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发表于 2012-11-13 08:48:12
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1判断语句
. N6 B' g6 u4 T- F) w if <condition> then _* q. C; K" A7 P
<statement sequence1>;/ k8 X& }2 C- Y/ \' L
elseif <condition> then) W6 c. g% I9 K$ m5 u
<statement sequence2>;
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<statement sequence3>;) O% A" F8 W, U( e7 }$ h: N
end;' l L* j; V+ d& e* M& G3 w
如果分支比较多，用：5 {# @2 Q% G6 ]/ a& y
inspect <expression>
9 c/ [! q' Z' h, b, w4 I: C when <constant_list> then- e8 A) W* Y; E0 G+ X
<statement sequence1>;4 ?. ^( ?6 L, n/ N4 P
when <constant_list> then
4 k+ S/ f* U2 j2 N1 {: h" _ <statement sequence2>;
3 s! S, h# ?- ?( V: u ...
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<statement sequence3>; _5 q8 b% l4 H* D( o
end;+ X7 h. {/ Z+ ~& ^4 P" @* y( T& c
" w; ?* e5 l/ P2循环语句
) z" E. g8 M' p% f4 U (1) from <statement sequence1>: H2 F* {% j) p3 W
until <condition> loop
; G& A* O" X& B <statement sequence2>;
- Z. o9 \* ]2 v+ B* Z end;
2 U7 l: p& |1 l7 P% A* K+ t( \ (2) while <condition> loop/ E2 K$ O, l8 e. v
<statement sequence1>;
$ ]: ^5 c* W. }/ p end;* X4 a6 h: y8 |) m& O) {
(3) repeat , U2 c# f& x8 G/ H
<statement sequence1>;
. Y. A3 U2 {( [ until <condition>;( u& G& U( J. d3 z \: R
(4) for <condition> to <condition> loop
4 q) u+ ~+ Y3 R7 v <statement sequence1>;
9 s: c7 q; i6 i# L0 \+ D0 } next;
1 w) M3 i1 g, z6 T3中断语句
; s2 `* z+ u; y( ?: U9 G8 Q waituntil <condition> prio <integer expression>;
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以上为常用的函数！
* ~9 D, \! D3 S, }( ?3 I& j还有很多，如有需要我把资料发到你邮箱里 0 @4 y/ c2 Y1 e m) B8 K& j$ U$ v
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