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发表于 2012-11-13 08:48:12
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1判断语句
7 a+ u- {) Y3 L( w, `; H if <condition> then
) l; M' u+ E4 r5 ~) a1 g) y <statement sequence1>;
2 f% l8 S! }/ L& c+ s$ }5 m elseif <condition> then
/ ` K# _, V: H/ U+ @1 J <statement sequence2>;, l/ B9 B2 l# Q1 f" K% Z
else
) R/ X$ I/ ], u& M0 F <statement sequence3>;
/ R5 {& P- P1 g6 D8 H( X end;
# V# J( `" O V$ G如果分支比较多，用：& F7 Q' s9 A( C8 O
inspect <expression>
2 U' e8 G( j4 Q1 y* \! I. ] when <constant_list> then
0 B" b0 Z5 s+ d& H9 n5 k6 e <statement sequence1>;
* l1 a1 N. g9 W5 r6 d( b' N1 b" i3 f when <constant_list> then2 A% \7 f4 \8 C" J% E: W
<statement sequence2>;1 M% q4 F7 {% {4 F9 d9 u; K
...
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<statement sequence3>;
- m( k j& \6 U; Q$ X& ?end;6 ?0 b: P8 z- H
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2循环语句9 a1 U. G( {$ ?. v
(1) from <statement sequence1>
8 R9 a- p. \* V1 K+ ] until <condition> loop
1 i, k# ?2 c* l& U <statement sequence2>;
. J, w- q, g0 I# e: H! E end;
% Y Q+ |' K8 Y% u4 M% ~ (2) while <condition> loop! t5 u' _0 N# N- n5 q" B" ?+ I2 W: h
<statement sequence1>;! C9 w3 [; X. h9 l
end;
$ b+ q; q, |+ }* _ (3) repeat
, b& f1 K9 N) [" z% _ <statement sequence1>;1 b3 G; P: M( h$ Y) R+ j
until <condition>;
8 C& G* |% @& W0 V9 G8 }- @ (4) for <condition> to <condition> loop4 Z( T7 _& W. h+ k9 ?/ {
<statement sequence1>;5 ` v% ?0 P+ h9 W2 W0 Q
next;
& P9 r2 c% P6 P) r3 i5 k3中断语句 ]- [) u: S- w5 P) d h
waituntil <condition> prio <integer expression>;
# k+ G' g/ l6 K- e# }, E5 x3 V3 m7 w, q
5 Q9 r* y& A9 q$ ^8 P
以上为常用的函数！
i. J; j/ P0 k还有很多，如有需要我把资料发到你邮箱里
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