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发表于 2012-11-13 08:48:12
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1判断语句
5 C8 G3 s6 J7 } if <condition> then
& z$ t' k& O& G# {3 P! d <statement sequence1>;" `7 x5 V& |1 P8 I% Q; H) s
elseif <condition> then. r5 Y4 M2 V' |7 d
<statement sequence2>;
3 y/ I" P6 z. j& K( p3 _ else ' Z4 ~% J7 `! I7 Z3 `* {
<statement sequence3>;- h) G6 k8 V$ U# A
end;
6 e2 _) c9 l+ M6 L% r+ A3 j如果分支比较多，用：
8 A( E1 h8 B+ r6 w. } inspect <expression>
0 }; G5 p3 h4 c; {. o8 j5 { when <constant_list> then1 B) J- H! _1 b* c% `1 b
<statement sequence1>;
4 @/ m! a3 U q w when <constant_list> then
1 c2 g8 ^3 t8 F' g! }5 b <statement sequence2>;5 O6 A A5 U* P- ~
...
* |. Z! }! E: g9 i else
6 k1 H2 |9 y; g) ~4 d <statement sequence3>;
4 B# v# J- i1 N+ R3 D6 Iend;$ E; [7 x, D' m
& N9 w M5 C* _# ?2循环语句+ @" f( ~/ j! ~- W
(1) from <statement sequence1>: j/ d9 y1 k' I! f. e" Y
until <condition> loop
) b3 r9 j6 y# k0 K <statement sequence2>;1 `* M* u; D* H& h
end; ~! q+ K2 T1 d& Y& a. {8 }
(2) while <condition> loop
. O/ T5 |' h$ O$ ~ D2 r <statement sequence1>;
7 {: S$ D0 i9 f/ R; @4 |5 p/ x end;% `0 n% @* K3 g7 E5 @7 `
(3) repeat 3 ?1 t; ~2 U2 m/ G; P( Q# ~
<statement sequence1>;+ `( ]: I. V$ Z! k
until <condition>;
H; V& B9 D. i! K (4) for <condition> to <condition> loop! C# ^/ ^- E* X$ i [
<statement sequence1>;
# K4 L+ c+ F; G, ]' h: L next;
7 B# G' Y k1 p$ d7 }3中断语句
8 Q( [! r7 |" u4 b3 V, X waituntil <condition> prio <integer expression>;! O( `8 L* {0 N' N2 t) ~: l
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. X: N2 E+ q4 @以上为常用的函数！
, q" j0 s7 X# J3 b# R还有很多，如有需要我把资料发到你邮箱里 # R: d6 w% X# b7 i- }# y
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