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发表于 2012-11-13 08:48:12
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1判断语句6 A+ t) G! d, ^9 `
if <condition> then
1 k8 [; \/ A5 @ <statement sequence1>;
8 }7 F3 y, l9 i' x/ W elseif <condition> then6 V; S6 G- B0 q
<statement sequence2>;7 @; W( ]- a. O8 [7 G, m
else % t4 @8 M5 }: H9 A
<statement sequence3>;
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如果分支比较多，用：
0 C5 M8 T3 d `/ y" g inspect <expression>
+ u [- d a% E5 U! d when <constant_list> then* [. w/ `9 X+ D5 y. v. l
<statement sequence1>;
# f% I. Y6 n7 Z4 J$ ^) b when <constant_list> then
0 E$ C# y, `# {5 z$ W& W: u3 ` <statement sequence2>;+ H' b8 Q) @6 T, {# F4 V
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else5 ?- V% o; t( Q
<statement sequence3>;* r/ W0 S* a* B8 l/ P0 h
end;" _% _. D) f$ i, P4 R2 w
- c* Y4 S2 k% L2循环语句- p0 y' u! @9 O( z( v, `- Y: i
(1) from <statement sequence1>; g% {/ ] m$ p
until <condition> loop
, a# u9 L( r e# j4 } <statement sequence2>;0 j, G* W$ X' p+ ` X
end;1 B$ D8 {' C5 j
(2) while <condition> loop
8 J1 H) G* c# y9 j& Z3 y7 b <statement sequence1>;
~$ i! ]. r" k5 x+ k3 V end;
0 _- t+ V* N4 Q (3) repeat
* R' ]# g0 Q2 [1 m: R <statement sequence1>;
% j( @8 [) m4 l3 [ until <condition>;) P; _+ p8 t& @9 ]
(4) for <condition> to <condition> loop/ ]7 S9 a8 [9 p" \% l5 z
<statement sequence1>;
1 G0 q" @/ F5 k0 [, O1 E; o2 S) `5 Q next;
: [7 W# B) h3 N, J& h" ]3中断语句$ R. I9 \% e8 v) ^; N6 C L
waituntil <condition> prio <integer expression>;
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3 R8 W' {0 v% g' p6 A, `" K: A# k以上为常用的函数！* M- Z7 V( M) K: [* @8 j
还有很多，如有需要我把资料发到你邮箱里
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