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发表于 2012-11-13 08:48:12
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1判断语句% a3 e4 {: [$ u5 i# S
if <condition> then3 k1 j O. n0 \# Z i& u% L$ M2 A
<statement sequence1>;
( e4 _, c, R( L elseif <condition> then% R: w/ a2 C" y* M5 g: s9 E1 h# o s
<statement sequence2>;
/ v2 |4 q& U. A else * |7 I: f# o( X _
<statement sequence3>;& I' ^- c9 s W4 o) e( D1 ?
end;
9 O5 i j2 Z/ q6 t! Q如果分支比较多，用：
' p3 f& o5 T& Q8 T inspect <expression>1 ?0 F% j1 ^: \8 t0 A# g; p
when <constant_list> then
% l! S8 h! c; z* I7 I <statement sequence1>;
" p4 B1 u5 {/ c! e# A- `3 t when <constant_list> then
) o9 {' m+ _% e. K <statement sequence2>;
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else
& k9 N# c# G; g; G+ H <statement sequence3>;
/ m6 }! b) x7 B$ n9 o/ qend;
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% i2 x' }' M. X+ T1 I1 J2循环语句3 K o! E* I4 S' E6 h
(1) from <statement sequence1>
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( L6 O9 d, Z! r; O+ J7 V+ c) x <statement sequence2>;" O: Y. U1 d' N. ~2 |
end;4 p! o5 M9 E( P) q* E
(2) while <condition> loop
1 Z: c, ^ U- m* M1 U" e <statement sequence1>;
0 y# f+ W5 A D) u end;
7 m, [% B8 y8 F% U6 ~2 ? (3) repeat
5 [5 u$ w4 _- w <statement sequence1>;
$ G1 V1 s% R$ E! b% j until <condition>;
. e" `6 P; p5 Z( t" Z( g j' j (4) for <condition> to <condition> loop
9 r+ s1 y( \# ?% H <statement sequence1>;* _2 Y" t. K c+ S, G/ B o
next;' O6 O% h; y" W1 M2 i
3中断语句) `% z u/ h8 M2 @0 M
waituntil <condition> prio <integer expression>;
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以上为常用的函数！& P$ q9 S. ^3 p4 N
还有很多，如有需要我把资料发到你邮箱里
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