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发表于 2012-11-13 08:48:12
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1判断语句
, G u. l( p' H1 k if <condition> then6 v' B8 |& }5 K, O- A' c+ W
<statement sequence1>;
0 v0 o- p! U7 T$ t+ {1 a. `% h elseif <condition> then/ u/ w( k1 R8 r3 |
<statement sequence2>;/ G8 N7 t: ]; j( Z: q1 K" B* G
else
- B, u" v! Q3 e+ p6 ^0 I8 p* |* U: ? <statement sequence3>;
7 z3 d. }) u! c* |; n% H p% g. d end;
% l( }) B8 C3 i. R1 B$ O5 c" p, |如果分支比较多，用：
) q" t# q7 d) m( h9 s6 Z9 i inspect <expression>1 f5 a4 w' T1 U4 X9 c- S
when <constant_list> then
$ N& U, L' @: e+ U* r+ c <statement sequence1>;3 u3 \: F s( \7 ?. ~" }
when <constant_list> then
* C6 P$ Z W7 s0 B4 v/ ` <statement sequence2>;
# X8 C! G) u' y+ ?" y ...
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<statement sequence3>;
3 s/ |" M$ l1 K8 j& |* K8 aend;
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; O2 s4 f% T4 m7 r- W' @$ m2循环语句1 S- C# p" e/ ?0 }% v& g$ {) J* i
(1) from <statement sequence1>& p) [6 S3 C. ~
until <condition> loop
2 B3 ?4 ^' f( N% n) L <statement sequence2>;
6 y8 k/ C) d+ i( a end;
% U. _9 V$ D6 F" B3 o1 m (2) while <condition> loop
& Y# M$ n2 t* M2 \. v. T/ \ <statement sequence1>;! [+ h) ^2 K& O: U2 }7 p" w
end;
, X' W9 u" L$ h (3) repeat
0 t1 E7 X+ I0 a1 J <statement sequence1>;
9 b( m+ y. H$ X' O5 @" r until <condition>;; c7 {+ `4 ? C8 i
(4) for <condition> to <condition> loop
, b% m! }4 D: Z ? <statement sequence1>;
L K7 N5 ^" ?' b; }; c8 I5 h next;
7 p, p1 B% Q+ Y5 K) N' o3中断语句
$ n4 e i6 G- U waituntil <condition> prio <integer expression>;. p. }. }4 Q2 @/ y" n
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以上为常用的函数！! \8 o. K5 j+ ~0 B3 s0 `
还有很多，如有需要我把资料发到你邮箱里 ) G/ v/ N% r2 L6 W! j, m' h7 _
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