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发表于 2012-11-13 08:48:12
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1判断语句% `. d0 C( h2 D! B; @
if <condition> then
6 A' g8 S0 _6 v. z( o2 y9 t7 s <statement sequence1>;: t2 Q8 d j( E. ~
elseif <condition> then2 Q% m! x* Q' \
<statement sequence2>;% }# i! U5 f& q& q' O
else # p8 `) r+ m. E& C
<statement sequence3>; C/ Y: z* o2 `& h4 _, s* ~! W
end;/ D0 b- g5 ^9 T: U
如果分支比较多，用：4 X6 _+ k( i& M d
inspect <expression>/ q: @$ i! R' T K/ A) M$ ]+ L
when <constant_list> then
" U/ A6 W6 L( s- J. `9 i <statement sequence1>;" |& u x" I& d0 S+ c
when <constant_list> then
) @' @6 ~4 H, m3 f$ L <statement sequence2>;
& }2 K; @9 ]0 _) Q; t/ k; {+ I+ g& L ...
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<statement sequence3>;% a/ _" Q, n, Y2 c1 _1 o. l+ k' h
end;; ?0 H- k. E% H7 H( C
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2循环语句
5 C+ h& u `1 P (1) from <statement sequence1>
0 y5 o7 T9 b- c. c" [. N) Z until <condition> loop3 ~& x" ` }, K0 ]6 E$ x1 P, Y; }- @
<statement sequence2>;
* i* r9 ^* M. `8 H' I4 w/ H end;
$ j' P, Y" D/ m+ ^ (2) while <condition> loop& f7 k5 d( T* K" ^3 p
<statement sequence1>;
, Z; z" j" b& i1 |* s+ r# E$ e end;
4 z2 F, ^) r5 C) V( O: m (3) repeat
" G5 Z+ E+ t5 R1 R7 F8 R* k <statement sequence1>;6 \7 O' }0 I3 f" v# t9 c
until <condition>;. e/ M' V0 _, S
(4) for <condition> to <condition> loop, _: q: @+ C+ o; O
<statement sequence1>;
/ V3 j. w/ n' P0 [9 ~0 I* P next;
9 ]$ C2 L9 g) g X; O3中断语句
0 I. H( W' y1 ?/ v waituntil <condition> prio <integer expression>;" _% D! O, ]! X
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2 [/ Z1 {" t5 w2 t1 E1 O" }# b以上为常用的函数！5 `/ J$ \ G2 Q" d6 c' L: N
还有很多，如有需要我把资料发到你邮箱里 + i1 N- J4 Q# x' D3 H
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