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发表于 2012-11-13 08:48:12
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1判断语句/ z0 I3 T# Q! C" S- H( r% ~
if <condition> then- X9 u6 Z; e& w. _5 f) c K" O0 H% T
<statement sequence1>;
Z8 h1 M5 f" R. U( n% g5 _ elseif <condition> then! j3 f) Z" m, O
<statement sequence2>;' C- z7 r; P( f; J9 ~
else
8 ]0 Q4 E5 V! ^6 Z <statement sequence3>;; T( m8 M, K/ Q/ E$ X) Y
end;
) B0 j7 I) @! I( d9 g$ B0 O" _. Z如果分支比较多，用：5 y+ h. E' T" n: D: v' r
inspect <expression>
2 T) r% C. k' n$ c5 u1 Z9 ?8 E, F when <constant_list> then
e0 {# N' _* _4 K; y: i2 f2 E <statement sequence1>;
X a' A1 h9 o+ }4 p when <constant_list> then
+ F% Y* u9 X$ s* N7 J) E0 s- E& F <statement sequence2>;
% c5 e: [9 W7 ~: G! |9 ] ...
, P' H* i# y9 ^ else
1 J! f7 `+ C- B$ J, n; V2 ^ <statement sequence3>;) M* g- b, A" N
end;0 v5 B( R( Z4 s* d" \( S; M
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2循环语句3 z3 j' o3 n. V3 c9 a
(1) from <statement sequence1>! ]% {% o( R$ Y- |9 L8 Z! t! o( V- A
until <condition> loop2 y0 X6 @3 w$ F' I i2 q
<statement sequence2>;. @3 f3 t; v+ w6 y0 \0 ~4 E
end;! G( ? M% P7 m2 B8 _
(2) while <condition> loop
6 `4 S, u w) X( z& e u1 c; k8 ` <statement sequence1>;, ]( U8 q) @( y. j, @
end;- i8 z- h8 l- h# v z1 z* L, w( S- N
(3) repeat / D$ x' l$ O9 b9 d
<statement sequence1>;. F! ^; W( D+ `3 |
until <condition>;. e. M: H: b$ i2 U+ }, j
(4) for <condition> to <condition> loop
: X+ c& L @+ D6 {' n, `) L* A/ E <statement sequence1>;
9 u2 x7 @6 X+ v next;
6 L, O, P/ a; O) u3 p. t3中断语句
& D. l, b. S' M# _$ B3 y waituntil <condition> prio <integer expression>;9 ]$ O1 D) _: W9 s8 h( _
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以上为常用的函数！
5 [$ x9 w Q+ a5 z; Y' c还有很多，如有需要我把资料发到你邮箱里 # N2 t3 V; [/ c+ s( K9 n
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