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发表于 2012-11-13 08:48:12
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1判断语句
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3 o4 j& v$ m. f <statement sequence1>;" Y/ H L O' T" l$ y- X
elseif <condition> then
; `& C9 W* N+ m: A( `; ?6 E& e <statement sequence2>;+ R" O, n! Q0 }( {9 ?
else
! i- S8 c1 h0 j: L5 _+ V2 f <statement sequence3>;
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如果分支比较多,用:
1 ~. P7 }: e9 Y, Z- i' | inspect <expression>0 F$ n# a8 b5 r$ o+ A
when <constant_list> then
0 W, O/ H- ?. v/ ]* ^ <statement sequence1>;
8 N m/ W8 D3 _ when <constant_list> then
) b: S; ~; n, [$ V( t' g6 T <statement sequence2>;/ A4 o# M$ \ ?- p) W
...
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<statement sequence3>;
0 ^- M1 ]$ K. H8 h) J" J/ [end;
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( F- K& W# G1 a4 k7 I B2循环语句( q, E$ j/ a h6 F% I5 l7 C; D' A
(1) from <statement sequence1>
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<statement sequence2>;+ _5 ?0 D3 u' Q2 C; B" ~. U' {
end; S1 l0 s' W- D, M# b/ j, R
(2) while <condition> loop
0 z8 t7 J+ i! s6 m) y) Y- K <statement sequence1>;
3 I1 b1 ~# k5 @) B4 v end;% l% \" U( R& Z2 G/ M3 S2 ?' C
(3) repeat
+ ~3 O' g* r" L6 C+ G4 G( i <statement sequence1>;3 R( Z# M/ s2 Z$ P" s
until <condition>;- L p L) {3 p' u2 i8 C
(4) for <condition> to <condition> loop
, E- G& f# @0 U! y7 G <statement sequence1>;+ g7 ]+ \7 @* w. y) g; l* p
next;* l/ k; f9 i+ p3 M9 w' c" j
3中断语句3 P- u! B! t1 y d0 M$ r% z5 N( R
waituntil <condition> prio <integer expression>;, k6 s7 `% k9 ?: F$ j1 g
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# M7 P' \3 R% w4 D0 c6 v' l以上为常用的函数!
! Z5 ]( g5 s3 w p! s- L, R0 Z还有很多,如有需要我把资料发到你邮箱里
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