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发表于 2012-11-13 08:48:12
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1判断语句1 y9 X1 M: `' X
if <condition> then' X9 D1 _8 O k2 D+ k' o
<statement sequence1>;
; d' F4 Y) n/ ]- l8 m$ Y8 c elseif <condition> then
8 j% B. E' j* l% ]/ o" s <statement sequence2>;
( \' x* }( O+ f3 C* A% U else & A/ Y: E# R2 H2 ~5 j0 a/ q$ ?
<statement sequence3>;
( C9 A2 ~& m) \4 v end;
7 t) X; v" Y1 a( Q' |5 V- \7 R如果分支比较多，用：. d/ t9 F3 G$ ]8 }4 p- R; Q
inspect <expression>! a+ o$ p$ a0 |
when <constant_list> then0 L# A: }- Q$ }& w6 O
<statement sequence1>;. B9 F8 X, s. d/ i
when <constant_list> then: l2 P& I- Q/ p! P, l$ Z
<statement sequence2>;/ g) ^! d! l% t4 d+ M% l
...
% [# ^. _5 t% j8 i9 u8 i+ E0 S else) M+ X8 Z3 r' f8 ?0 G' f' `
<statement sequence3>;; O2 H8 h9 o8 r4 C
end;& }4 K3 @' U; P- o6 v
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2循环语句
& u& E' {5 D8 P8 s6 r (1) from <statement sequence1># s9 P% J( h3 N7 ~2 [0 g
until <condition> loop! g8 [# N6 H# a+ O c' n
<statement sequence2>;
) i( {8 {9 m% B. n/ J5 y: _ end;
. e9 O& N+ a: c5 Q" M. A" [ (2) while <condition> loop( p& J5 \. j$ a" ?9 I% L
<statement sequence1>;5 Q. f6 l( J0 T5 g' T# V
end;3 N- E8 J) \8 z. r
(3) repeat , P- f, J+ T+ v; t5 q1 W
<statement sequence1>;" a, z- _. }8 F, {5 O2 s5 o5 Q
until <condition>;$ F! c% D' @$ S" i0 J' p$ Y8 m
(4) for <condition> to <condition> loop
) n* o) h1 v& z. f <statement sequence1>;) h! I$ V, H) d* `/ T @
next;# e, K' A( x, M5 l, Z
3中断语句
4 C( ~3 L7 m+ V6 g6 A$ D) z* x waituntil <condition> prio <integer expression>;
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以上为常用的函数！8 k- Z& G: n4 n# [
还有很多，如有需要我把资料发到你邮箱里 4 v; ^1 T0 @+ F0 S, U
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