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发表于 2012-11-13 08:48:12
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1判断语句 T+ P( {3 p" [# g7 r5 X. C
if <condition> then
0 _' I& T$ C8 g* Y <statement sequence1>;' e; ~- s& T* t+ J q: B P- z
elseif <condition> then
% ?5 Q s7 T# k( J+ S6 L( g, v <statement sequence2>;- j5 k+ Z4 ~9 ^- ], H6 t6 |
else 8 a0 T2 Q, P& ?+ {
<statement sequence3>;
) l( ^6 R- K# Z) ?' y9 i% @, L' F$ _ end;
; l. U8 l! M9 z; x& ~: U8 R如果分支比较多,用:. o; _8 T# m4 l/ s0 y) \' [. x
inspect <expression>
! F" T+ [. {) n" e when <constant_list> then7 h2 y$ q+ b- B* {8 P) W: r8 Q' g
<statement sequence1>;
6 Q* A) B4 ?5 p; ` when <constant_list> then* i( @6 X9 e* ` R l$ L# c
<statement sequence2>;0 X5 g$ |# w; z
...1 y) ^5 i1 K, R
else
( T$ j( B+ y+ h: h7 Q <statement sequence3>;# O1 d; w8 m% W1 Y& O* t: S# d
end;* j, n7 K$ ]% D
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2循环语句4 P! g _5 |3 e! t- D
(1) from <statement sequence1>
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<statement sequence2>;, q8 s1 j7 X$ \5 Y" b6 f: I- e" b, [
end;
2 T, y; N# O; d; F (2) while <condition> loop
8 j$ H- Q/ S! S7 r6 i <statement sequence1>;- Y/ j! a& }+ u: y
end;
7 D& z$ q; j5 u' U2 q1 ^ (3) repeat
6 g& m$ R/ X2 {2 G5 M0 z$ J$ k <statement sequence1>;
* j9 g* {$ a# i5 H; P/ K until <condition>;6 U8 j, t' U F& V
(4) for <condition> to <condition> loop
* k" K+ f; R, B) p/ O <statement sequence1>; H7 A: K9 ^+ O
next;0 O4 v) k- m+ b# g
3中断语句4 G6 B/ b' D$ e0 u6 e
waituntil <condition> prio <integer expression>;
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0 r/ p# N5 I9 A5 l" O7 ?以上为常用的函数! r3 ~/ {; m. ^; P7 K% V8 A
还有很多,如有需要我把资料发到你邮箱里
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