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发表于 2012-11-13 08:48:12
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1判断语句
- S, Q- r& M+ z2 j6 a2 N1 r if <condition> then4 p8 v7 C5 d* |% ~$ n7 W
<statement sequence1>;! ^7 x! N& {7 x7 h
elseif <condition> then
! ]5 W' w, {7 T) H5 |. J <statement sequence2>;
[* I. l2 s% B9 c# }: y2 e else ) s3 e4 h+ ]7 ~" @
<statement sequence3>;
$ @% y7 m( R( O7 j% w end;
' R1 L6 N2 ]) H" Q3 J# Y3 b+ h如果分支比较多,用:
* p+ y) a% i" i7 w; ]; @, D inspect <expression>
9 L# h7 h8 r" V& }9 s when <constant_list> then! \( M/ c+ {% M u2 i8 I
<statement sequence1>;
. B& d% k: B/ {1 n. i5 G* u when <constant_list> then
" Q0 W: e" F( j5 z <statement sequence2>;4 E( U4 r6 ?0 v$ \/ b7 `
...
) N g+ j; P$ z i: f else. ?) C5 l2 u& e# }6 T5 H
<statement sequence3>;
# s( `3 T/ A& Lend;$ @. S! I* P: H. h) |$ h
# s) p- W& k% e- a9 N2循环语句9 J, @* s1 e3 {6 N# w5 }
(1) from <statement sequence1>. X; [5 p. N( k5 s
until <condition> loop7 P$ p9 ]0 Q, e
<statement sequence2>;" Y9 n3 a( Z) H; Y
end;
) E* o! o1 A0 T6 L1 w (2) while <condition> loop
6 }6 u: `2 M) V# m) t3 ] <statement sequence1>;
2 m1 N. k) N. b end;: n& w0 y* k; k# {6 w$ v
(3) repeat
- t. W" O5 a/ q <statement sequence1>;
/ D. l) P4 U$ l until <condition>;
6 x4 P0 {. l, F* t9 q5 @; F! m (4) for <condition> to <condition> loop
/ Q0 ]4 x2 E3 t/ K' J# [8 } <statement sequence1>;$ K+ s9 [9 G: F$ F
next;
% f& B4 K; g( O8 d) ]$ j3中断语句
4 v+ B* \4 H5 ?) Y waituntil <condition> prio <integer expression>;
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以上为常用的函数!
$ G$ q# m# j- L9 O/ Z还有很多,如有需要我把资料发到你邮箱里
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