: P! @" b8 O- I; u' H F end;
, D7 J: A5 _- C5 c6 u% `& V$ Q# i如果分支比较多，用：
- x3 `% h# ]8 W/ C. B4 P5 U }4 K inspect <expression>: D9 k1 k% h) O2 l
when <constant_list> then
! j H! s( {$ n1 R: K0 Q <statement sequence1>;
8 ^9 y p5 N" Z# V" c when <constant_list> then# P- D0 S" ~& D9 R3 @" K( z
<statement sequence2>;
, O0 O4 U! T0 G ...
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<statement sequence3>;7 q; F7 z7 x2 C
end;6 v' w2 C! V. m# q9 J# ?7 O5 H) t
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2循环语句
6 Y v0 p, m3 b7 P, A) F (1) from <statement sequence1>
" K1 ^& i" H$ z! A until <condition> loop
) y' G- [1 F6 _' f# _2 {: j <statement sequence2>;
4 k# a% _) G; C# n7 {3 `1 P end;
0 B! w( W& Y, Z$ T Y, h (2) while <condition> loop- X6 D0 y6 e' a9 E' ~/ D2 X2 D
<statement sequence1>;1 U& \2 v1 X, X2 q0 [
end;7 K$ \3 P; ^ {. S# m% r
(3) repeat : O3 I h3 V C4 H8 B3 j* W
<statement sequence1>;. E8 O0 Q7 o' }, ^5 _, r" M1 b
until <condition>;# d3 _. e& g+ t( v2 \/ f4 A( h, z
(4) for <condition> to <condition> loop
7 y( L" n& y4 f' ~2 H <statement sequence1>;
* `- E+ n$ ^$ P% _4 } next;3 p4 Q( t) ]5 k$ e3 k
3中断语句
2 X2 r4 f! ^* Z! a$ l, H waituntil <condition> prio <integer expression>;/ a# K3 t* o4 B0 m) P8 D0 L
4 @+ l0 |- x5 T
- {! j" c* \7 Q! g% ]# J5 }
以上为常用的函数！" a9 u( b) T0 A: f$ O8 S+ Z
还有很多，如有需要我把资料发到你邮箱里
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