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发表于 2012-11-13 08:48:12
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1判断语句
) I1 d9 W- \8 U7 h; T if <condition> then
4 K& K( ~4 v' {5 J$ S <statement sequence1>;1 \. e6 R5 V: x- {& x6 e: }
elseif <condition> then5 b, R- Q& Z( g( C T C
<statement sequence2>;
3 z1 e" w8 ^; f F/ ^ else
2 s, d% {7 H5 E, w% z: g6 s q <statement sequence3>;
/ k/ P+ M _. T& R end;
( M( g$ }" B0 j% z) A如果分支比较多，用：, A2 ]4 _5 `. ]% Q9 M) U# u
inspect <expression>
. Y: ^) Z" p" o8 B# F when <constant_list> then
/ t/ ? l$ e r* k/ Y& [ <statement sequence1>;* }, g7 {6 D+ L4 ?6 R6 o0 x6 l
when <constant_list> then
5 Y! y7 e6 U* D5 g: y/ k <statement sequence2>;
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else
9 m5 L* E. }) Q2 ]; K8 O <statement sequence3>;
, t$ _3 a. h2 V1 Z, P. |end;
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2循环语句
1 U# T) J$ |1 @ (1) from <statement sequence1>
D9 j% V; v8 S% Q9 ]+ s until <condition> loop* _: d+ s# K1 p6 T
<statement sequence2>;! [* n# u/ k& |, q" @. R
end;
2 f- f! H8 o3 z7 ^" D5 p (2) while <condition> loop
: C' i* B& y2 q' T <statement sequence1>;6 T& G) m; ]# U& _4 m$ ?
end;
) `( e4 {# z5 E7 J( J; J (3) repeat / _7 N l% A I+ B
<statement sequence1>;
1 a6 q/ c& `9 q- ^2 m( C& i until <condition>;
* t* n2 c, H6 s+ Q) s3 _2 b0 N (4) for <condition> to <condition> loop$ I. V b4 F# u
<statement sequence1>;- w1 Y6 u s/ }8 f- O% q
next;
! f0 `# ?5 z6 h5 Z! E3 K; d3中断语句
" M6 e% j# g+ q3 v, L waituntil <condition> prio <integer expression>;
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F, c, C8 E" {# d
以上为常用的函数！4 e: g- ]2 v+ s6 O
还有很多，如有需要我把资料发到你邮箱里
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