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发表于 2012-11-13 08:48:12
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1判断语句1 W+ [% w8 S X! Z) D
if <condition> then
' G' F1 ^) q& R5 w <statement sequence1>;7 n, A; @8 J8 ?
elseif <condition> then
- m% Q8 k% h2 G6 } C' T- K6 J <statement sequence2>;# Z$ U# s7 v+ W* M5 d J
else
1 |6 D3 ^: z& g1 c$ @ <statement sequence3>;4 H% Y# `2 d ^; A& S1 [% r
end;
1 ~' S8 v# |. w; I, A如果分支比较多，用：
6 W# K: \% @ i' m+ T6 @) m- J inspect <expression>
2 [) q( W7 B. ? when <constant_list> then, O* m* Z0 @% l# l/ b& i' ?
<statement sequence1>;
$ D3 A9 w2 D2 E when <constant_list> then
2 m9 I2 t, [6 z* n y& n* l4 V# Y <statement sequence2>;
7 U; A' {& z$ d o+ c. P .... P, F1 r+ T* C/ U; O
else
8 j) a3 B; W4 e7 ]0 W& }2 @ <statement sequence3>;1 t/ o8 l# `2 }9 b" g
end;" m. T+ L: d3 z' E, W. V9 t
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2循环语句1 _7 c; K3 L2 T. L8 i
(1) from <statement sequence1>
+ v( d6 N* j7 A9 \ until <condition> loop
1 P# p; [4 N3 L4 V% K/ l# i <statement sequence2>;
3 x3 o% W. B6 F- @. K0 R8 K/ {8 f end;
( _# ^* {# W [9 w9 u& n5 U0 f (2) while <condition> loop8 h- t+ ]0 E& D b Z/ M" p, R
<statement sequence1>;
3 w! T* G1 W$ G/ n end;
- @. X% k0 c+ _/ K (3) repeat
) M9 B# R4 h2 ?! `( F <statement sequence1>; h2 z$ O, p5 x
until <condition>;
: N" Q8 @0 O- f- S. X# {$ @1 m; w (4) for <condition> to <condition> loop# R8 D( L! f8 @5 [8 M+ \- Y) e
<statement sequence1>;- {" |& h5 m" U8 X+ T; C# x
next;% ], S& |( B1 o' H) v
3中断语句
4 U& }4 W% z2 a+ ~9 }' W. M waituntil <condition> prio <integer expression>; r# S8 Y3 n4 `1 r& l
1 ?8 V) y5 L, \6 Q6 ?; F
5 u, m& F9 {& k* C* Q2 x( O1 w6 _以上为常用的函数！
4 C: a$ R: ^% K$ Y1 Y( y! j还有很多，如有需要我把资料发到你邮箱里 8 S6 m9 m) A/ t7 ~
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