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发表于 2012-11-13 08:48:12
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1判断语句
$ H3 i% f$ E& } if <condition> then! z9 l6 i) Z# d7 ?9 W4 C9 [
<statement sequence1>;+ p6 ^: N/ o: g2 b' [! c* z0 |
elseif <condition> then
% r0 a) U' Q9 i& V <statement sequence2>;; K1 S) k+ ]( y0 h$ ~. E
else * R( u# h' F# C5 s2 ^" s( ?& K
<statement sequence3>;" v. d6 Q. w# t
end;
) S9 J- u: e; C' W' W$ ?5 f8 d如果分支比较多，用：: p4 s: j" p5 ~; }' T2 i5 d) W
inspect <expression>* T. a+ T" G) u0 B. Y
when <constant_list> then
5 `2 t9 _ r4 G- U <statement sequence1>;
; P6 y$ j& l' u3 X$ j8 Q6 ~$ O* v when <constant_list> then% w1 P5 ` }- }7 H( Z! J
<statement sequence2>;4 a' `* o5 L2 v" o" W
...
0 `# l' r( A6 Z1 y else
( @+ V! y: d: Q1 E% B0 S! ~4 g <statement sequence3>;1 R [3 R' O/ V8 R5 ]2 v+ I( V
end;
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" z3 ^6 U' f2 Q8 ?+ r2 [2循环语句
" T7 C# f* ~4 Q% o7 J (1) from <statement sequence1>1 [8 J+ L5 U0 y* P* Q" X: s% U
until <condition> loop
! o+ N ]7 M* `( Y. O <statement sequence2>;
/ ~0 ]& [" r4 n Z) Z4 r. o end;7 }" n8 Z+ r8 o9 h8 r
(2) while <condition> loop
/ V' \, ]5 U3 f; P <statement sequence1>;% r) U$ l% i" Z" Z$ D
end;
" ] w7 r( q T* i. R; Y (3) repeat
5 c! h* k3 x& L7 h <statement sequence1>;
) r: K; F+ I/ L until <condition>;. A, t# o' G' l+ O. [8 d" U
(4) for <condition> to <condition> loop. s$ m; J; d5 ~7 {3 p$ [7 K
<statement sequence1>;
$ r# E# j# b1 D next;7 |6 F+ G* R; Q( k7 M& I% ^
3中断语句
c2 H& Z2 }) H- ] waituntil <condition> prio <integer expression>; F$ M6 N0 A! O- I
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; E: a, C [2 h8 k3 F以上为常用的函数！2 l% a I5 Y/ T) _! V6 z8 U
还有很多，如有需要我把资料发到你邮箱里 E' p2 C( g l3 y5 o% e
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