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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
" p6 @+ W' N+ f6 W# O if <condition> then
, H s7 z3 P* o' g <statement sequence1>;; g2 v' F5 F, I) G
elseif <condition> then, q+ n4 M6 K( t$ u/ N2 M
<statement sequence2>;! y: p, H6 ^8 ^: ?( }. O9 K Y
else 5 J2 k( j. Y2 `3 f
<statement sequence3>;
, X4 r0 r6 w, {- ^* B0 [ u# o end;. _4 R9 M( M( q1 x7 \8 v9 K# Y
如果分支比较多,用:( G% a6 P2 h0 P( S2 }& |
inspect <expression># K; o! ^! M7 j8 K2 L
when <constant_list> then
' ~* _1 a7 B, I3 U$ f <statement sequence1>;6 W- o6 k. @) k3 o( F# v X
when <constant_list> then2 e# B$ w; z- p0 k
<statement sequence2>;
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else9 y) n& m0 o, b, @9 X+ p
<statement sequence3>;+ K3 d8 h/ G# j, s- _( P9 c9 a# m
end; L. Z$ R, O. p& x- {, p9 S
* L4 F8 q$ ]: x1 Q2循环语句 J) F$ O, @3 g# C9 P# ^! T6 N
(1) from <statement sequence1>$ ^% ]/ l; G5 w8 C2 F) E4 I8 Q
until <condition> loop; b; \0 J2 J' {8 Z0 e3 \5 Z
<statement sequence2>;1 a8 y* B" B" E0 T, }* X5 ]: o2 V
end;
g% W! G' A2 U8 J2 m- G3 v (2) while <condition> loop
8 `2 a& q/ t/ y* I; f <statement sequence1>;
6 p" E! k- }: G$ U, \ end;
A* C8 ?4 B7 K" Y0 ]7 @0 p (3) repeat 8 C; y t$ S6 o# K7 M' K; X
<statement sequence1>;4 |, a, @) e7 y% c5 y: _( x
until <condition>;, P. P2 g0 c+ m
(4) for <condition> to <condition> loop! e# V6 ^) P1 Q- `' E
<statement sequence1>;
5 I2 z2 p" T: t; E next;
, f2 @8 {# F- I3 n& d. R3中断语句5 p9 `* E* [8 n- f
waituntil <condition> prio <integer expression>;
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以上为常用的函数!+ G6 j5 B; {$ q
还有很多,如有需要我把资料发到你邮箱里
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