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发表于 2012-11-13 08:48:12
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1判断语句& _. r9 N2 I+ y+ R; J' K
if <condition> then$ z9 _6 \' b9 G/ ~- A
<statement sequence1>;4 u, @6 c# ^; G( p6 A) [
elseif <condition> then
- {% _3 Y% O5 c <statement sequence2>;
! M+ p+ j# b4 S2 k else ( j; a; g" w5 z1 |9 `/ t L
<statement sequence3>;
. a+ [: A" A5 X: r end;
( a# k1 j" H& N% T5 p9 j如果分支比较多，用：! X' U7 P. \' ?+ a& F* _
inspect <expression>+ V/ J% l) w; o- o7 h$ k8 Z6 _ h/ z
when <constant_list> then
7 P. u2 x" ?8 I& V4 k) E <statement sequence1>;) ]; y! J# t1 G; }
when <constant_list> then
! C& ?9 \% L- _1 R* s <statement sequence2>;
* K% ]# H0 q" k ...
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<statement sequence3>;& R; H7 h/ p n
end;( R0 J; @6 x7 a6 U8 o" o
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2循环语句
9 P2 A! |9 J& [' A. X (1) from <statement sequence1>. m4 Y- w5 |2 g' R* ~" A8 e
until <condition> loop! E j! F7 ~; z8 ~) z
<statement sequence2>;* o5 c# C+ [7 I+ @, t5 Y! {
end;: z# p' x; `! R" s3 I7 D
(2) while <condition> loop6 h8 x: R5 z H
<statement sequence1>;
& d( ~( G/ w! M end;
" G" l# U, w# G' E. v2 u (3) repeat $ j! I& u H/ z' O4 n8 b4 H
<statement sequence1>;
( c; [; J% k: s% q* k3 Q" r' L until <condition>;+ `# c# T9 d7 y# ^+ C3 Y. G
(4) for <condition> to <condition> loop; `: t) n. E6 M& W% @) j( z
<statement sequence1>;! }, f9 ^' W$ G4 H: t( t6 `; K6 u! j
next;
0 o& [! g" _- G D7 P/ b9 v; Z3中断语句
" n3 t' y# M$ Y" U' @! e1 l7 J5 x waituntil <condition> prio <integer expression>;
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以上为常用的函数！; n6 z* F4 c" }4 X/ x& [" q1 n
还有很多，如有需要我把资料发到你邮箱里 & F ?/ C2 b+ G
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