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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句8 J* k7 y; D$ A, F8 z+ d( S
if <condition> then
5 |: D/ I% @' k, o* [ <statement sequence1>;& ^+ Q. B8 P7 F6 }$ g) u
elseif <condition> then$ T0 ^2 q0 n. `) R8 Z5 _
<statement sequence2>;
5 c: G/ H9 ] f9 E k* ^ else
; S% q0 ]! z0 b4 l1 ?7 I <statement sequence3>;
9 ^- |2 C" t+ ^2 F' g end;
! d6 \# s: r/ [* k- k9 }( y h如果分支比较多,用:. J8 k" Q& b* l; T
inspect <expression>' T( Z7 q( n' J- {* x/ r1 ?% G
when <constant_list> then9 f7 M4 ]4 r" N; Z+ B
<statement sequence1>;
3 C* R* }/ z' d when <constant_list> then
5 x3 _, w+ ~* g <statement sequence2>; g) w$ `( ^, \9 N
...
. x7 M$ J- {2 e8 X else
6 ^+ d' ?( E- g- r1 v <statement sequence3>;
2 y$ P: R2 }2 E6 Vend;- e( B9 d" m( s5 ]! T
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2循环语句
6 J/ n# V: a3 C. @ r( o. C (1) from <statement sequence1>
, }- Y4 s; }# d2 {5 } until <condition> loop
- l5 X* `. D5 J4 B3 ?$ [- ] <statement sequence2>;
( Y% J( q# v+ I end;
7 L" u( e+ F! u+ [, Q9 w0 X (2) while <condition> loop ^2 \9 k' `3 ?9 |
<statement sequence1>;
8 o. U- A3 U! C# Z end;8 K# O, C4 B( m2 d8 k4 H
(3) repeat
; k- K. C- \- G <statement sequence1>;
* Z/ m* u+ |9 W" ~# n until <condition>;$ `+ U7 k, E1 _7 Q6 x- ?: ~
(4) for <condition> to <condition> loop
9 {1 t6 F7 O3 f% ?1 C <statement sequence1>;5 o- o7 A+ {; w$ R1 T
next;
9 [* A2 `1 v u+ M/ M S3中断语句; y0 Z* g: L V
waituntil <condition> prio <integer expression>;1 T; m9 }4 l; D7 _
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以上为常用的函数!
; a- ~5 q& w5 h3 I' l8 U还有很多,如有需要我把资料发到你邮箱里
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