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发表于 2012-11-13 08:48:12
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1判断语句
# w& f7 J: Q$ P9 j+ a if <condition> then0 u2 ?& B% g6 g: s2 X# `3 ~) d: Q
<statement sequence1>;
, t9 \6 ~+ P2 C elseif <condition> then; p, h( G) o G
<statement sequence2>;0 S4 L2 P- [( Z" V
else % |+ x! U2 P! ~" B
<statement sequence3>;
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如果分支比较多，用：2 f: A$ t# B! Z3 K! I3 z! Q9 f
inspect <expression># |# T* u. z6 b- D: r4 i
when <constant_list> then
6 |! }1 L4 U$ _5 S7 S$ H3 a: c. J- i <statement sequence1>;
/ b3 Q$ J, `, M" o8 y# d0 d when <constant_list> then7 l: d/ k- W: O: J( H ^! e
<statement sequence2>; T* E! Z7 Y4 u5 d
...0 ]" {6 i5 C, d" Z2 }
else) C% A7 a& [, H9 w
<statement sequence3>;! E; a E$ a' o+ x
end;
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5 D# c% T" f" n0 J0 o( [" k2循环语句
( R( Z7 {+ q2 b5 f8 O# T: z (1) from <statement sequence1>
. _; t0 ` y( j% \. y8 S until <condition> loop0 `+ N7 ?- m4 z4 k
<statement sequence2>;; [2 C8 T% t! l$ ]% z |
end;
- `, Z9 \8 |- O7 C% Z (2) while <condition> loop- a3 _* G1 V$ C3 B* D( P' Q
<statement sequence1>;' E, k# `& n5 j1 }/ r. e# a
end;# e5 ]8 U2 S( m" E$ q9 V
(3) repeat 1 A8 l* i/ `9 S8 S- ^% z
<statement sequence1>;4 B4 ~8 e/ F3 N; C* p
until <condition>;
9 U" M- }* O! ^; I- Z2 E$ F" k" ] (4) for <condition> to <condition> loop
2 ?0 r {* d0 l( p+ _- j! Z <statement sequence1>;
: B/ m F2 f ^$ G next;: M7 ~7 s# E# {
3中断语句0 ]* ^) I" s3 B' @/ Q+ |$ X: U t
waituntil <condition> prio <integer expression>;( Q' Q1 f, }, H& j; Q2 O: a( w
8 Z* ^1 t# z3 _: j9 t
$ W; P L# ]$ P5 |$ b3 E以上为常用的函数！
: {2 G8 C, t6 S" y还有很多，如有需要我把资料发到你邮箱里
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