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发表于 2012-11-13 08:48:12
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1判断语句/ C3 m2 ]7 e) G) W" W
if <condition> then
@8 [0 y2 F8 v8 N <statement sequence1>;
9 Z5 m' j) \+ T4 h. E2 t4 d elseif <condition> then
. d$ T! K( f( `* ~ <statement sequence2>;
& O3 J: H2 q- Z+ ?1 [) b else 4 J1 [, \$ s, j
<statement sequence3>;
2 |, l" V, w2 ? end; D; f5 V, k7 P3 s; P8 L
如果分支比较多，用：; z- W9 ]2 ]2 [# [ }
inspect <expression>) t% N# M* H) o% c9 w0 o+ x
when <constant_list> then& o. T7 g8 F# x) o: S' T- B8 Y* R
<statement sequence1>;
2 b' j1 N7 @: x* v Q j when <constant_list> then
2 B" `# M' p1 ]+ T- i <statement sequence2>;0 v$ ^. |7 }4 r+ M
...
& R8 m1 G, h' W( ^+ D9 J else
2 k3 N9 I/ x J. E- p$ p5 O: U <statement sequence3>;/ T# l2 f9 V& B0 N4 l4 u: P5 m9 t) Y
end;
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2循环语句% r" k' W3 D! k* F2 w! g
(1) from <statement sequence1>
2 a8 @& s) H7 s, q until <condition> loop
: M+ `& P" h, Y" c; K7 p <statement sequence2>;: G& L5 E1 W# ~4 ^# I) j
end;! L& u+ d+ C2 j$ _( T; p
(2) while <condition> loop
/ ]- p) N+ G+ Z6 V | <statement sequence1>;
V# i' }. G/ T/ L' C: L& Y6 w end;$ L1 n! G0 ]- e1 b* X0 c
(3) repeat
9 F$ X2 N/ d. {* w7 _+ u <statement sequence1>;
! l4 f: n7 U7 C. N2 `3 T* ^ until <condition>;1 {8 Z9 T4 s: \: u) r, N& J: s! x6 k4 ]
(4) for <condition> to <condition> loop( P$ C/ h$ m; N( L
<statement sequence1>;
7 i+ e8 |0 J1 |+ b# H8 y next;1 f! K! l: E$ S) {1 J
3中断语句
( e. R2 x! F2 }( G+ \, f waituntil <condition> prio <integer expression>;9 i3 Y$ D5 Y' b
- F7 I3 o3 r% g2 R6 B. D4 t1 ~* E- O$ b, {
以上为常用的函数！9 ?/ n# _: C% _9 Y. c- q% ^
还有很多，如有需要我把资料发到你邮箱里 ! e( D' h5 I5 I/ `
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