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发表于 2012-11-13 08:48:12
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1判断语句3 v# w/ s; z2 p* [6 d
if <condition> then+ b2 K+ ]3 k- ~" @3 [
<statement sequence1>;7 s2 B. H3 w: n0 W- [" T& J
elseif <condition> then
. ?+ x9 ~3 z( _; R4 a <statement sequence2>;* ~7 j' O. c, J; y: r3 ]. g
else & p" _+ R8 E7 z4 I: ]( c* M8 Z
<statement sequence3>;
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如果分支比较多，用：
2 v1 D R1 d& J; Z6 j" ^& ^ inspect <expression>
7 Z$ E. N B: I* _8 Q5 c- s% W when <constant_list> then$ U- I9 @# J* \5 g8 B! a& M
<statement sequence1>;/ M8 @2 n* V! f; Q
when <constant_list> then
4 C1 u3 g1 A" e$ s" }7 J- x" e( h <statement sequence2>;
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else* A( E* V+ S. j
<statement sequence3>;
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2循环语句
% q8 h" d6 G& U$ L$ \ (1) from <statement sequence1> S: y* m/ G |* }9 t& o
until <condition> loop
) m% M1 W2 F8 l% ] <statement sequence2>;2 P5 ?9 w; ~0 X
end;- Y; J0 [/ L1 P" Y; F+ N
(2) while <condition> loop, p$ t6 [6 @9 S! T# y ]
<statement sequence1>;2 B: B& d$ d& x: w! ~$ @
end;" R2 v8 x1 S6 O# a9 m
(3) repeat & ]7 w+ u+ R4 g2 Z) ?
<statement sequence1>;
! _$ c3 }& Z6 i; c' P5 N until <condition>;& `7 m' g. ~5 {' {2 p) D$ S
(4) for <condition> to <condition> loop h7 g9 y7 S; Q' I
<statement sequence1>;
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3中断语句6 V2 G7 ^" T3 u6 x
waituntil <condition> prio <integer expression>;
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) ?( ~4 e8 o6 j# @以上为常用的函数！
1 x7 C5 G2 T# A8 T% Q还有很多，如有需要我把资料发到你邮箱里
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