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发表于 2012-11-13 08:48:12
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1判断语句# M5 ~+ f8 V2 C M
if <condition> then
+ J8 |" e! u% N% c5 V6 l. H <statement sequence1>;
7 { n( p+ }/ z( w a* e elseif <condition> then2 c, `% a6 _7 _9 g
<statement sequence2>;
7 [ D, l1 v6 z2 @- x else
$ h# @: H2 @2 v <statement sequence3>;9 l: W8 f* T& C
end;
& h6 m) ]1 ]0 |: P' S8 p: g' s如果分支比较多，用：( T8 U* p$ t6 s% U) X6 V2 k
inspect <expression>
" A! P* x/ w% U) B d2 R" j when <constant_list> then6 B6 [1 a% F8 g& m6 k1 F/ b7 k0 j
<statement sequence1>;" W5 c, t/ h! I3 r; N! i1 J
when <constant_list> then. O5 u. @5 \) C0 K3 R( I q
<statement sequence2>;
# [# j4 m+ e5 J2 A8 {6 H+ F ...
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<statement sequence3>;& H- a6 @$ v" R' I, T! Q
end;( m' p4 [1 c% n
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2循环语句
+ }4 h+ z4 V- j8 D s8 `. I; m (1) from <statement sequence1>
! O, G9 D( ]" T( ?5 G: k, G2 H until <condition> loop2 _& \6 x# Q1 o3 u' P: V( f7 }4 a
<statement sequence2>;
/ A7 k$ u8 u5 R6 c4 d: n: J, { end;9 k9 p; j' j0 N# l: V
(2) while <condition> loop
, E8 W4 n9 a4 a* z4 `, O- S* R5 z <statement sequence1>;4 X- B& B5 e" }4 q/ I& c' v
end;
5 Y" c8 ?" W9 V$ G; \ (3) repeat
2 k; k9 ^+ Q; ~, P5 l& x) }; w <statement sequence1>;
2 I7 d, z9 H, _, h. K9 K until <condition>;7 ~# _" X* g/ `/ l9 W
(4) for <condition> to <condition> loop \, P, J) Y9 c
<statement sequence1>;
( [0 W L% g' n next;
( D3 S+ h# r2 v. x" l. b3中断语句& ^2 k! [: _1 R+ _ U8 [
waituntil <condition> prio <integer expression>;8 E$ q5 q T2 x! v/ A9 u
7 P& Z: Z2 N, P9 c5 E
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以上为常用的函数！
3 B$ V: s( E% N7 v0 y还有很多，如有需要我把资料发到你邮箱里 ' m/ t @- {, d8 @
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