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发表于 2012-11-13 08:48:12
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1判断语句; \, n0 V, c& q0 f" J7 P
if <condition> then
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elseif <condition> then% z, O: |' l% ~* ^- K" ~( [
<statement sequence2>;
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( Q3 M- |1 a. f; A0 p1 @) E <statement sequence3>;. J, {: C8 D n$ I: d0 n
end;9 }$ J% E, O2 S3 B# f
如果分支比较多，用：
. O# H9 e1 {0 n$ n6 C N) n inspect <expression>8 @, @8 q3 f* c/ R) s
when <constant_list> then
( W# S! ]) {, v( V) H. D <statement sequence1>;3 ^" |2 z8 f, M/ v; h( h
when <constant_list> then4 C$ c7 S$ k' q" c
<statement sequence2>;4 H( s( i: j- {: J" E0 Z
...
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<statement sequence3>;7 _4 k# u% l, e; e. z
end;
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' y0 ~$ u1 U1 v( h. C4 l0 }2循环语句: P* f0 Z' E; u5 {* X
(1) from <statement sequence1>
0 V$ `' J! r- N4 i! S& j7 U# _ until <condition> loop
0 i: i3 F: [5 ]2 r+ f; t <statement sequence2>;
. @% l- p5 B8 R) R) b' Q9 c. C. Y3 t end;% `' p/ L8 G9 k; {2 b
(2) while <condition> loop( ~" O* d5 \$ l5 a
<statement sequence1>;
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(3) repeat
. m% ?1 W4 b+ g/ k M' J: {+ h: Y <statement sequence1>;! E/ D7 y1 ?& T3 R, p
until <condition>;, [! C3 h2 d: D( c4 Y
(4) for <condition> to <condition> loop
4 \: f( ]9 \4 ? <statement sequence1>;
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3中断语句0 _1 y* t! b" d F5 k' E' Z, }
waituntil <condition> prio <integer expression>;
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! c( ~# M' X7 Z& T9 B2 M- A8 a8 K以上为常用的函数！( k" n0 A( n' h) Q" q' L
还有很多，如有需要我把资料发到你邮箱里
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