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发表于 2012-11-13 08:48:12
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1判断语句2 x: P& N5 m6 }+ D- g! r" _
if <condition> then) h1 _% s A3 L1 u) `6 z' X5 [6 d
<statement sequence1>;2 p; Q" L8 g% ^( O3 J( P
elseif <condition> then
3 ~' e, F+ r# h% {; q7 I/ R <statement sequence2>;
+ u) `0 ] ^; }) s* p else 2 x$ R7 n( O, ?% A8 Q
<statement sequence3>;* h3 S1 U' \- f3 q( D: u
end;$ ^! Q ~1 F7 f: h5 i
如果分支比较多，用：3 ?+ u& y5 l1 d
inspect <expression>& V" F x, j! c0 A% j
when <constant_list> then
& Q8 G: i) H8 B& Z6 O _" y- A <statement sequence1>;
1 H- {& ?+ ?- n: T6 e when <constant_list> then
3 j( I w' y9 U% I! n <statement sequence2>;
8 Q) L$ _- j: ]. x% V0 N) t6 a ...
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<statement sequence3>;8 h% z# p/ s: h I) B( v1 F
end; F# I* V; Y2 W2 Q. t) L6 y* k/ ^0 X
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2循环语句
. \% x' t% H x8 ^) P* ` (1) from <statement sequence1>/ w! Z3 S. G3 b& W! y( G9 d
until <condition> loop3 x" w6 T' e) T9 y
<statement sequence2>;& ]8 H! }& B2 `$ t4 m" b
end;
3 n* ]0 \, b0 U* t (2) while <condition> loop
( A. b2 w$ K7 h& A! ?2 z <statement sequence1>;; d6 s' r S+ ^. G
end;; N+ [2 }# ~) |: S5 p) Q/ R5 p
(3) repeat 7 X4 e/ I8 Z" C# H$ c; m- @. R! B) K
<statement sequence1>;
5 V8 @# n4 V( J$ Y until <condition>;
4 z8 c0 Q- }7 ^ (4) for <condition> to <condition> loop
: J. h' {; c3 s! D <statement sequence1>;
, Z7 _, \( n1 Q/ Q1 ~% [% ] next;: j' ~4 l3 H F, V- K& |% s
3中断语句
I' q( n- G" D7 @8 h waituntil <condition> prio <integer expression>;
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' I- [6 Z4 V9 |4 \' j7 {以上为常用的函数！
( Z# z& W8 n/ ]+ @' t2 p还有很多，如有需要我把资料发到你邮箱里
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