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发表于 2012-11-13 08:48:12
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1判断语句1 R7 \; w7 H" Z1 F; ]/ r
if <condition> then: j' T) M: W7 V8 _
<statement sequence1>;
" l, _: ]' Y+ \% `, o elseif <condition> then
# c. P, {! O) t" T$ } <statement sequence2>;- Z( |/ a5 R2 c+ D) u* Q2 V9 ]1 D
else 8 a0 _* V; ]8 a% N
<statement sequence3>;. o1 H6 e1 b* U! M/ W& ?& {6 ^
end;
7 O+ I1 C1 d+ T8 `9 R5 [& ]3 X如果分支比较多，用：% z; O3 g+ K. o
inspect <expression>) b+ T: ~" @. c
when <constant_list> then
5 Z$ |* `1 S* ` <statement sequence1>;- [# D+ y" m, C: @+ P# f% j
when <constant_list> then5 [4 \ L Z# F6 a! Y
<statement sequence2>;& D2 v. p; P( m6 P# ?
...
0 p0 V' {7 W0 d" {+ q- @ else
& `& t3 d, H+ U <statement sequence3>;* K- k. g: ? e5 F" C7 r. j" F
end;
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( M# e9 S% T, l# o7 h8 u* a$ a' n2循环语句
! L) C/ r0 y9 P3 f% _ (1) from <statement sequence1>
8 y# A! l8 P+ t" l until <condition> loop
5 B' k4 b7 O. v, j% B& O <statement sequence2>;
0 ] {" D( i* Z+ [. m0 ^ |& [ end;/ ?$ Z; e. z1 _( o. l
(2) while <condition> loop
) _) R' i/ J+ r5 e \# I! Y$ T <statement sequence1>;
" m! ?. B5 g! z9 E end;
0 ?' F3 Z" R( v% }+ F (3) repeat ) u: o* E7 g9 a, x: x% ]5 g C
<statement sequence1>;
3 N( p" X7 J' \8 ~ until <condition>;6 V4 ^6 u9 W- \% H3 A- ]0 V8 D
(4) for <condition> to <condition> loop
9 k" g4 m( y/ G5 S7 K8 y6 A) x6 L! V <statement sequence1>;9 B7 n8 G* d3 U( L
next;
3 C3 ?+ ^/ Y7 H5 x7 N3中断语句- R; }3 X$ T$ Q. r& `# H3 z4 ~# e
waituntil <condition> prio <integer expression>;
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9 Z2 ~2 x0 x& j" r4 m以上为常用的函数！! P: `: N, T8 G% ^0 U- s, f
还有很多，如有需要我把资料发到你邮箱里 - R) H% M9 o# h' [
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