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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
8 J( ^& R, a7 a2 j( E0 A" ~5 `0 | if <condition> then0 I$ l! M( I) a0 x$ V3 h$ i: [! x
<statement sequence1>;/ \ J/ ^' t$ |. ?
elseif <condition> then9 g+ J4 q: M; q& @6 w
<statement sequence2>;
3 t% o! t: i/ M4 s, Z else
3 X7 U% F. \. d% x+ v <statement sequence3>;
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如果分支比较多,用:
5 X1 T( ?& _* B6 q inspect <expression>
1 ^" i4 O5 Y. k# G) r when <constant_list> then' @. k0 I& d- J$ M( A4 {
<statement sequence1>;
4 \( |0 ]7 l } when <constant_list> then$ e0 q y$ Q) s
<statement sequence2>;) q$ G( J# }1 d* l
...- G$ g+ {2 ~- a/ v% h- [
else
! w3 @( E2 a7 ]8 {1 S( l5 S <statement sequence3>;
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2循环语句6 K4 d9 x8 t: T2 I
(1) from <statement sequence1>
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<statement sequence2>;
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(2) while <condition> loop* W- z& @2 j4 X# g5 T
<statement sequence1>;
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(3) repeat ) o2 O) E9 }- I( \- ]
<statement sequence1>;0 G# V( g% e* C3 j" a" k- \( x
until <condition>;
/ u; p# E3 @6 a4 x (4) for <condition> to <condition> loop
' b, P' |) t" | e/ q9 B <statement sequence1>;
$ e9 I5 U& Z8 H next;
8 N% b4 V1 n) Z1 q3中断语句! o2 j; O' \& l: o) S( ?' F
waituntil <condition> prio <integer expression>;
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以上为常用的函数!! b: h3 d: b' v6 e
还有很多,如有需要我把资料发到你邮箱里
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