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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
$ C( I+ e0 _8 q6 o" L if <condition> then
! w6 j* n6 q7 H' Q2 O4 I F <statement sequence1>;: n8 O. P8 z# i v* \
elseif <condition> then
6 n& t1 s5 ^1 f: Z' T <statement sequence2>;
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<statement sequence3>;2 M+ N; `9 I* }7 l/ a* i
end;
" ], v2 g: Z% c5 ~3 g如果分支比较多,用:: h3 Z! a& c5 N9 c8 W
inspect <expression>
, [: j# ~5 k' T+ _ when <constant_list> then
0 }3 V8 P4 n; p! R( ^ <statement sequence1>;: }4 ?3 G4 k* f' A, o
when <constant_list> then
! t, [. w: p2 A; R6 @+ t* [: y <statement sequence2>;7 b1 W8 c; h x0 V' \2 g" e9 l
...
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<statement sequence3>;5 V2 I: T3 L+ _
end;) {0 _3 c7 h3 a' P H
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2循环语句
- p) D# A# u' x2 `5 {2 D (1) from <statement sequence1>& J$ \6 x& V! G
until <condition> loop& H" P2 J& T# j6 Y9 t5 r
<statement sequence2>;( H- Y+ @; m/ D) F5 b
end;
" d) U x( m+ p/ t5 \& j7 d0 e (2) while <condition> loop+ M: A% i; v0 D6 }3 N' S* o
<statement sequence1>;7 c+ H4 a1 x% P" H8 x
end;' B3 }' b! |# k( I* ]- B% {
(3) repeat 2 S e% l0 o; H# }
<statement sequence1>;1 p: Z1 j+ R5 m- o- V
until <condition>;
/ A8 {. \, O1 {8 |2 q- L0 \ (4) for <condition> to <condition> loop
* Z( V0 J! R% U. K/ @4 F+ T <statement sequence1>;
9 h% y/ [- d$ \: \6 f next;
3 O! d% S, h# C# B3中断语句
! u* V( s1 Y# h+ B+ l+ Q waituntil <condition> prio <integer expression>;
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以上为常用的函数!1 V/ l4 f' K. u$ r4 V, y/ l: ~; n* |
还有很多,如有需要我把资料发到你邮箱里
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