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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
1 i8 f' A, V; q5 [ if <condition> then
@; V9 {* _, O6 \. D <statement sequence1>;9 q3 i$ L. r7 q/ i9 f5 b- F
elseif <condition> then& s* L) S) s2 S, S* A) }+ c* P
<statement sequence2>;( x2 C$ U! n5 _4 Q/ H% p
else D! }& U K- k# }* Z( n; L
<statement sequence3>;
( c% \; `9 b0 [. f/ j! O end;
' Z% C1 Q1 T9 p! F; @* W; ]如果分支比较多，用：4 K3 M; |7 H! V8 H: t
inspect <expression>
; t$ z' c- c" T$ D3 ] when <constant_list> then5 D% D+ [$ Y5 }. {9 k
<statement sequence1>;1 q. x$ z5 \# f6 x) R2 x d2 E" U
when <constant_list> then) \4 P( w' J( I) x- D& W$ q
<statement sequence2>;
( B; \, t! H# X* \; ]7 @# u ...
( `3 g0 _# \; ]# c8 b X- b$ d) \ else- d; R0 H5 O" F9 Z E4 J
<statement sequence3>;
% s5 j8 i* N6 [9 o6 |% qend;
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2循环语句
|( ?3 g% V1 k( B( p (1) from <statement sequence1>
5 i1 l, i5 K+ D D1 d2 F- g' c until <condition> loop$ |- v0 ~+ M) o) X* x+ `$ q" D$ M
<statement sequence2>;' q: B T$ |0 W( ?) i* {0 \5 s3 p
end;
; K4 L# H& G: r4 N4 f5 n" c (2) while <condition> loop9 y( U: z9 M* _/ J1 c$ g
<statement sequence1>;8 {4 l4 G3 R& r; Z+ c
end;
2 U2 s& t6 U: \! x (3) repeat 9 C( D+ p8 W1 T% a6 A; t
<statement sequence1>;5 f" w9 Y1 P6 X# d* ?+ y6 a& h
until <condition>;
. i3 i: x& Y* h8 J (4) for <condition> to <condition> loop
8 m. a4 X6 X; x9 f H$ I <statement sequence1>;
; B4 x: Y0 N, z4 x next;8 i' e* x3 N3 G+ r3 H
3中断语句) L) b" I" J- X7 C8 m
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
/ _* {+ c+ u- C& L还有很多，如有需要我把资料发到你邮箱里 . E! ?6 G2 q/ W0 r# h
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S3 \+ M! U) K; v" w1 n6 t
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