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发表于 2012-11-13 08:48:12
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1判断语句5 ^6 s* d" Y$ e. t) h3 Z
if <condition> then
5 y: K+ ^1 [: F3 X% q <statement sequence1>;
0 w) k: r( i/ b: v1 k# F: U( ` elseif <condition> then
( ] k6 }; y, y* B' Y <statement sequence2>;* u2 l# Y; Q; M+ c& }: p! S( l
else & C7 ]* H: h L# w
<statement sequence3>;; f3 e' s `! I/ S% S- a% e5 t1 k
end;
2 a, Y/ e8 d+ H5 j, }7 \: I如果分支比较多，用：
% b* p1 X( L! c- p: j) ^; N. H inspect <expression>
$ M8 A& s% u& V when <constant_list> then
) P# ], `5 B# `6 o4 z5 O <statement sequence1>;
2 A, I' U/ A; U/ a6 p) j when <constant_list> then
1 B3 W: @2 b6 q+ T1 ?8 U <statement sequence2>;% [6 S l) X6 E+ Q+ n; s% U
...
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<statement sequence3>;
4 l6 S$ k2 e) Q! nend;
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2循环语句
. E% x9 K( p! {* a (1) from <statement sequence1>& |, o' M& N- A" e
until <condition> loop: P1 A7 c5 r- j$ G! Q* z8 E- O' y) y
<statement sequence2>;) e% @& R8 R1 I$ j
end;- J$ ~2 D( |: R9 L x$ r1 v0 q7 h$ W
(2) while <condition> loop
- Z$ g8 v+ D7 U& o <statement sequence1>;( J2 R( B! s. D; b/ f
end;
" ?+ d/ n- a, \! Y6 w3 f* u (3) repeat $ K+ C- u+ s0 }8 w) _9 D
<statement sequence1>;3 g3 z! d8 |( \+ J; R
until <condition>; k n ~) U+ w( [3 S2 q
(4) for <condition> to <condition> loop3 p+ q4 Z _5 x. ?/ i
<statement sequence1>;
, C# |: m+ Z# f {+ u* N4 v next;
2 T" [" P& r; M3中断语句
! m" S; z6 ^* x waituntil <condition> prio <integer expression>;
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以上为常用的函数！6 ]% R$ B2 c$ z0 }) h
还有很多，如有需要我把资料发到你邮箱里
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