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发表于 2012-11-13 08:48:12
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1判断语句
- ^; ?2 q h, X7 D if <condition> then. r$ ]" X& W# L: ^# R
<statement sequence1>;! @3 z* z5 V5 W/ y3 P
elseif <condition> then" x$ I8 b6 L7 k8 K+ j
<statement sequence2>;6 K. W3 ?: M. Z8 W6 B
else : g# g- Y. J: V8 U* Y
<statement sequence3>; \+ Y, g! q& Q! Y" E# X
end;
9 A" t4 h2 a4 ?+ u如果分支比较多，用：
1 X7 j1 c: H8 c' B8 o2 o8 J inspect <expression>! F2 | R, D+ N
when <constant_list> then
4 |- I9 o W% j: C* s, y$ [ <statement sequence1>;3 i8 N5 d7 u9 g; u
when <constant_list> then
) d2 `, r0 [8 g1 }' Y, P$ { <statement sequence2>;
- v! Z' [# R: A; X/ D ...
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<statement sequence3>;
& u6 p5 n$ M8 u* N3 W. e: k+ oend;
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4 }: N3 A# _; B) A% b8 n2循环语句# I) V9 i5 q# \) q7 u% u
(1) from <statement sequence1>
! ?- j! p' T$ J4 T/ ^" _ w until <condition> loop$ j& M6 \# l# B2 r0 u: Z. C2 M/ t
<statement sequence2>;6 k$ T$ l4 t& z, \# {- s
end;
3 x8 ~0 n+ H1 O3 R (2) while <condition> loop
$ G: I; J' t* e <statement sequence1>;: c1 w: S# }; @0 x
end;
' t7 e2 V( J. L( ^( N% X (3) repeat
- n9 \$ V; \0 [, R' ? <statement sequence1>;
" I2 e4 o/ ^2 p/ J" n. O z until <condition>;* e9 {0 K1 v4 n% q: V
(4) for <condition> to <condition> loop0 }( b, T5 B" w% g
<statement sequence1>;
$ `! e+ j5 N6 W$ g+ ^, O next;) Z' |* b8 }' l- U) _: s0 Z
3中断语句 N( e/ D ~" F1 z0 f2 W
waituntil <condition> prio <integer expression>;4 G: g& E1 ~6 L4 i7 p, _
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* \: A3 d* o2 z( P `2 r以上为常用的函数！- O7 W' O, z" ` J: o
还有很多，如有需要我把资料发到你邮箱里 # q% ^; U4 W; m1 _( N
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