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发表于 2012-11-13 08:48:12
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1判断语句% o/ I# I* a0 ]) v# Y2 ]: C5 z
if <condition> then' Z* b+ F4 H3 |" ^& Y
<statement sequence1>;
4 L2 A: }2 l' U# s' n. _$ u. e elseif <condition> then3 E" w+ Q( h$ T+ b7 E
<statement sequence2>;
$ n: r& h) ]" O O5 n3 d( e1 C" H9 I1 G3 a else - S) {0 v: M$ J5 m9 ?
<statement sequence3>;
2 Z' ^- ^$ T. d* e end;
2 e* W) B2 p+ K* ~/ ^如果分支比较多，用：+ F0 k2 ~& Z- o* g( L4 d
inspect <expression>, q+ a: A/ Z& h- w9 X0 @3 z
when <constant_list> then* a5 e/ s/ _% _9 U$ F _
<statement sequence1>;- e* Q, y( e) m9 ?
when <constant_list> then3 b/ E3 m% q4 D. v3 B# g0 {! a/ K/ Z
<statement sequence2>;$ L# [: F2 p6 S1 {
..., B1 V/ R- V- G" t5 u2 \ L) }
else: v( B9 q& ?; Q6 I4 K
<statement sequence3>;
1 O0 s( X6 s, m( O, H3 e: rend;
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# w% `2 ~6 g- v4 K( ]2循环语句4 o& S, D5 D% I, E5 A
(1) from <statement sequence1>
0 k. E4 w! P/ I _% F until <condition> loop
/ k8 d, ~* i2 B. J7 Y <statement sequence2>;
6 U3 Z" H/ d/ a end;7 W) V5 J( F, W; s1 j1 b
(2) while <condition> loop
- u2 L# Q0 F) g' ]4 I- @6 { <statement sequence1>;: o( O! R& l3 y9 s
end;$ u# k( u; u, g4 i8 d4 O8 H' k
(3) repeat
+ P# V u- B; @! ~3 x0 I) a$ R <statement sequence1>;
* T3 b! C/ J/ ~& V5 J z" p until <condition>;/ B7 w* t9 b! d/ V& Q3 t/ [
(4) for <condition> to <condition> loop& n' }1 N, K- U/ j4 f
<statement sequence1>;
- c9 d% z$ J. ~: p: n next;
6 y# O- G9 m6 q" f, w! {9 L3中断语句, s- L% C! K& j/ t) y
waituntil <condition> prio <integer expression>;0 _! J I4 f: q/ y( M" F
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) N f S( d) z3 }. {& N以上为常用的函数！
. {$ t+ Z" W5 ]$ @+ V还有很多，如有需要我把资料发到你邮箱里 Y# m$ K% L6 |$ S6 z: z; T1 D
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