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发表于 2012-11-13 08:48:12
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1判断语句2 I( O- s6 J7 g; v C
if <condition> then% f; I% l& K: f4 B# u: K, R, W) [
<statement sequence1>;) l, d: i5 J6 Z9 N9 Q$ R5 {: M
elseif <condition> then* S* ~) ^6 [. j) E* s
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：
; m6 w, j8 P: t' ]5 j4 S inspect <expression>, |9 f V+ w# I( B$ K. U5 Q- L
when <constant_list> then9 D! F' Y) M+ V( C' q2 Z' S/ T
<statement sequence1>;
, n; z- g* b2 @+ ~3 U when <constant_list> then
. P' p% ?! o' Q/ m <statement sequence2>;
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<statement sequence3>;7 f5 N8 {3 f/ j2 E
end;
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& o' Z: Q- U# U3 c, _& t$ q2循环语句 D1 b6 j, K3 K4 p' Q% s( c7 F+ |
(1) from <statement sequence1>% u# {* ?6 f& _ [; d' m' K; F# |
until <condition> loop
) l s7 @% u! c <statement sequence2>;
/ e. z' A. C( r) e! r {1 f4 y' f end;
0 g8 e2 H2 \5 d# Y- _ x* f (2) while <condition> loop4 P4 E8 Y! G( O/ x" P
<statement sequence1>;/ a! H: E2 u! f/ r! F3 d/ B1 }
end;
2 r* b7 I1 L3 |2 t9 s, |# O1 j8 G' e (3) repeat
2 @5 X d8 y+ F8 F1 U8 F <statement sequence1>;9 ]! w+ W9 h/ v
until <condition>;
# o: ?7 Q9 X; I (4) for <condition> to <condition> loop$ w2 C) ~( _ @+ j& ?, f E; d
<statement sequence1>;. \9 L' ?) M4 R* Q
next;- B) L6 e! G+ @! C K
3中断语句
0 ], U! | p' @4 O0 v* ~' F waituntil <condition> prio <integer expression>;
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以上为常用的函数！
3 V7 w& u5 m2 |还有很多，如有需要我把资料发到你邮箱里
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