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发表于 2012-11-13 08:48:12
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1判断语句- V0 d7 W- T0 b) n0 C, |9 V+ [. D
if <condition> then9 t0 R. E# B' d# _6 T7 @5 Q0 K/ c
<statement sequence1>;; Z7 t+ B1 ? [9 T5 `
elseif <condition> then
- }- L$ V* v' k) P! d" \ <statement sequence2>;: u8 ]8 s# W5 G
else
, ]/ A" T- x. t <statement sequence3>;* _" W" D: ]. ~; A- T
end;, W/ M* w$ c4 o, T
如果分支比较多，用：
5 J, W. i: S) | inspect <expression>8 k5 ]# R+ A1 V5 H( w
when <constant_list> then n8 ^1 a5 s9 u( Z2 j5 |7 W
<statement sequence1>;9 p3 y9 w$ s/ q% Y6 o2 H
when <constant_list> then% B: r+ {4 G& g; k6 S% T
<statement sequence2>;2 n; e' S3 M$ D+ W9 V% h$ y! F0 e
.../ N9 v4 Q1 q4 g. ]! i
else
z; i2 \- p2 Z4 M3 f <statement sequence3>;; w- x2 [8 \' H1 `0 w
end;1 h! ~8 o' r3 b5 G+ Z* O
& q8 z0 V' x( M2 L8 T" O N2循环语句- O; `- }; K$ t9 I7 @% H
(1) from <statement sequence1>9 e" p5 \6 v( I! ]; q4 d$ |4 H
until <condition> loop. _& z2 q# q. ^4 ~6 B/ B% T
<statement sequence2>;
' h' b" e3 g* l7 Q, t( n end;7 X; `( |* i. ]% i/ u
(2) while <condition> loop7 D" v4 y; x- E& F: B
<statement sequence1>;
& U( V- z* ^& N7 N& a( k end;: i7 z% M# U7 K5 r
(3) repeat
$ H2 Z G; y- U7 n! t <statement sequence1>;* C0 _ d- k2 b9 u+ u3 G- k p
until <condition>;; o: s% J. I1 r$ F9 o$ e
(4) for <condition> to <condition> loop! j2 v; ~; Z$ `( ^# n) M8 m+ V* |
<statement sequence1>;
( ?& |. W) X3 X3 z1 z( S! T next;
0 Z9 S. j# _) E3中断语句4 P, G2 ?1 U% F E7 ?: h
waituntil <condition> prio <integer expression>;
' f' q- @, c9 }& ]# H+ x1 T( |0 `5 u, H5 ]8 ]1 t
% o: [$ F9 O$ `5 o" I+ E以上为常用的函数！. A% F" Z# Z5 d6 F
还有很多，如有需要我把资料发到你邮箱里
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