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发表于 2012-11-13 08:48:12
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1判断语句
D( F2 W4 X! x$ l4 f if <condition> then( T# G5 _$ V6 x! E8 a3 z+ q
<statement sequence1>;9 x* g' b) E3 M& M; x6 [9 b# T
elseif <condition> then
: y! X* C: u# [( s" z" J5 l <statement sequence2>;; x9 G: l3 U, C
else
- o9 `/ P( ^) | <statement sequence3>;1 W ]5 n: ]8 K
end; u# v1 f& _+ {0 v
如果分支比较多，用：7 T* c* {5 v1 B4 {6 }8 B, |' j# _
inspect <expression>
3 ~3 m* @+ K5 g; b) f' v. j when <constant_list> then# l+ c) ~9 H2 W2 a# X
<statement sequence1>;
8 ^5 U7 A4 C j: v" w, O4 _ when <constant_list> then% V2 ?; E2 U$ ^8 M6 e- k
<statement sequence2>;
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else8 |" w% c ], n3 U/ u
<statement sequence3>;
) K l: O, w' G2 M, N7 dend;
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2循环语句 J* W1 [7 {+ v1 O9 l4 C! o( R
(1) from <statement sequence1>" K: R" u7 ]) ~ ` m
until <condition> loop+ d6 C9 z% M. v5 j4 A1 g9 ]
<statement sequence2>;
7 G+ y9 ^8 W) C! }( L% ~% C ] end;
0 Y5 ?' o% y( B( p$ x (2) while <condition> loop/ D7 B. }# v7 T- f
<statement sequence1>;
- a4 z' t" E5 S* C end;
. {2 I2 d% F6 S1 K6 N (3) repeat 4 P* W; x! T% D* K9 s- t+ [
<statement sequence1>;2 j# ^! f2 @2 d H/ l
until <condition>;
" Z; v8 }) }/ r @ (4) for <condition> to <condition> loop; b! F5 {" x. H9 k2 p a1 I/ r
<statement sequence1>;
8 D) F4 f [" q8 J next;
+ @% d" k! R6 ~) ?1 X3中断语句
) `8 W1 i! U* A+ n8 b9 p- F1 @ waituntil <condition> prio <integer expression>;
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以上为常用的函数！: {0 g1 \" H& K
还有很多，如有需要我把资料发到你邮箱里 4 S: q7 W+ y1 W9 v) M
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