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发表于 2012-11-13 08:48:12
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1判断语句
; X: A- G3 s. X: A3 @ if <condition> then
/ {+ M8 ?( S4 o3 a! V6 J% _% m <statement sequence1>;
2 Y; X R/ F9 A! y8 m& s elseif <condition> then
7 y; n! C3 R* E5 [5 C8 @ <statement sequence2>;
4 H" [! x7 Z# ^- m' ~ else
% ~/ O' b' {) O; [, u" @ <statement sequence3>;
& i, {4 a/ H, ~, e end;' Y9 r* T9 l$ }
如果分支比较多，用：& G% t' S5 `/ H# b
inspect <expression>
4 |2 H3 L* E4 R5 q3 L, @ when <constant_list> then! Z6 o) M* j( K8 w; u
<statement sequence1>;
) X; [( q/ Z$ P2 k7 r when <constant_list> then
" n; R. _( q4 b& \5 @5 U <statement sequence2>;" H* A- ?1 @& d5 K
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else
) g" ?/ H. B$ r* d1 W' g% ^* n) B <statement sequence3>;
: R! u9 f) W4 H) O/ jend;* ~. o+ q9 l/ c
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2循环语句0 j" @" x/ Y: C% |6 w6 y, H" d' e
(1) from <statement sequence1>
5 X R! s& ^ M9 d. x until <condition> loop
! [ A5 J1 ~4 t, p5 x9 B <statement sequence2>;1 N8 \* Q! v( C: `- \
end;% e% ^: I# D' p- G, j0 X" r+ @
(2) while <condition> loop
, w; y! M* p3 x& R& z/ L9 s <statement sequence1>;
$ w+ S. q9 r6 r& ] end;
% }7 q/ ]" G. `6 U/ f7 n; a (3) repeat ) k1 L# G. L. ?% k
<statement sequence1>;' |% O y7 b& }: [( j* S9 j8 d
until <condition>;
. U( o4 u! e n (4) for <condition> to <condition> loop
6 `8 i2 M& m7 B3 n! | <statement sequence1>;
' E$ @! l4 [( Q" q next;
7 S# {3 R& T" ]0 h3中断语句9 i. z! a- t: e+ }( X. N) D! U3 V
waituntil <condition> prio <integer expression>;
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6 ^' z, g8 i y! D以上为常用的函数！
1 X4 A8 W* _% I2 }/ I. M还有很多，如有需要我把资料发到你邮箱里 : w+ L% e( z# K3 {; @( \: D
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