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发表于 2012-11-13 08:48:12
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1判断语句- G# }. Q" [" R; L& P( r
if <condition> then
4 V; ~% J2 l2 N. I <statement sequence1>;/ Z" e& t3 S, S5 T8 b
elseif <condition> then
, j+ n8 ^. d( ? V$ ? <statement sequence2>;+ h4 c; D) m% J7 u, \
else 9 O$ B1 a* p3 [5 @; ~+ G
<statement sequence3>;$ ~- _! z" G: O4 d0 u5 H( K
end;
8 i0 C4 r/ F0 ^: O( f如果分支比较多，用：' g) u4 ?2 J3 @+ F. w
inspect <expression>! [: N+ t* Z6 b2 A) Z
when <constant_list> then( i! U8 ?6 v: a/ T
<statement sequence1>;* u5 f* ]! B- K, N
when <constant_list> then& t" ~- T5 g8 e% I
<statement sequence2>;- l% ^2 i; S$ B, M' g8 { R
...$ a' }+ E# g$ \& K
else
! @0 ? Z, ~- z6 N. i1 ~& g <statement sequence3>;& @: _" P% Y" ~/ ?2 s
end;6 h8 v' W. j: T* H/ l" c
3 @# x) L' |. j- f+ ^3 B3 n( {2循环语句
" b$ w! {3 G1 b (1) from <statement sequence1>9 Q" [# m' K3 ?6 u: P2 n
until <condition> loop
6 S) [# ~; V' D o. f <statement sequence2>;
% Y8 S- p3 b0 A( Y! z, Q) \# S7 s end;
$ w; O+ S) C# s: U( G (2) while <condition> loop& ~; ^3 w- L# r# Q
<statement sequence1>;
1 p- G3 S8 ]) g; N& N! m end;
) D! ^! m8 ~" } (3) repeat - `5 g& u. [' F" `* ~* a
<statement sequence1>;
: }3 I+ t* Y! y$ E. E) } until <condition>;. T+ p8 O$ z6 p+ D1 M/ U
(4) for <condition> to <condition> loop2 ~9 V& m2 d* ?6 b& j+ s
<statement sequence1>;
0 v: L* [8 v3 @) N4 I) ~ next;# j8 S+ n1 R3 x/ L
3中断语句; M8 L& S0 e" J" c
waituntil <condition> prio <integer expression>;- X# H* X5 b4 C# l) A
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以上为常用的函数！
9 Z6 ~: W" A8 J. x7 N2 ?& _; K! s还有很多，如有需要我把资料发到你邮箱里
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