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发表于 2012-11-13 08:48:12
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1判断语句- l, l1 f- e& H& Z! O
if <condition> then
?4 j$ o# |6 j0 Y: [3 r; t <statement sequence1>;' T4 M% _& M- j$ _8 s
elseif <condition> then* g, z/ R( I: \4 s
<statement sequence2>;2 J6 r& A0 S% k1 v/ v
else ; g( u( ^( M9 p! O* Q- Q q
<statement sequence3>;
2 k Q5 U, y. K$ o$ E; l! H end;
d* h' D# B* z5 N( p- G# Y如果分支比较多，用：5 ]7 v2 s) K8 \$ e7 g( }. r# Y
inspect <expression>2 i, L f d( U9 U
when <constant_list> then
& p( k* ~" U) x% N1 b <statement sequence1>;4 @9 O6 G& m8 n/ z! }6 D# h
when <constant_list> then+ L/ o- n. f t5 f' R% L2 A
<statement sequence2>;
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else
2 I( ~; J; G5 j$ ^ <statement sequence3>;7 `5 L2 P1 H2 ?/ g: N
end;
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% \5 y/ X O2 z4 ^0 A2循环语句
z: f! b8 p4 M6 `& @) L8 j (1) from <statement sequence1>
8 S- T8 [3 J6 [ until <condition> loop
& d/ q: x4 f1 v% p- R1 y <statement sequence2>;
5 _$ w; [6 ^) V. ?; ?3 B end;- `) ~% j& n* R( Z
(2) while <condition> loop
- k. @" x; ?. |+ c4 E <statement sequence1>;
" j& [6 `+ b$ M/ \ end;/ a% F8 p8 z, w
(3) repeat
( i$ y, v2 f+ L3 T <statement sequence1>;8 S8 t e1 G9 |4 k8 _# `- d: t
until <condition>;
% Q" o, p$ Y$ ]" t1 E (4) for <condition> to <condition> loop4 L( P, c+ _7 h9 Q$ j& y
<statement sequence1>;, O% r1 m3 a3 Q$ b/ S
next;) t. g. Q! T3 p" _2 }
3中断语句
# I" k7 Z( e. W2 j2 p6 i5 g waituntil <condition> prio <integer expression>;
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以上为常用的函数！
3 c k6 B) Z7 f" _还有很多，如有需要我把资料发到你邮箱里
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