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发表于 2012-11-13 08:48:12
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1判断语句! p0 J) ~0 F; T) m4 N8 `- K
if <condition> then
9 _7 ]# u+ x/ `& j' U* B" Z p( a <statement sequence1>;
6 U6 \6 X3 n6 _; c elseif <condition> then
: E' S/ l8 k# o/ m/ _) e, t) D# Z <statement sequence2>;
0 p( R. Z" A n else - @8 {8 O4 R2 |8 R
<statement sequence3>;
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如果分支比较多，用：+ `5 [6 V+ k, e8 W# ~
inspect <expression>
4 B; U+ o# \: w5 | b when <constant_list> then" P/ u" b& Y# F0 F0 U
<statement sequence1>;
% j, ^/ |, q3 Z( y when <constant_list> then
' M7 J7 }7 G7 E* ^6 F <statement sequence2>;
8 v0 b1 k. E4 O6 E/ t' e ...
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<statement sequence3>;- `& A. R+ L; l# R. s
end;0 x. f' T7 W& f+ s) }) N
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2循环语句( l, ^: j. ]3 C
(1) from <statement sequence1>& p, z% A8 @. X% w2 s
until <condition> loop3 h4 n+ v+ a2 V8 K
<statement sequence2>;* z0 s8 C& k5 p, x, N5 m5 [6 c
end;
& {, c% t* i8 U) [& ~) c' g (2) while <condition> loop. G" E$ ^& V h. Y {# N
<statement sequence1>;
5 n6 X0 D3 U' `3 w end;2 ~! H" `8 F1 o& U
(3) repeat ; @' L1 j5 d. R% p7 ^8 T/ ~
<statement sequence1>;
7 H0 b: p$ `9 Q8 |- Q/ w+ } until <condition>;
4 ^9 N7 H8 h2 v; v! {$ w; x (4) for <condition> to <condition> loop+ d: y4 [+ G4 g+ C
<statement sequence1>;% S/ P: E3 ~6 M4 M+ A- m2 l9 }
next;2 R- D7 ]1 v, i4 A/ x7 ]+ E) h
3中断语句" w0 O4 `' q' G y9 U7 g
waituntil <condition> prio <integer expression>; n9 I. t, z" Q6 j) K7 L) z) i5 g- s1 r
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$ s# k/ r2 E8 E% a* r以上为常用的函数！# r" ~5 x% e8 K; N: K; L% Q& `. W
还有很多，如有需要我把资料发到你邮箱里
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