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发表于 2012-11-13 08:48:12
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1判断语句
: }9 F5 i) X# F. H; ~ if <condition> then( a9 C9 _; J) `9 @( d' L, S
<statement sequence1>;
: w' l' Y U* L3 b. l elseif <condition> then
7 r1 P1 n! v" }: L <statement sequence2>;, [, [3 D7 R, e0 Q
else
% E. ~( }+ k W' S <statement sequence3>;
1 K1 ]! a- Z5 S! W9 k end;8 ?5 w+ H0 }* |
如果分支比较多，用：
5 y5 j5 y I$ L( M; I inspect <expression>
4 |+ m- J/ S6 X5 r when <constant_list> then
9 h2 X+ x" A) ~) `0 m4 E, K, _ J <statement sequence1>;( e2 H) E' y- q6 m7 l
when <constant_list> then
* \3 x+ m6 f* K; I4 C0 ` <statement sequence2>;
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else4 b- V$ V# A( ]6 c; V
<statement sequence3>;5 q: ]2 H% c( B$ O; H6 P
end;
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2 w2 {" c* p' |! A2循环语句1 m, T/ r* M$ {4 F0 B* |* w8 Q7 Q
(1) from <statement sequence1>
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<statement sequence2>;
/ d6 S. f- i! F/ K) h end;
- T, h K% K4 t) W6 H/ a (2) while <condition> loop
$ ~5 {+ [' U5 X <statement sequence1>;
3 A% v8 b1 d0 F1 C: T6 D& |" s# i end;
# n" g2 m; @' o: [. V2 w5 m (3) repeat
4 D6 c" b* ~! Z- _3 i <statement sequence1>;
8 }* v' @$ v" b6 F until <condition>;6 W" ~% h6 F" W S T2 ^4 b) ?
(4) for <condition> to <condition> loop1 ~0 F2 p. B8 n
<statement sequence1>;4 U& ^% S4 R3 t
next;1 I- t3 c2 p9 k* |; t& l, D8 e
3中断语句
5 G: K/ |( ]' k5 g( R4 \. M waituntil <condition> prio <integer expression>;
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) @& v c: i9 P/ u8 m! ]; D; x R以上为常用的函数！
: r+ o6 e" k7 ~$ x( j还有很多，如有需要我把资料发到你邮箱里
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