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发表于 2012-11-13 08:48:12
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1判断语句. S1 Y3 l4 `+ g. B D a
if <condition> then8 g& ]* S$ J8 F1 g9 c5 c7 E$ _; Q
<statement sequence1>;
+ R2 z. F! t( H" F% y0 ^8 ~4 V8 } elseif <condition> then
% H6 t2 f0 j: n8 ^1 u <statement sequence2>;+ G: M+ m7 H7 E, o
else : ?$ d# T& {& _% Y/ H
<statement sequence3>;, M3 L' e" x- z
end;
% p- b# Y$ p9 V1 l. E如果分支比较多，用：* M. B7 P8 f) M3 |6 O* w% s& N
inspect <expression>
; J# d$ U! R0 d# N2 L when <constant_list> then; D/ ]# f& X0 B5 b$ J
<statement sequence1>;. u6 ^& D7 x' ~; X
when <constant_list> then( m+ X% R) s2 L
<statement sequence2>;; d0 }' |. ~7 D
...: f# A6 R y9 C w/ r. c( L
else
0 {) y6 I- o4 k( | <statement sequence3>;- W: r5 c( a7 s; K8 U* s! {
end;7 b! L8 { _' D2 r3 S
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2循环语句
2 q; }5 Y4 z9 T* W/ E& Z8 _" D, c% f (1) from <statement sequence1>' K5 x& f! C$ X2 S% Q6 s: x, o7 g
until <condition> loop. F; y4 Q6 E( X
<statement sequence2>;; F9 o, X( Y# h0 B0 t
end;
$ k9 C9 Q! J( \( i (2) while <condition> loop
D: z$ v" S. n <statement sequence1>;& M5 \# G2 |! v5 z% _1 q k
end;
6 b5 m+ W8 m, x [1 N8 N (3) repeat
. P: S" F0 O* o4 e# M { <statement sequence1>;* T( i" n9 e" \/ L; F0 d: D6 o( X' R
until <condition>;2 }' F1 t: ]! z% z$ i
(4) for <condition> to <condition> loop$ ?5 j" B: x1 ~+ x6 n. Q' k& H% I
<statement sequence1>;
+ ~! B$ P3 }; u5 j/ K next;1 c' h& {2 O9 G( n8 i, R
3中断语句* h4 I& ^+ Z- u4 }
waituntil <condition> prio <integer expression>;' T/ t; K5 C. k$ z6 L: T2 T
/ W5 M$ Y- W! m: m) \3 i/ \
" m* j* p; Y3 ]) T: n: C以上为常用的函数！
6 e3 @2 c3 G& Y b6 C还有很多，如有需要我把资料发到你邮箱里 7 f6 s* g4 z: V' }
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