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发表于 2012-11-13 08:48:12
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1判断语句
& h( }+ @4 O3 Q0 f1 l. U if <condition> then" Z* r& B& ]" J( c; J
<statement sequence1>;
0 |$ l; g- B) T$ o% l elseif <condition> then
, o* \# [6 J4 T* K) u$ G <statement sequence2>;
* a* [- P/ {( o0 T: M7 Z! l else
! o$ z7 y: v8 ]* S. K' @0 b8 L <statement sequence3>;. X- _2 I* [" D% h+ X( B. I) n7 \
end;2 C, @3 y- P& T8 a
如果分支比较多，用：
0 ~4 X' t: H+ Y* i. x inspect <expression>
* z7 g3 b& @- ^* a when <constant_list> then
# Y: ^) `" c6 R( K1 d5 \4 P/ } <statement sequence1>;
, `, s. }, v: Q2 W6 o when <constant_list> then
; c0 F+ H. S. p5 T <statement sequence2>;0 t# o, C1 T% Q5 y" Q0 q
...7 p. \9 r! `, D4 V$ D
else
5 ?9 y8 A" O. {* j! \4 S <statement sequence3>;8 {" z4 g7 y+ v$ b
end;1 t* Q9 E! c& | U+ S4 s" ~
$ d/ L$ m' |- y. q% b3 Q; _; E2循环语句
6 R+ E; ]' x/ i0 H" i (1) from <statement sequence1>, R `( D$ `9 f' r9 w7 f8 r
until <condition> loop" G. B( ]* A( @2 b" _
<statement sequence2>;! m, k9 n1 H& ~7 W
end;
5 ]5 L# z9 h* k9 U5 P0 z (2) while <condition> loop
) @) Z. b u# K' r7 k8 u <statement sequence1>;3 X' S+ }; @* s) |
end;
% V* |" q9 b8 E+ q7 m/ \ (3) repeat
3 S0 t4 L& I, w+ w* k; o <statement sequence1>;
" A, c: t8 C; u! p$ |: [, ]# w until <condition>;$ {2 l6 B% I8 t. r0 I
(4) for <condition> to <condition> loop
. ~4 [' W e' @; C5 c. S <statement sequence1>;
% h2 @! x# a+ G3 O$ s next;7 y8 M* W! s; Y" d. ?7 M
3中断语句
6 {9 y) {! ~6 E2 C6 V9 _ waituntil <condition> prio <integer expression>;$ U5 c/ O0 E3 v4 {7 V2 n' `" V, R
. R; B# _+ D& V2 _& C7 F
9 S* ?' M V! Y* B" [以上为常用的函数！, Y& M% e1 S% _+ N7 C& y
还有很多，如有需要我把资料发到你邮箱里
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