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发表于 2012-11-13 08:48:12
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1判断语句
0 w" `# @8 t6 A7 R9 z if <condition> then. G ^8 T* W4 d7 _3 V
<statement sequence1>;
1 D, g: C& L5 G/ N# a- U elseif <condition> then
7 O/ {8 L: p: C6 F9 U <statement sequence2>;
g2 I% _% Y0 k4 }6 ]1 s& w3 u else 8 o( _# J4 H& `- L V+ k6 D
<statement sequence3>;$ G: F7 _0 f+ g! `. y& V
end;! k j. `! \. N! n* ~1 ]8 H8 w2 Q
如果分支比较多，用：4 E. K" S' [) R# @& D+ @; | P
inspect <expression>
) f; i4 @3 T) z) c7 I when <constant_list> then; h; M8 |$ X& Z' j
<statement sequence1>;
4 X2 o- W4 c ?! g+ T$ s when <constant_list> then
6 i7 f; |6 E' D& c <statement sequence2>;, }4 C- {& K$ \+ s
...
( ` p/ t7 o$ T% Q, {* [- _ else/ B" K4 x; J" p9 t
<statement sequence3>;/ }' F! w" g" V2 m) L! x; b) U! T
end;) r, S# s1 n0 R! q( F5 k0 L7 H: Y
: z% p3 |. p/ }& k2循环语句4 B h1 V" e$ a0 L" [
(1) from <statement sequence1>
% h5 b2 U4 `# u until <condition> loop
; R( x" K; f* f9 p8 v7 F( k <statement sequence2>;
5 R( b. Y' C+ N3 o5 } end;
. f# h( p$ L" i (2) while <condition> loop
1 `; s) P: U& @* o9 U4 Q <statement sequence1>;
+ a( ~9 u @3 Y- n8 u+ L end;( P$ }; i- O! G- w
(3) repeat
, }$ b: d% H: O; }9 Q/ \ <statement sequence1>;2 a9 r# D2 {* T2 x9 E. a: q# Y, g& r
until <condition>;3 N" V. U5 `8 H* M1 x6 W# l6 D" `
(4) for <condition> to <condition> loop
! T5 M6 ~! K" a7 @# `/ G+ _6 S+ Q <statement sequence1>; e5 q* V# V' Z, z+ P4 N# g) d
next;8 R' B# @$ q4 H
3中断语句: R) X w, I2 J/ m5 s: M, k
waituntil <condition> prio <integer expression>;: X" z$ a& T, O: a) v' v
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以上为常用的函数！; R8 e7 e3 N/ W0 y
还有很多，如有需要我把资料发到你邮箱里
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