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发表于 2012-11-13 08:48:12
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1判断语句, a* ^5 d/ b* i' s* j A
if <condition> then# w7 i/ X: x8 z" H# m, E
<statement sequence1>;, w# @! e, n( w2 C7 L/ l! f
elseif <condition> then
3 u4 A `' \8 d5 V <statement sequence2>;
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<statement sequence3>;
' f0 h3 @2 k9 y* ` end;
& v+ t/ X8 q) b. T$ X如果分支比较多，用：+ X7 k2 {: `% {- K! {
inspect <expression>, W, |7 V5 s! F" y( H
when <constant_list> then
3 }# I) R, O7 L, {) c1 ^ <statement sequence1>;% R4 U, K/ K; t9 ~# h
when <constant_list> then
7 t8 Y) E! B) N- W <statement sequence2>;" \2 P8 q% m6 O7 R
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else
, T. }% ]% B( U" B) F) i <statement sequence3>;
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2循环语句
) ~7 a# H- a9 g (1) from <statement sequence1>
) P* r9 d+ W& D4 g1 H until <condition> loop- T1 X7 u) L. a0 L- u
<statement sequence2>;
3 t" b% E+ B5 B0 ^8 ] end; [: w2 r1 w( D. ~4 @
(2) while <condition> loop
7 N5 y( G8 y8 H0 W1 d2 ~; C <statement sequence1>;) Y- j9 k4 P) a
end;- @4 g+ @4 M! E. u) _) C
(3) repeat ; O- d: I" J6 V! h. ?
<statement sequence1>;2 [2 |. k; g: t/ P) A. v
until <condition>;
5 A- U- r% w- ^& I _% O. z) |# D (4) for <condition> to <condition> loop
, X& a1 l* G9 A, B0 l <statement sequence1>; m; n$ G! E. {5 \$ _9 T
next;
8 g; Y- K8 Y# ?) |3中断语句4 |3 W: u; h/ I
waituntil <condition> prio <integer expression>;; I, v9 o- E# ]+ i0 O# }# ~
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以上为常用的函数！7 X' J/ u4 _0 ~
还有很多，如有需要我把资料发到你邮箱里
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