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发表于 2012-11-13 08:48:12
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1判断语句 ~$ ^' h5 z$ E2 D1 J; }
if <condition> then
* p& I8 y' v- y! y <statement sequence1>;. j, d: I/ l( q
elseif <condition> then6 ?$ j* j2 d, M; Q/ G
<statement sequence2>;7 ~( c9 z# C* ~$ v; f! T" z9 Q) b% w4 s
else
' z" t) u: v1 y8 W& ? <statement sequence3>;4 h+ |2 \4 H1 Y
end;9 [* L2 s! F/ B) o, z! q
如果分支比较多，用：
2 r# A$ o! B# M inspect <expression>
+ d' g( s* v( D2 k3 u, r when <constant_list> then: c0 x2 ^" f0 e/ m* V. J& v. }. x
<statement sequence1>;+ |2 ^4 ]" m' h' S$ U( o4 T& H
when <constant_list> then
7 A w& k* K' ?% O8 \$ P <statement sequence2>;
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else9 `" K* ?+ s8 t0 P# [$ }% N, J
<statement sequence3>;' e& o3 u: G% {( F
end;2 a' F( ~: k: e9 |( F! {$ }
7 g: f* A9 Y3 G' k+ x; Z8 L2循环语句- q' j; [4 [8 Y% @) J6 V- X$ _! C; V
(1) from <statement sequence1>
: `2 g% L% J# j/ n) Y until <condition> loop5 Y# O4 D% x* Q9 M
<statement sequence2>;
" }/ Z" P9 M/ X+ Y end;
4 H, G) Y- d0 l8 n (2) while <condition> loop
" n7 B9 C% ?3 { g: y <statement sequence1>;
, Y, }- ]2 I9 {, d+ ^8 K8 @3 p2 x end;
R5 ]$ F! H* b5 u (3) repeat ! w/ N2 u% _% l X( a n
<statement sequence1>;
+ u0 ]/ y l# y until <condition>;, \. [3 n+ G2 f% ?/ @) {. t2 i
(4) for <condition> to <condition> loop
% w Z2 V* E) Q& ?8 J/ x <statement sequence1>;
" P. P; |8 ~/ j7 H2 K) m% n/ p, H. E next;: G. F* L+ z( S7 N: _ K
3中断语句
w) v8 |0 H. h; i waituntil <condition> prio <integer expression>;
6 {& n. m2 a! w `: t; W
/ h: M" w( r( U
1 S- G4 i, t/ }( I, H4 G9 r/ z/ c以上为常用的函数！
% z( @; h: G9 L还有很多，如有需要我把资料发到你邮箱里
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