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发表于 2012-11-13 08:48:12
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1判断语句
; A* [ z! @. h if <condition> then
3 G& z" X3 S: y& M! q% \7 H; C <statement sequence1>;
$ `) {5 g& x6 ~" ]. Q3 n elseif <condition> then
4 E. v; S" C: Z! Y3 N d <statement sequence2>;8 N8 Y" g- V) q9 Y6 r$ y2 C
else
% a, g! ?" S2 v. m <statement sequence3>;4 w; b, L9 O6 D" Z
end;
8 t& D7 \, c( D, P$ n' S如果分支比较多,用:. D1 _" y: H- a& k1 P ], S. Z, @
inspect <expression>1 ]8 g% \& K G k+ B+ Y! V
when <constant_list> then& m1 {. z- d; C ]7 C$ i; O$ ~
<statement sequence1>;- x8 d" q! e7 o( M% j
when <constant_list> then; Q. ?5 U. r: n/ J
<statement sequence2>;% x2 t- A+ j: h/ Z# M! K
...
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<statement sequence3>;% x" t5 F, t( B, N- v* |0 j) M
end;( `1 L$ k* {! Y8 O- C$ o* }
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2循环语句4 H( B! b& x" d" ^3 J' l
(1) from <statement sequence1>
& W% W$ N' r9 u0 B6 o$ l until <condition> loop& L2 H& H7 ~ a( E: f
<statement sequence2>;
4 N& t: T+ {+ L0 b end;, R) Y% C* U* E8 t/ Z
(2) while <condition> loop* ]- R2 s8 C1 ]2 u/ V2 k
<statement sequence1>;
# s8 e* O! t. V3 E q end;) \' W& _ M3 ?8 Q9 j
(3) repeat / @8 G% D# B, R: a e
<statement sequence1>;
* @- p+ Y0 |' s# u6 O- ~ until <condition>;
& N& f3 u+ ?0 F (4) for <condition> to <condition> loop$ o8 O% T0 U( ^5 p( ~
<statement sequence1>;$ k6 G8 x2 @8 J$ P7 V; v
next;" X5 B9 [) ?6 L$ z- I
3中断语句4 F# |4 D+ ?, P
waituntil <condition> prio <integer expression>;
0 X7 t' j; }/ s6 `! I! A1 T& C# c% z% u3 F& I; M
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以上为常用的函数!, h9 O' [2 _$ O( ^0 M9 q1 p
还有很多,如有需要我把资料发到你邮箱里
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