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发表于 2012-11-13 08:48:12
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1判断语句* z$ Q, V" W' s3 J! \& O6 e- s
if <condition> then4 s7 }9 [9 p" z2 L/ \1 r/ {
<statement sequence1>;
. j) M9 i' J3 A5 b0 C elseif <condition> then: n$ v* K5 {+ e; c2 Q ?( D
<statement sequence2>;2 U/ d b2 L6 k$ k4 L: x( y
else " C+ B# M0 \) }) u+ j% G3 x
<statement sequence3>;
; w8 o/ K0 O" D5 j$ c1 _ end;8 u. |. m/ g+ s2 T3 C- g
如果分支比较多，用：) S8 p' Y" [8 j3 }6 _
inspect <expression>; A) n' D* ~0 _
when <constant_list> then
8 P* j$ e1 `$ B3 y" `- q9 W <statement sequence1>;) J, u: Q* u, h4 @2 g: `1 m7 C6 l
when <constant_list> then
8 K, X; r2 a7 v- O4 n <statement sequence2>;/ \+ b% D2 _4 g Y
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else$ y0 X& O+ H7 G
<statement sequence3>;
. O i* ?+ N1 w6 Oend;
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% p2 a5 N4 q/ e& X* n/ N H$ m3 V2循环语句
; x0 D5 A0 M/ C! ~# g (1) from <statement sequence1>
+ U. E7 Q3 ?/ S& H4 I6 y$ j, l until <condition> loop5 w: q( q# f7 [! q5 B. C
<statement sequence2>;
! \+ K) W* W/ s6 C5 B) L end;2 Z# ]- w0 A$ G
(2) while <condition> loop Q4 S8 [1 q. ^' L' F
<statement sequence1>;
, u8 `0 Y& }1 l3 V6 t end;
8 g4 E% j$ E J# f" `: t9 D (3) repeat
+ @$ K0 ~: d9 \) v7 \ <statement sequence1>;
0 Y3 i5 x+ t# P6 A" } until <condition>;
. [& Z$ b5 q! f* p$ Z# h5 r (4) for <condition> to <condition> loop
2 n( L% {9 c( H- H K <statement sequence1>;
( \6 X5 i- Z9 Q/ Q. @7 l next;
3 R5 m' @6 W8 K) K% k8 I3中断语句
/ C7 Z1 l+ |: ]" Z( @' y waituntil <condition> prio <integer expression>;
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以上为常用的函数！
/ u: q$ `- a9 v" p# a还有很多，如有需要我把资料发到你邮箱里 ) {5 ^0 f( Q w0 ]( \8 Z) ?
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