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发表于 2012-11-13 08:48:12
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1判断语句9 l p, z7 m+ s P* x/ W
if <condition> then% ~* c7 X2 Y& \& s- _" |; Y9 `1 D
<statement sequence1>;) ~/ C0 P, v. D% e% }5 h, X/ W
elseif <condition> then
" g, b+ [, I8 j1 @* J <statement sequence2>;
Q5 ~3 V; [. o6 A% f else
* N8 H. ?, M+ l/ b$ E* @0 n <statement sequence3>;
5 \. P# W8 \7 `4 e' \# k5 t5 W end;
8 t( l1 N4 U% }0 o如果分支比较多，用：' T: [% ]% W7 `/ f" Z3 T- f {; g
inspect <expression>
; I% M3 b- C( G when <constant_list> then
$ O( G" v! b6 J <statement sequence1>;5 J$ K, v q1 g5 t
when <constant_list> then7 [, x+ Z0 u8 ~
<statement sequence2>;
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else6 M4 j$ {6 ]3 Z* J: }( S/ Y# o
<statement sequence3>;
% k$ e, Z* u& d+ k7 [9 Tend;
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2循环语句
# L. S& l0 S1 |1 b" @3 V (1) from <statement sequence1>
, ~0 S9 o$ p( t until <condition> loop
0 ~- Q" C1 r* [$ x4 ? <statement sequence2>;
1 \+ o3 L" L+ \" M6 z; u end;# \ a6 o6 q( _
(2) while <condition> loop x; P8 T7 j* ~. f- Y. G- }0 r
<statement sequence1>;) }) V( Z, C4 n- Y8 |
end;
5 g' u- t. \4 @7 h% s+ o: g( M (3) repeat 4 u p+ U0 N* C3 |6 K- g8 ^9 ?9 P
<statement sequence1>;
( p6 k3 Q4 l# m; x; X until <condition>;
( `8 T4 c; t, v/ a5 |! m4 l (4) for <condition> to <condition> loop; d* ?9 {& W+ F4 W4 N6 a- g0 X4 Q
<statement sequence1>;
2 ~! i: n' Q+ n$ h4 s3 e! k next;0 ~2 J/ A/ C, q! ~ \. y
3中断语句. D( w8 f2 }3 W2 P& ]5 Y
waituntil <condition> prio <integer expression>;) y: e* ?; {6 H1 w: [0 D) m
- f( k( J# E5 J; K; E3 f
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以上为常用的函数！
2 a* W# a& p% v# B还有很多，如有需要我把资料发到你邮箱里
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