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发表于 2012-11-13 08:48:12
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1判断语句' H5 M1 G* [ ]
if <condition> then
8 u9 S. @3 ?& ?/ d& N4 T J <statement sequence1>;
& y; N. k$ T6 o1 c+ A elseif <condition> then5 o3 d5 f9 a4 l! i- K0 O
<statement sequence2>;
) G' z7 {- J! r- N' X- C else . v3 |4 j$ L) c5 ^6 R$ J8 R
<statement sequence3>;
8 h7 E+ w d) S" t% L end;
/ \5 `2 J' D- F7 R如果分支比较多,用:) V* @9 L0 a; @* ^* J
inspect <expression>; |: ~7 z( M2 i2 N! S
when <constant_list> then
9 }& z. ^* [- o: ]5 B# @ <statement sequence1>;/ N& q+ E: V/ F! C+ _* {$ X
when <constant_list> then4 u. O7 Y# \5 u
<statement sequence2>;* j# r) M2 y+ e( F* @5 I
...
_1 k5 |- V! |% R" V6 I else
! W1 S$ i3 \; a e <statement sequence3>;) p6 r7 Q/ E( V4 u! t
end;5 }6 u) X9 u' p4 H- |. v j! l
9 E4 n% m2 A! F2循环语句
2 D! M: V( F5 \7 V! Q* P (1) from <statement sequence1>
% L; [8 y5 ]( R7 h until <condition> loop
* D* Q" U( f9 x M8 p U <statement sequence2>;
% N8 O3 H4 `7 Z3 H& E; p; \2 I end;
, m$ d% E) g# V3 T8 A0 c (2) while <condition> loop
7 [9 e. F4 ~. M" C <statement sequence1>;1 i$ n+ C- V+ A% J( n4 Q/ I
end; R/ h1 k" P# U5 a5 d9 I: o* d
(3) repeat 8 h+ L" s' v2 G$ Q* N" j' J
<statement sequence1>;5 t3 U9 A1 p! M8 t# [( s7 e+ @
until <condition>;
+ |5 _6 ^/ u# W7 Q7 `- R (4) for <condition> to <condition> loop8 s- \: s: `+ S v, d
<statement sequence1>;
/ w3 K2 e* W+ J+ s8 B next;
7 _. D/ T2 M5 w( w4 D3中断语句
* x/ U+ G7 L" k' x- }0 A; @, j waituntil <condition> prio <integer expression>;6 @ g+ _8 X, A% e: c, k9 o
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以上为常用的函数!
0 a* r9 j' x6 H* c还有很多,如有需要我把资料发到你邮箱里 7 k& F0 h/ _2 T% w
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