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发表于 2012-11-13 08:48:12
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1判断语句$ u5 x5 q. G3 V2 K! R6 n
if <condition> then
6 Q5 \9 g2 Y y+ L5 S2 S/ x/ c <statement sequence1>;
: q0 b1 d/ S. X8 L( G elseif <condition> then7 ~6 q8 C* v8 h7 C% j( ?1 D. r
<statement sequence2>;0 Z; }! o/ w4 J
else 7 j1 n# {! U7 T1 k1 {# A
<statement sequence3>;
) M( A: p, ] I. t& u end;
% J5 t* F1 g" `' x. ^如果分支比较多，用：( c0 Z4 p+ u5 n! X3 k) `! a6 a
inspect <expression>! v7 ?1 p$ `% e- s2 R* ^9 z
when <constant_list> then0 P5 d+ P; \9 [3 D$ j
<statement sequence1>;
2 l' x+ a' G/ @9 t1 \5 b. ~9 Y when <constant_list> then
, m# p! |) n- N: |: |+ ? <statement sequence2>;
" _4 I. H$ a6 y ...
: [ r* O$ @: v, ^6 K5 ^. U+ E1 O# I else
8 M* J# F f, ~7 g0 `3 G. X <statement sequence3>;
8 ^! Q3 [9 I+ d; A- M# I. {end;
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2循环语句0 ?5 U h1 m( M( _; B
(1) from <statement sequence1> } N& N7 ?: ^7 V
until <condition> loop
2 j* _, Y; e# u' M1 h6 } <statement sequence2>;
! Z5 ]6 N& a: j) Q) D- R/ b$ x) r O end;
! @( [% S! _4 G+ j+ [ G (2) while <condition> loop
! [* `0 f) i, M! B <statement sequence1>;
! B2 p; v3 g( n" p end;# n, j$ n: T' M, q. D$ a% a
(3) repeat 8 j7 C( i* y" q; w1 M2 G: G, I: B
<statement sequence1>;
; F2 v: z$ A& u' g2 l until <condition>;
) B+ `5 y7 g6 e& h# O2 \4 T O (4) for <condition> to <condition> loop% R& f9 o4 M0 A! \
<statement sequence1>;
3 l, A# }( n+ Z$ v5 H next;
7 w8 P3 P/ n+ q4 ^3中断语句0 c; d' S% J x) V& q
waituntil <condition> prio <integer expression>;4 j$ t5 p! S! A
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' L7 ^6 X. N; ?- s以上为常用的函数！
# Y, z8 m1 [- v4 K5 u还有很多，如有需要我把资料发到你邮箱里
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