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发表于 2012-11-13 08:48:12
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1判断语句/ {: `% D& m, @4 N
if <condition> then7 D. o! n( v, C/ }2 ~5 D. z, c
<statement sequence1>;
+ f2 g- F' P9 H elseif <condition> then& a: z" F2 J5 ?4 k0 u2 w) |# ?$ }
<statement sequence2>;% m4 @; @) E" F G `0 D; l
else $ B; H- M9 d8 o+ j, v( v, }
<statement sequence3>;0 T p B" |/ o" u+ n1 c/ a
end;% ~. r% q8 t/ B2 z% j
如果分支比较多，用：
2 Y6 P8 t9 E7 d. ~0 [+ s& P$ ] inspect <expression>) t/ W7 f; R2 i4 H! X
when <constant_list> then- Q6 Z* v5 O6 B: W3 B
<statement sequence1>;
0 _$ a# J$ a3 V! F when <constant_list> then7 h, a* d) r& X
<statement sequence2>;
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else5 `" `+ @% J5 f h$ {1 p [
<statement sequence3>;2 f5 P' M# h& u' G+ T& i2 ~1 d
end;/ v+ n# c4 ~/ b$ B- }2 u% O8 M
% C" ~1 K9 d5 J/ G# V2循环语句7 N( }+ R4 g; }, y5 u
(1) from <statement sequence1>/ V: J9 j- x* r5 K. k6 Q5 E' V
until <condition> loop6 V) t: p2 l( J! ]6 t* t
<statement sequence2>;4 v9 g* y x' t" N) d+ H; t
end;" }) P; z; H4 Z$ j0 c# l7 D- B
(2) while <condition> loop
- B6 J- b& m2 Z& n# N/ @ <statement sequence1>;
. F# ^$ [& Y' R) ^2 @- b end;
& g3 R! l* B% d. O m- k+ }) i (3) repeat ( m O) f% g. {! b% d4 Q
<statement sequence1>;
4 ]& \: Q9 c+ ]2 }; h until <condition>;0 ^) s. V% V$ v# c" d
(4) for <condition> to <condition> loop
4 l. V; I5 O6 {! s <statement sequence1>;
0 M% G. Z. ]4 o) d; G next;2 t l: J( E7 H. k
3中断语句
. D5 Y2 Q! V: ~1 j7 e' {5 d0 e waituntil <condition> prio <integer expression>;
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6 V. X9 _4 S- A& Q
5 w* L: u" w6 _ L& p* ?, [以上为常用的函数！% D4 S& R' R2 w+ y" M+ ]6 U: T
还有很多，如有需要我把资料发到你邮箱里
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