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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
% [( Y6 l( Y' e* P' i if <condition> then
4 f/ m; R, N) G5 g2 f. J <statement sequence1>;# v: w5 l$ z- ?9 m+ P
elseif <condition> then
6 p. q9 O0 T$ ]2 D <statement sequence2>;
6 B, Q$ x, K! \' c, |, F% [ else 8 D6 }! O% d/ M) g8 w6 @) f
<statement sequence3>;
4 L; @& ~4 o" [* a: s end;
6 y7 ^+ q6 C t6 E" s如果分支比较多，用：
" |, \( K7 R, y v) Z inspect <expression>, @' i' J$ {) B, x/ l# n9 v' [
when <constant_list> then! d5 f, P( n% @* v
<statement sequence1>;
t `4 I& c" j3 ]4 V when <constant_list> then
! k( d5 o; E* u! {' U9 w0 a4 ` <statement sequence2>;
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else
& q2 p$ d6 l8 a <statement sequence3>;
5 W y9 `: G/ a8 }end;! e+ A. V4 Q+ j" ]* }5 B, r7 l& e8 }( l
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2循环语句
$ N, ~% r. g( y( G: O, W6 T7 E (1) from <statement sequence1>
% J' c; @# i! y \ until <condition> loop% Q9 d. ~ y4 f1 Z q
<statement sequence2>;
# I3 e% a+ f" U& f7 y S end;
) f* ?% A; c, J: b* \ (2) while <condition> loop
$ H* Z( B' f) ~% Z3 N; F1 Q/ d <statement sequence1>;
1 w) p) x R& a6 I end;
2 f+ I0 l* T- P$ t (3) repeat 1 h1 x+ e) m6 P& G A
<statement sequence1>;
2 J" C( `4 H& j& ~8 U0 j- J until <condition>;
6 \1 c: W7 L0 X9 i2 p6 y9 B (4) for <condition> to <condition> loop
) d6 Z" K) k8 E( M' ]0 k$ R <statement sequence1>;
" q+ _* H: x( A- Q# N, n next; y$ l$ Y4 `* U8 A+ D, C
3中断语句
& {2 M4 p: I, R" ?: ]/ T) O3 Z waituntil <condition> prio <integer expression>;
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以上为常用的函数！0 }2 {4 h1 N, V$ i' x) F9 B6 u
还有很多，如有需要我把资料发到你邮箱里
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