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发表于 2012-11-13 08:48:12
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1判断语句6 r2 X2 X( Q* x$ d c' Q
if <condition> then* R7 M3 s. e: c. L
<statement sequence1>;6 p5 x+ v$ `) b8 k* k
elseif <condition> then
5 k) X3 A$ c( v, [ <statement sequence2>;
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<statement sequence3>;5 Q9 ]; J$ E3 e/ n+ s- s
end;7 a5 L% v4 T( O6 L
如果分支比较多，用：
+ A: d" U2 i) G9 X inspect <expression>
* p2 ]5 x9 \- x3 D when <constant_list> then' N j, X. @1 w6 |
<statement sequence1>;2 b- d/ ^4 [4 {1 l; D
when <constant_list> then
! W# k0 n' p( }% A4 v <statement sequence2>;
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else
- ^5 ?3 T0 r4 o# F5 X3 o <statement sequence3>;% |$ W# h$ y U' g& t/ m4 f
end;
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2循环语句: R( H; P+ W( K* U+ C
(1) from <statement sequence1>
- U9 t+ D2 W! n6 x# }1 u until <condition> loop
$ C0 O# {8 ]/ ? c0 p <statement sequence2>;
% V; w$ i0 F/ _8 Q end;
1 d, p* A% g8 d, a4 G0 K3 M (2) while <condition> loop8 y4 q' O) S6 G9 \/ n! ]8 x
<statement sequence1>;8 F# L9 f7 u6 C
end;5 v" q" I/ s' j) c5 s' N
(3) repeat
3 }4 a; h C; B6 H <statement sequence1>;
% A( }$ Z6 M. n5 ~ until <condition>;
5 g# C$ a8 E, D. [6 N. q: [- s! { (4) for <condition> to <condition> loop
& t' L* h* B6 K5 k' q4 J+ X$ L <statement sequence1>;5 Y% e2 i" f! k
next;. s! ^/ l- h" h) S3 y. B
3中断语句7 T) K! j7 N5 u. H x& G/ ~
waituntil <condition> prio <integer expression>;
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& K$ O" h4 X8 s; `9 ]- C7 p \+ G以上为常用的函数！( M; j+ O4 y# [
还有很多，如有需要我把资料发到你邮箱里
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