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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
) l# z t* \, t- h if <condition> then
$ O- W; d; P! }7 d2 P6 b <statement sequence1>;
$ g- w( Q/ i2 ~; z elseif <condition> then
6 A$ O/ } F: F6 g <statement sequence2>;
- n. ^. n8 } q3 w else
3 K }1 M5 L, A# w1 y' }( g <statement sequence3>;
% M, \1 S( W! @3 h% z3 y) g end;2 O5 d$ \- D3 @! @1 i
如果分支比较多，用：- p8 }3 G5 I! Y
inspect <expression>0 C2 h; j! K4 s- Z, r4 I0 x5 L1 v
when <constant_list> then4 {6 H6 h! Z# f9 G2 O3 ]
<statement sequence1>;
3 B# J8 r6 l) C% Z, q% @* Y9 j when <constant_list> then& j5 E+ _4 y! ^" [4 N1 M/ L/ |
<statement sequence2>;6 `! d5 V* w2 X6 D
...1 y* E1 g, N& b T* h$ L& R) t; m
else
9 D/ x2 I. i+ r5 c K5 q <statement sequence3>;) \0 E. N+ B/ a, I/ G5 _7 X" t4 X
end;
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2循环语句
7 `5 ?, M" o% _& {* X (1) from <statement sequence1>
5 T1 a* b, U' S: _0 R @. n until <condition> loop
$ j% m o# Q3 h* y" ^ <statement sequence2>;1 I( O* b! w% A6 J
end;
+ t: F2 @2 @- o5 { (2) while <condition> loop0 B7 m! W5 P% X: b
<statement sequence1>;5 u+ A' ]' _: t! v7 {
end;
7 V/ T! N4 ]; V- U, B (3) repeat ) c) S. Y' d) r2 M. [+ A. }
<statement sequence1>;; u# ~& m: y$ w: y1 U
until <condition>;4 @# Y6 A6 u& B! s- S
(4) for <condition> to <condition> loop
0 I& i( r2 l% H+ D+ E% Q; u& Z <statement sequence1>;
7 N# t% w& B9 I g g: M next;
, c. ]- w7 ?( Q g/ I3中断语句
# [" B& @( j2 K8 q6 l0 q; p& K waituntil <condition> prio <integer expression>;
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# T/ }) {9 O! M1 \8 i( x
以上为常用的函数！ ?! r. ]* s( W0 e3 w" e- U
还有很多，如有需要我把资料发到你邮箱里
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