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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
6 d$ [, `: u5 E- @* ` if <condition> then# K. k, Y+ I# J7 K u' I
<statement sequence1>;
- }9 t' y; A! x+ \ elseif <condition> then# @6 x' ^. F- _- E" d( ], l
<statement sequence2>;
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<statement sequence3>;% r) e* S. P$ \# w% q- {9 F% W
end;& z4 e/ T5 x! G P6 n5 I1 E
如果分支比较多,用:
+ {/ W( `0 v7 H- y0 K inspect <expression>
8 c7 S0 k$ `$ A' b4 f9 d) A when <constant_list> then
5 [3 g6 z! S7 E5 o <statement sequence1>;2 n8 e2 V& M, c H, A4 ]0 S
when <constant_list> then
) {- l4 ^; t4 y/ M/ ` <statement sequence2>;
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else1 j0 A5 _. N/ e% t. D/ _2 R9 [
<statement sequence3>;
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$ m' M( z- g+ m, n3 ?2循环语句
$ ~" R4 Y; e j# i6 K (1) from <statement sequence1>( f) R8 V1 V" W0 @# s+ I7 a% p
until <condition> loop: E2 _' M+ b5 ]
<statement sequence2>;. @( ?0 b% g% ` Q1 w. I7 B
end;
% \8 `: w9 U T* h3 ~6 S. N! F; u (2) while <condition> loop7 Y# l/ K% f6 |3 u' ~
<statement sequence1>;
2 }7 O) p2 U' `2 n! u& v& F! z7 H end;
3 A B0 j5 Z3 e5 Q/ t6 C (3) repeat
8 u: G; p' H; X' K <statement sequence1>;
+ P+ g$ `' h) l until <condition>;8 Z) H( L: T( e; }; d) p
(4) for <condition> to <condition> loop2 P* R" b5 w n- }
<statement sequence1>;
6 n- C- L, ?8 j: G2 k2 C next;
" N2 U& E) @* B3中断语句: _, T1 o. z( z$ g0 L- U) f3 u q
waituntil <condition> prio <integer expression>;
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/ S0 A" v1 ^$ T3 F8 T/ q2 P1 D& J以上为常用的函数!
$ O, B" L, v1 _还有很多,如有需要我把资料发到你邮箱里 * E$ b0 q% L6 E# \
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