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发表于 2012-11-13 08:48:12
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1判断语句
7 r7 m- A: k+ c if <condition> then+ U3 M& `4 J `, G, z: y! {4 x
<statement sequence1>;3 q& z* P" p7 O1 ]! z" i: t# H& X/ T9 @
elseif <condition> then( T: Z0 F: p- { U4 B
<statement sequence2>;
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<statement sequence3>;5 U( g) s( R3 D! J
end;
# o# r; c* N* x0 i如果分支比较多，用：
) b# N y8 n" u% G inspect <expression>
, L/ n4 O/ L' h) `( K when <constant_list> then
7 x4 T, j/ d/ m+ b* N <statement sequence1>;% o! O7 L1 h& W" s6 W
when <constant_list> then
' Z3 |; T9 c @% `/ i4 e <statement sequence2>;/ H: m* X: t" u2 @2 t, W9 Y& a2 ?
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else! H. a1 _7 |; J& y+ {
<statement sequence3>;0 `+ T+ P9 z" N
end;0 A3 s& i, w0 L7 T
; M. n J6 O3 e5 n. S2循环语句
( ~/ s* E3 u1 M! r1 X+ Y (1) from <statement sequence1>; _& H" Q! M! B: U- Y: A/ G
until <condition> loop8 f6 h" W: r& Q" `- M' n+ Y- l# A
<statement sequence2>;6 X/ F9 O* y, r" x
end;
3 c4 B$ k% P! ] (2) while <condition> loop6 l- c/ P! |, i1 ^. d4 y
<statement sequence1>;. ^6 t! y0 g4 I$ t3 a- q
end;; `5 v, j1 Y, H; M4 I) V* [
(3) repeat
5 S; ~) T# l- u1 _ x/ s <statement sequence1>;$ X& G* j6 d, ^ e8 R" L) ?+ h# }
until <condition>;3 {- ~# O/ f5 J- |* ?& U- w T6 G/ Q
(4) for <condition> to <condition> loop/ k( [8 a1 @7 [
<statement sequence1>;
: o3 x4 V) O8 W5 k. a0 Z" B( P next;
$ z7 P: A9 d/ e4 N: c4 h. l4 Z3中断语句+ y9 c2 v1 `' A# R9 b$ f, W
waituntil <condition> prio <integer expression>;
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, ^, X- L$ ~$ K% B$ Y以上为常用的函数！
8 y+ G, b2 Z; t0 Q# |: @还有很多，如有需要我把资料发到你邮箱里 ' u2 H+ ]5 u4 D: g8 M4 Z
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