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发表于 2012-11-13 08:48:12
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1判断语句
t- t0 n) h6 f# w& ^* c, C if <condition> then
2 A% t1 h" W9 h* V5 @4 j <statement sequence1>;# V S' y% w2 L0 O$ P! j
elseif <condition> then; u' u# E; l/ h( B6 f" s/ J
<statement sequence2>;; p! Q7 S& ~, Q0 D) W/ E
else
7 G M6 E$ f! D7 Q7 f <statement sequence3>;1 N' |' R3 }/ M1 [, `& _
end;9 y, X- k6 k6 I0 l' Q
如果分支比较多，用：2 P5 \( \* a( p, r! o, j
inspect <expression>
$ x) ~* Q* V. W4 h6 x) ?% V when <constant_list> then1 w" g, r2 h' g. A$ y8 y2 E
<statement sequence1>;+ ]$ n- _- g% w. }5 T9 W5 P) M
when <constant_list> then
5 K$ a: s+ ?! \8 g$ v/ h" m3 q( \( x <statement sequence2>;+ ~# X2 |# k4 v+ H% M# V j$ b
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else
5 e2 N, u5 y& w+ P <statement sequence3>;
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2循环语句2 i+ \5 L+ X# }% J T
(1) from <statement sequence1>' q. t. y& U8 S" Y' m9 c
until <condition> loop
3 M7 r$ E, \+ `- v8 e2 } <statement sequence2>; T! H5 U, {0 N. n' R
end;
4 i! }8 t S8 X/ a2 P* |- m (2) while <condition> loop3 R5 n7 b9 G6 n% Z3 D7 h, X7 l I
<statement sequence1>;2 X3 a: F* k, L4 Z+ _
end;/ h! V& K$ `4 U. g
(3) repeat 6 i; N+ Y9 v- Y' {' M4 A" u! _, p
<statement sequence1>;3 d' O' |3 w+ p
until <condition>;
9 ^# {* {! T! e/ ~8 F' u (4) for <condition> to <condition> loop
" M+ M% t9 F, J% B5 i5 r <statement sequence1>;
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3中断语句1 P v' r0 i. u! ?0 q
waituntil <condition> prio <integer expression>;
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g3 E* K; ]0 c4 U以上为常用的函数！
a: | j$ p/ j$ b还有很多，如有需要我把资料发到你邮箱里 D# L; B, b& n* `& Q" O9 G
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