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发表于 2012-11-13 08:48:12
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1判断语句) H8 \" ?" [6 V; x
if <condition> then
9 N z( A4 Q, Q: t u5 u <statement sequence1>;
, @0 }: B+ L7 ~! d7 E8 u' d0 m& f elseif <condition> then2 T! w6 @$ V/ w- ]* H1 K# e. N' \* y
<statement sequence2>;
9 `7 K9 u3 q' I. T! `4 ? else
2 x9 C: a6 w ^/ S. v8 ?- l( u <statement sequence3>;' @" n8 b* x6 O; u& |# h* {% a' ~) J
end;
( y. x5 ~, \- X; f/ }2 O如果分支比较多,用:- I8 T1 g" v3 L0 f4 q( \7 d
inspect <expression># S$ g4 p- M1 i
when <constant_list> then$ G( A) Z" v* G
<statement sequence1>;+ h' a" f6 Y: U5 A! b
when <constant_list> then
+ h" i1 K7 c0 D4 K% C5 ` <statement sequence2>;
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else
4 _" P3 o$ z, O1 J$ u- o <statement sequence3>;
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2循环语句' l% _- L4 x. W. a
(1) from <statement sequence1>
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<statement sequence2>;. v7 @; G4 H" {4 _8 K
end;* k; K8 d- o) {8 U
(2) while <condition> loop/ c" Z; B( G2 ] I7 F* s
<statement sequence1>;, E/ N$ x' e8 W: h, B8 [, O# e1 ?
end;
$ B- p' X# }/ q% H3 U1 Y (3) repeat
5 S! j8 K t5 p/ ^ <statement sequence1>;
3 J- n5 U# x7 G( L1 s: r until <condition>;0 S- R) y% h) ]# V* y
(4) for <condition> to <condition> loop
1 v5 l/ S* V7 P, K7 w2 y8 G1 x <statement sequence1>;$ Z5 n' s) y2 C! K8 W& o
next;
+ F- x9 a, D, W1 P3 w0 ]3 B3 n3中断语句
3 M6 C: h7 b) x: d; @' R waituntil <condition> prio <integer expression>;
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以上为常用的函数!3 y P+ a! w& V
还有很多,如有需要我把资料发到你邮箱里 1 O+ U0 ?6 z+ y6 C: ]% z- F+ L( u- ?
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