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发表于 2012-11-13 08:48:12
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1判断语句0 R+ Z' k3 N! b
if <condition> then
9 E: z3 K8 b& S8 ] <statement sequence1>;
3 l% }- [0 h v- G, V! o elseif <condition> then, s' x* m) @8 i3 e" E1 G
<statement sequence2>;; f! N9 @" v/ j+ t/ l
else
4 p% ]3 D' G. H <statement sequence3>;
/ Y' a1 f9 x3 L+ ?& k end;
/ E; f* [; i4 @; }( \如果分支比较多，用：
( A7 R: z/ w7 t, D7 g' g' E- e inspect <expression>/ e, ], s/ D- C
when <constant_list> then3 P6 O9 }# C2 b3 m+ T2 \
<statement sequence1>;
% s* G/ x l: A when <constant_list> then4 t6 z: }" O8 ]5 F/ l l
<statement sequence2>;7 j1 z0 y; L1 q& `1 j4 _" E
...
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<statement sequence3>;
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$ Q# F! B+ o s6 B( Y. r2循环语句
4 x2 X7 h# ?# P+ [9 ^; z8 K9 r (1) from <statement sequence1>
J, S$ A& B5 X6 z* Y; U until <condition> loop @" ?1 T( Y8 M5 `
<statement sequence2>;
' o2 I, M- \+ \6 {, j end;
7 E n3 ^) `1 p* t. ^ (2) while <condition> loop" }+ Y6 g" s2 I/ s p
<statement sequence1>;
# k& ^+ f& v+ T' s0 e; f5 h- O end;( \1 b# F7 b* G
(3) repeat - I1 I: s- u3 f6 F; ]# J. B: M
<statement sequence1>;
! z: A; @$ ?, [/ t until <condition>;
+ I& r3 z- O5 e. W (4) for <condition> to <condition> loop
) j! c1 c3 c0 n <statement sequence1>;( X6 G! X2 Q% Q8 F' ], \
next;$ N5 X6 D5 q3 R: P3 `+ y
3中断语句
5 E8 r" |) v3 }6 | waituntil <condition> prio <integer expression>;% y8 Z) Q5 ^2 ^4 ~1 p
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以上为常用的函数！
. m0 |3 u8 B( L6 N还有很多，如有需要我把资料发到你邮箱里 v! M/ f9 q- u, T
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