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发表于 2012-11-13 08:48:12
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1判断语句, @- P0 ?* h1 H, q P6 G- z
if <condition> then
" o( i1 f% _& M( c1 P <statement sequence1>;
5 ]1 `7 p* X+ T& C* M# g1 R: S; e elseif <condition> then% P" ~4 G1 Z0 V( r. s- b# K+ g
<statement sequence2>;9 V, [8 L- m. g: ^; H
else
1 K [" A9 N' [1 X. i: T <statement sequence3>;
2 A6 G" F) X8 T- E end;
1 { v1 y& ^2 K, b如果分支比较多，用：
+ d/ U: d; B* H6 j/ J inspect <expression>
, Z- F- o9 q" o3 [7 l* T when <constant_list> then- b4 S% w" a+ a! q8 J/ | `
<statement sequence1>;9 W" I% w* ~4 G! t
when <constant_list> then
( |# m0 H5 G6 @3 y <statement sequence2>;) ^ F6 H3 c: ]: _* f& F' f1 L% \6 H
...
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<statement sequence3>;, M" N% k' |) p7 j8 M
end;( U! B0 b, h9 I! E. l7 y
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2循环语句/ v% J8 _8 g" W) Q9 s
(1) from <statement sequence1>
N/ F& I i* k+ i) g) S' \ until <condition> loop
) ?5 s: Z' w3 O6 k0 t <statement sequence2>;
4 M }' _1 Q' j end;3 Z6 h% \5 S% R- ~
(2) while <condition> loop
' Z" e4 c, d: W9 Z/ C <statement sequence1>;
; U$ a: S7 h7 q+ [( M0 v' z! f* I end;& O, ]; J' ?: q
(3) repeat ; p1 `& D B: g% E' r6 l( `
<statement sequence1>;5 R8 Z7 l+ ~- ?# }
until <condition>;7 C0 @/ h( ?- ~3 w0 s3 ?
(4) for <condition> to <condition> loop6 x H/ Y8 x7 b: Q
<statement sequence1>;8 H8 w0 {# Y7 G- a& Q! V
next;/ R' n a+ r0 j5 ]- F
3中断语句
+ |/ f* S0 [& _( j! D( b7 R- _ waituntil <condition> prio <integer expression>;
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以上为常用的函数！
5 f$ x o: ~) E4 K h! y6 z7 R还有很多，如有需要我把资料发到你邮箱里 ) U4 x- Y) }6 T, Z
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