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发表于 2012-11-13 08:48:12
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1判断语句
9 |) @5 n/ E( k: P if <condition> then
7 H0 o+ t( { x% e0 Y; J- o <statement sequence1>;" H8 }* h5 f- p7 t$ G
elseif <condition> then" c3 O- \/ }1 O/ t
<statement sequence2>;) U# C# r4 Y) Q
else $ Z* C9 l, h H9 `+ P9 J
<statement sequence3>;; @7 { T8 |0 F; z3 Z
end;
2 ~: e2 E/ h/ G+ I* k$ u如果分支比较多，用：
# x* O. e* j! T inspect <expression>) N& F7 I' A }; ?! Z! q
when <constant_list> then
8 f, h6 h$ i+ f5 `# a. a: s <statement sequence1>;
, y5 M! ^, g, E0 P( U4 b when <constant_list> then
. P2 y; G0 T& f6 S% J3 K" g <statement sequence2>;/ W0 R3 S& R2 h4 y
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else
. I6 Y% n1 b/ J, F <statement sequence3>;
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9 D+ G8 |6 P$ i% p/ K2循环语句
8 H4 u; I9 j% B! L) ]- l3 Y1 r (1) from <statement sequence1>
2 |% R& ?* ~7 [' y U- d; H until <condition> loop: R. t8 `& d, k
<statement sequence2>;
- S0 ]1 u8 t) Q" o( A. a end;: O' I# g! X7 ^4 Z9 ^' a0 t
(2) while <condition> loop
) o$ S U$ x# B# P) I6 }9 _1 Z <statement sequence1>;
, p5 r" i r- h- [ end;6 z' ?& ~! |" v' K# X
(3) repeat
- O9 K7 v, K/ A# f- b <statement sequence1>;
2 [3 _! u( a _5 l until <condition>;
4 ~( N* v8 n/ @8 @ (4) for <condition> to <condition> loop
6 t; d8 Q0 X9 ^; V v <statement sequence1>;! n: {3 X7 q5 T9 K
next;8 I, d$ `2 R3 A% k+ \5 B! y1 y u
3中断语句# [. ^ e8 f) F
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
/ J+ { N7 A H6 _" n还有很多，如有需要我把资料发到你邮箱里 . u1 A, ]9 ], [0 m8 I' j0 N
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