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发表于 2012-11-13 08:48:12
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1判断语句
, i4 W+ J! m8 ~% q4 J! g/ V if <condition> then+ s$ `2 w! l, s' x. x
<statement sequence1>;9 o2 k0 _5 a5 |: T0 [
elseif <condition> then
* `" M1 H. s. q+ Y- R- ?) a: | <statement sequence2>;- V1 J, q/ W) ^8 u0 k8 H' i) g
else
5 h; ]1 {# x3 ^ <statement sequence3>;
0 A% I# F' T" h end;' q, }) K# K* }8 C8 z. {! n. i
如果分支比较多，用：, V h7 a' ]# j% c2 B- l+ G" m2 a
inspect <expression>* x+ N. w$ G9 }1 Q i
when <constant_list> then6 E9 C9 ?+ T. |: r
<statement sequence1>;
. i" M3 A' b$ D- l2 H) F" U5 C" V when <constant_list> then
" F6 a8 L4 z4 n8 @ <statement sequence2>;- V" n* a' [3 K8 c& T( K6 l
...7 P6 \; ^8 O% _3 F! i, S
else
9 |/ g1 J1 Y) ~# Q, C <statement sequence3>;
! Q( p1 U, G _end;
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) f- o0 O4 m5 u* }1 ~2循环语句
1 @. F% P' z+ z. v0 h, Q (1) from <statement sequence1>
5 f7 Z1 T4 ~4 D until <condition> loop) u# A V8 B# \8 d* U
<statement sequence2>;7 G" t+ Y4 g$ @+ v) D
end;
1 q# p4 L; B5 @( x5 g: T6 S (2) while <condition> loop
0 E! b, H9 j0 k3 N <statement sequence1>;
, l( }: G- {9 h end;
" |7 z$ m4 S8 Z9 n/ G (3) repeat
g" d4 j. C+ u3 v3 q; r <statement sequence1>;2 C: R1 s1 A t T$ [3 {
until <condition>;
) L' a6 \" j9 u, ?% g. W3 c6 ~ (4) for <condition> to <condition> loop
" W O- i8 ^6 {& D0 D <statement sequence1>;6 p* K. H4 u+ q2 [# V" c1 [$ Y6 f
next;" P3 Q" Q- [8 ~1 \. O
3中断语句
% d0 h. n7 x# Y& H8 G2 R waituntil <condition> prio <integer expression>;2 n1 ~8 y1 M2 a7 J
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以上为常用的函数！
1 s1 e. k& X7 m( ~还有很多，如有需要我把资料发到你邮箱里 / g A* C, X4 ^
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