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发表于 2012-11-13 08:48:12
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1判断语句
1 @( ]6 {$ i$ ]2 t ]. |7 ^9 [ if <condition> then+ c$ L$ D v I7 ^; o0 h
<statement sequence1>;; Y% t3 J8 H2 s: V9 `
elseif <condition> then) c3 q8 k- |; S4 {2 P
<statement sequence2>;5 M: `. d/ h. y2 Y6 V" o; R
else ?+ z' _3 k# q& \. u3 f8 J: R2 Z
<statement sequence3>;
. [8 z' [' G/ u }. p( L end;+ w( i: l/ B! _! N+ `* k
如果分支比较多,用:
2 P- s9 a8 S5 h a( C4 M# d0 P( L inspect <expression>
1 P+ y7 b' ^# f" Z7 f6 N0 b- u when <constant_list> then$ r X" ~8 x! e! T5 u* P
<statement sequence1>;
2 ] M, f ]' S+ U; L when <constant_list> then
5 P6 ?# K) o0 ~* Z/ M3 n <statement sequence2>;5 ]- `$ z6 ~! N2 S8 r6 }5 h
...
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<statement sequence3>;
1 ]4 l) e" ~/ d& y$ }1 eend;
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2循环语句/ O& ^; z* c! T7 M1 k [$ n
(1) from <statement sequence1>/ U. N8 D8 U5 O5 u0 U3 K# ~1 l
until <condition> loop
; [$ m0 q( V- n <statement sequence2>;1 f: I& R E6 M$ G! c8 e; a
end;; A# [0 M% Q. z% I% [/ z: Q) P
(2) while <condition> loop
; W( Y! z: M& t! |* g <statement sequence1>;6 i0 a2 h. R5 T! {2 q+ L w
end;% M' X/ c- c/ \: z( u m7 C2 Y
(3) repeat
. C, f) V) w" e" x5 X- i m% J- x <statement sequence1>;
3 M, H. g1 [" H8 u4 Q until <condition>;& x+ g$ h$ D; b, ?
(4) for <condition> to <condition> loop: i( R; M& E0 k5 E
<statement sequence1>;% X6 J: _/ e- ?- L
next;
1 J4 e3 @+ k$ i* }5 }6 [) V& E& {5 m3中断语句
2 |) Q0 c% h4 R) J5 \ waituntil <condition> prio <integer expression>;! d. Z- j! S& v! n9 W( I. {
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- f+ k M& t$ s y# }) j以上为常用的函数!- P( R2 n' ]& l- ?5 w
还有很多,如有需要我把资料发到你邮箱里
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