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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句) Y" ^& @ g/ u3 `
if <condition> then9 t" u' @, C- x, m0 j
<statement sequence1>;5 H3 O) P& x8 H) C G
elseif <condition> then4 C2 z( A; N( M# B% E2 y0 @! L- Z5 v
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多,用:% E+ a1 b. e3 ~# k0 F8 Y
inspect <expression>
! {6 q1 ]3 {1 H when <constant_list> then: b f& ]9 ?- G: {$ }9 U
<statement sequence1>;' P. Z( z0 a' T# M
when <constant_list> then
- k/ I9 Q1 m- W# r( a; J+ m& ` <statement sequence2>;
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else5 ?" w: t5 s8 k) K
<statement sequence3>;
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2循环语句
8 L9 f/ W; e6 Q (1) from <statement sequence1>% I. W0 C+ G8 D* Z9 W9 E
until <condition> loop* i/ l' \1 l- c, g0 H4 S
<statement sequence2>;
, q3 p1 f, u- [, E I end;
l: b+ e$ }$ k- U (2) while <condition> loop
# w3 j/ k, `% e <statement sequence1>;* a6 O0 r' `8 Y3 _2 p: M( L
end;
, [- u3 G5 \6 F( p' g (3) repeat , G; D0 ^/ c9 Y+ U7 r
<statement sequence1>;
& s1 P0 Y' O2 k% H until <condition>;: M, [0 s+ S; r9 { i8 e9 c
(4) for <condition> to <condition> loop' c9 ` N& v- M( ^5 N# U V
<statement sequence1>;
/ J, }9 g. m4 `% _, e next;
. N1 n+ f- Q9 T1 ^' L5 I3中断语句! ~ x& n) i7 r
waituntil <condition> prio <integer expression>;. S4 @* \. x- f9 d3 g
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以上为常用的函数!8 ?( J* d4 d4 X; |# V* Y) ^* w
还有很多,如有需要我把资料发到你邮箱里
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