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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
! M& L9 n9 o, i& q7 [+ T if <condition> then9 Z' k) W1 t& v' r, Q4 i( }5 y' @
<statement sequence1>;
& S" l0 s3 E9 G" w elseif <condition> then
+ W, s' `4 W- a1 O$ D; Z: H& |) v <statement sequence2>;8 F& N. D8 i! `4 w$ @
else
$ r4 R3 w, {/ s1 x$ z8 b# p <statement sequence3>;
+ J& w5 `- G* I& ~ end;
3 s& w9 Y7 j1 k4 h9 J如果分支比较多，用：
5 t* i" w; t, R7 I' q& n inspect <expression>
8 [' Z: F1 Z' t# Q( `; { when <constant_list> then
( q+ S. L! {" v9 ~% \ <statement sequence1>;; ?/ V7 P j& @5 }6 S+ V7 o! W
when <constant_list> then
- J5 y o$ z1 u h4 ^ <statement sequence2>;- Q. f8 }" N7 t
.... l" U u2 Q2 I2 ?# ^4 l
else
- @( e/ [# |' q5 V& [ <statement sequence3>;
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) m& x# Q( v4 F& p' r4 G2循环语句
* H- Y! t, y) F (1) from <statement sequence1>6 s3 o; K4 y1 p! E# j- a
until <condition> loop) R! s/ A5 t6 P+ m: G
<statement sequence2>;; z) W1 z; A/ f) @
end;
2 V. Y9 v5 w2 W& i: C$ p (2) while <condition> loop' r- |2 Y, V5 w1 t6 Y& d) R
<statement sequence1>;" |' L* _+ F M( D- T
end;
0 l6 x4 ^& A( q (3) repeat
( B2 W) y: t! }' ~9 m. i <statement sequence1>;
$ N4 ?1 r2 ]5 ]* U* A' b9 A until <condition>;
' \; Z) K3 V: x; p (4) for <condition> to <condition> loop
' {- }6 M9 m$ z <statement sequence1>;
( h- R3 \9 s5 G next;9 ^ l2 F9 n: Z) a3 e
3中断语句
/ B2 ~1 H' W W, H4 V @) o waituntil <condition> prio <integer expression>;8 Z# j I c6 N5 c `+ u9 f
I: q6 d! g! W+ i& N
6 J( }! { T) K5 s以上为常用的函数！2 Y5 z2 j) h; S, D" G' r K
还有很多，如有需要我把资料发到你邮箱里
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