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发表于 2012-11-13 08:48:12
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1判断语句* o3 q: H' Z& _- x( m
if <condition> then* \! r9 `# ~) `6 X
<statement sequence1>;
1 B4 [3 ~4 P5 h5 O) b elseif <condition> then- I0 F8 d* R- q B9 N
<statement sequence2>;% \' I, f# s" S3 l
else
' u. v1 U6 X0 R' b# M/ [# V <statement sequence3>;2 U& [" y) F8 v& L# Z5 z, ?5 B
end;$ c) u2 r$ o" w! R1 a3 N
如果分支比较多，用：8 m% O; [( A4 D* }+ E, K
inspect <expression>
8 m5 }: K! {, c. R1 s0 \7 Z3 J" d2 q when <constant_list> then
6 ^" o! B' b: e* n$ p2 t. V. {. Q ^; | <statement sequence1>;' e' g5 _: L- b6 Q
when <constant_list> then
( x7 L" Q3 L& P/ w- |& ~8 U <statement sequence2>;8 _+ b+ V) U. F1 k i
...3 s* R' V6 o! v/ s* G
else
/ N# [) p, k7 g( S3 \9 M <statement sequence3>;
- W6 ]3 P. @6 l& dend;
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% s8 x6 ?1 l' S& I2循环语句* O2 g7 W# p+ u
(1) from <statement sequence1>( c5 }9 b' g; n4 G: ?7 I
until <condition> loop/ F0 y) t5 i! P' ^6 k$ |$ R
<statement sequence2>;
# m* B. Q% `4 c( b2 V end;9 j, [, O0 }* e7 a% s
(2) while <condition> loop
' h6 r. m4 ?3 M1 v# k: B$ v2 k0 {) E <statement sequence1>;
7 ~( k3 R; ]$ p2 [0 q7 D end;! `% p0 M i- f d O A
(3) repeat : C1 j, i/ ~) h" q. ~) l5 r- u
<statement sequence1>;0 k" B" Z4 a+ q
until <condition>;0 A( R* d# A% S0 \0 q
(4) for <condition> to <condition> loop
1 L( p6 m, P; b- J5 b M5 S4 g <statement sequence1>;& M' Z% F h) P' C
next;
1 ~/ e8 G2 K J6 o: R# w2 `* `3中断语句
- |! s& G2 d# e8 A7 e7 x5 j2 a! x waituntil <condition> prio <integer expression>;' B& ~ T5 d, F. _ J4 D2 M# k( c* g9 p
& t! J7 e8 x D6 ]
1 Z4 s4 i( B# G1 }% b以上为常用的函数！2 m8 \) {. n2 H$ G' o
还有很多，如有需要我把资料发到你邮箱里 % n; Y4 j I! f9 P
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