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发表于 2012-11-13 08:48:12
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1判断语句
5 i2 f: N" D: O3 G3 d- @ if <condition> then
( m) B( r& g8 ` <statement sequence1>;
: }6 ]* J) I h) ^ elseif <condition> then
. r3 H* _) [/ P# M0 X <statement sequence2>;* a% G! B. W, q+ y
else 4 [, `# m# I* W+ |/ Y1 C U
<statement sequence3>;
8 w# [+ t& `) y8 d- D& K end;' d' I; [6 j& F' _
如果分支比较多，用：
3 w% s' ? e0 e1 @; |8 B inspect <expression>
3 _2 x# l& v9 Q, [5 }- h# i0 k when <constant_list> then
4 [. s0 o! m# A; x <statement sequence1>;
$ D7 [9 H8 P7 q9 {5 r/ T when <constant_list> then
% q/ a8 Q8 E6 m <statement sequence2>;
" L' y3 @+ G, z/ s ...
w: W0 H! ^. T; p% H' L else
& i6 Z8 ^* P& [ <statement sequence3>;" C. W4 S+ d$ d- Q+ i7 v1 [
end;
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2循环语句
2 W; D% d7 m3 M9 [, l (1) from <statement sequence1>
! q/ u% W7 k/ |9 x until <condition> loop
8 Z f) T8 \4 _: q0 v <statement sequence2>;
/ ~1 V! V- U% N5 f- m- f end;2 C' @7 d5 X/ t7 c5 Q9 n6 `4 \/ f$ m% E
(2) while <condition> loop8 P1 K( Z( F5 P. e% B! F1 a
<statement sequence1>;
% j3 w$ V. [! X4 e0 J+ V! |- O9 b# W' L end;
" o5 {' Z" Y- [! ? (3) repeat
* } D/ u7 a3 Z6 W" N <statement sequence1>;
" e4 I4 |. W7 k6 ]) C$ J3 z until <condition>;
: w6 \5 W9 X' o (4) for <condition> to <condition> loop
% B t& @+ p) n$ z <statement sequence1>;) \) q, ]' Y; O3 H; s9 e
next;
, g; h& O* L% b- u) x- Y8 j3中断语句
/ S% b4 b& d& M1 ^* Q, s) M% e waituntil <condition> prio <integer expression>;
% D% u( P2 y& j5 M7 U. d$ V4 [0 M8 ?$ q
, ?4 K2 o3 ]* p以上为常用的函数！
^9 X1 Q4 z5 x* P+ a. k还有很多，如有需要我把资料发到你邮箱里
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