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发表于 2012-11-13 08:48:12
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1判断语句
9 C6 [ P) p( t5 r( t9 S* K if <condition> then2 J. G1 X2 t! e5 w4 O8 L
<statement sequence1>;. F8 y* i3 j% x! V
elseif <condition> then
o8 k" ~# H3 S- `5 ? <statement sequence2>;5 u. ]3 P! N- w9 z5 `- _1 h R
else
( v* w* V/ Z ~9 ~) u3 O! q* H# \( {+ P <statement sequence3>;
$ V5 \0 L& o7 I3 h N end;
/ R( n" o5 J9 ]& L如果分支比较多，用：
- f% N1 r- |9 N/ \ inspect <expression>5 ]) T" C; H( u& O. N
when <constant_list> then
! o3 q/ h! x- ]% X$ U0 L' @& Q1 ` <statement sequence1>;$ _; y9 n- Z4 n; n/ Y
when <constant_list> then$ v! r/ b% U9 }. r5 E9 K: o$ _7 o
<statement sequence2>;6 p* M) _4 Y8 d* O6 v: ^8 M
...
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<statement sequence3>; Q- j3 a, Z. D4 g
end;
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9 `* R- a5 g( E5 f: }2循环语句4 C& ?& p! k; {
(1) from <statement sequence1>
) Q' `) c, }- F7 J/ P1 B( c$ v until <condition> loop
) E. |' {* c& ~+ Y i <statement sequence2>;
$ z( L6 y& t9 J end;- }6 q# m& @) Z4 B8 N' O P, Z: U& ?
(2) while <condition> loop+ T9 d+ g% ]; R5 j8 x
<statement sequence1>;1 C4 ?" j9 x3 W; C8 t
end;
7 a- J" s0 u0 N- ~/ x (3) repeat / E1 A3 b( B4 P( G+ ^7 E
<statement sequence1>;: H+ F7 J: I/ x( K
until <condition>;2 e( e3 k! K0 \# v
(4) for <condition> to <condition> loop' _+ X1 t( g+ y- p" b m* c4 s/ p
<statement sequence1>;
8 r5 a- h& t% O: H next;
6 r+ U' p0 b' p5 A C3中断语句
$ y4 f! c* g+ q waituntil <condition> prio <integer expression>;3 k0 i7 E7 G8 k, h t# W) n/ M) D6 N5 D
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以上为常用的函数！8 H. C# D1 N5 }% o* a% M. o5 H2 D
还有很多，如有需要我把资料发到你邮箱里
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