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发表于 2012-11-13 08:48:12
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1判断语句% O9 M- p Z- s! G Z* U D/ m. _) D
if <condition> then
# Q4 U0 V8 ?+ d7 z% Z7 I7 O6 r <statement sequence1>;
$ D; x3 y$ g5 V# l" v4 f elseif <condition> then; Q$ ~5 t5 r. q, I$ _' T% \0 T; c
<statement sequence2>;
/ `3 L5 J0 u8 X' c! u" a else
' S+ d0 A# `9 `( t9 o* O <statement sequence3>;
- @ e( i, X; |0 [( C# p- c end;
9 N! g w8 h- F0 p6 Z" T& D如果分支比较多，用：5 Z- j" `6 u$ x b0 x
inspect <expression>0 J2 c& X' U" g& c0 [& r
when <constant_list> then
% l/ P0 m2 `' d7 y5 D* P <statement sequence1>;. ?5 R* A' d: E) a/ [$ a+ T) f8 v
when <constant_list> then3 X1 |: @ j! \4 ?+ H
<statement sequence2>;
: A& H9 T' r) Q b1 L ...
* o* t# l3 N U4 C else
( Q( G* _4 \8 {2 p3 e$ y <statement sequence3>;; _+ Y. F$ `: d. K
end;5 m( A0 V' q+ v- }
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2循环语句( H* p* B1 f- A6 ~
(1) from <statement sequence1>" b- |0 R5 ?6 S0 B* t+ c
until <condition> loop
) e5 `# m# U" e) c <statement sequence2>;
. Z* Y! `- m" c& S: b! K end;. F' X8 Q, u# ~5 x! r2 X
(2) while <condition> loop
7 A* f' O5 N$ x <statement sequence1>;& F) x& C9 v9 {* P5 P7 U# X; h( k
end;1 W H* x+ {) f6 G( v
(3) repeat
, e/ I, I$ i: Z) E: m) F- L6 c4 k <statement sequence1>;
/ ~3 }$ k2 g* I until <condition>;# R+ W p4 G+ q% T; W2 N
(4) for <condition> to <condition> loop8 {8 z+ T# i A
<statement sequence1>;
2 n2 L0 L, K/ N next;# ^# F$ h: F; g
3中断语句
D% e% `& E- X. W- P waituntil <condition> prio <integer expression>;
5 C l' u* i: t! ?3 e
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以上为常用的函数！
/ B3 G* m% Q* R. f还有很多，如有需要我把资料发到你邮箱里
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