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发表于 2012-11-13 08:48:12
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1判断语句
0 d: ^: p+ J$ P if <condition> then
/ L( C' H1 d, m1 I' K4 }/ B <statement sequence1>;
! u) V$ H; U1 V; b2 Y elseif <condition> then, }; t$ e" d0 I
<statement sequence2>;
4 I/ g ]( p$ b else ; o! A- W1 o. v: U$ U2 X) `
<statement sequence3>;% m4 E4 s3 _6 {, l4 Y' f: b: k5 b' H
end;% f9 a2 _" r, R: _8 q2 K
如果分支比较多，用：
* M) H' ]4 u" e+ l inspect <expression>" d- N$ R- M0 K& M
when <constant_list> then
8 T6 q) c, q' o3 Q, d <statement sequence1>;
& g% Y/ M& G+ e. \6 I7 D0 Y" t) V when <constant_list> then6 H% L4 F1 a, B: K/ i: r
<statement sequence2>;
! {: k; t' K, v9 `; l- t. o0 U0 B( ~ ...' c1 `) _) c9 `
else, ]. W: P4 j7 _" r4 A/ }
<statement sequence3>;
: C5 ]0 O1 \) @9 C, C3 D! ~$ p! M& ?( eend;( }% @* _1 P" d3 a1 X8 c" u% K! N7 [
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2循环语句3 T ?- {5 c0 a/ C8 L
(1) from <statement sequence1>9 R: d# |2 u9 I( E3 T
until <condition> loop
( r8 a, _: h# F' E A& X <statement sequence2>;" X$ A! f, @( ?5 Y, ]
end;4 Q/ t5 [; M8 i% Q
(2) while <condition> loop
. X$ I/ r, h" C; Z0 P <statement sequence1>;8 z- i! H% M$ E, b7 {3 O! h
end;. ?" j& C" D, A. W
(3) repeat ' U6 f4 u, U: w' {
<statement sequence1>;7 } K4 }- ~: b$ o# j! o
until <condition>;
+ Y, n2 m' p7 A$ k" w" ^" k+ |9 E$ K (4) for <condition> to <condition> loop
/ t+ A- M6 s0 Y, d3 l! S0 g <statement sequence1>;4 G& k$ b1 g0 o1 R% y+ l
next;
2 K0 {1 M5 w& g, G- E3中断语句
6 i) D6 y% Z* W [: o$ a waituntil <condition> prio <integer expression>;
0 d" Z4 B Q# X; U+ v) N! O
& U# ^4 i4 \0 b9 k, |( B! [7 U! u+ @, K
以上为常用的函数！
( z0 N8 U6 ?! H1 }还有很多，如有需要我把资料发到你邮箱里
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