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发表于 2012-11-13 08:48:12
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1判断语句
# ^( `( M# A3 l+ z9 O. F if <condition> then
2 L* T4 y* ?6 Q6 B. K2 x7 B <statement sequence1>;
( F, ~! Q' S/ @. U# @4 P9 Q elseif <condition> then0 _, x: E1 \) }+ y- Z
<statement sequence2>;
7 C& m% }' m" t# f1 b else 1 H- Z$ _- i, M5 D
<statement sequence3>;; k! _2 v* L3 l) [
end;% U+ H! \ n' [6 G
如果分支比较多，用：; H& I U7 b4 U: V/ t
inspect <expression>4 \% j# j3 Y& M- u J6 y4 i
when <constant_list> then
, _$ N: ]$ o/ P8 P) ?, e <statement sequence1>;# N2 f( \# O; l/ @9 g) `& T
when <constant_list> then+ v: r/ g4 Z T% G) i k
<statement sequence2>;# Z8 j5 }' o0 } z7 H5 ~
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else* A! w) |; c! \2 A
<statement sequence3>;
d. T! Y8 z4 G" e$ A" u. ?% {end;
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2循环语句9 a* H7 u/ O3 c; X
(1) from <statement sequence1>% T6 a1 H3 F, @0 e; j0 I, k
until <condition> loop% j2 \4 L% M }! P! W7 ~- K8 j
<statement sequence2>;4 B7 ?2 J: w' {. O
end;' }, X$ E- a, p" r. H G
(2) while <condition> loop/ N; b9 j4 F# |7 I
<statement sequence1>;: Z2 {6 r w) J N1 B2 X" L4 ~
end;
# C& x1 l) k8 B1 l, k (3) repeat 7 c4 t( H0 n. [
<statement sequence1>;, q2 t# t7 y- d2 D+ M( m k
until <condition>;
: i: W$ U! _& ~: P1 b (4) for <condition> to <condition> loop. [& B$ v, U) ]8 \' _$ f
<statement sequence1>;2 j" j4 s/ e) ]) y8 E1 l
next;
9 w% v4 L& x' S! E8 C1 G, m% |3中断语句
c1 q: W) q! X; k' v8 t waituntil <condition> prio <integer expression>;% v1 Q d, b% {4 G
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% F8 t* U, j/ H4 ]8 `. e# W5 ]. H以上为常用的函数！8 s8 [+ b+ t, G7 h, M# e0 r
还有很多，如有需要我把资料发到你邮箱里
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