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发表于 2012-11-13 08:48:12
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1判断语句2 N: y$ F: P8 ^9 J6 g, F2 A4 ~4 r
if <condition> then
1 L7 ]' q/ }% _- ?( b <statement sequence1>;( G+ G) _6 k P. k& v+ V
elseif <condition> then
: ~! p8 u3 i+ j. ]6 B% Z <statement sequence2>;* ]4 f$ g+ A/ y# f! y: _6 [' m8 W
else * w7 @( N. c2 q( l, i: r
<statement sequence3>;
' t! a& U1 s2 a0 x end; _/ y4 T; Z- m, Y8 M( }6 G
如果分支比较多，用：
0 x4 m' G" [% W5 c, ^# }- r( X) I- u inspect <expression>: D7 L3 x$ K n
when <constant_list> then
* \& T! G: ]. B+ M& W2 {7 l" @ <statement sequence1>;1 E; b. l2 x$ |1 c
when <constant_list> then7 j: p. b; b3 K
<statement sequence2>;" P0 O% A- k" H9 x% h* f9 ]
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else
2 t/ k! }) }( g/ f <statement sequence3>;
8 |3 ^7 b1 B+ B: M% I: d" Aend;
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* u1 c, x( O$ N* Z2循环语句
# g7 [$ K8 O! t2 L9 y (1) from <statement sequence1>' w& o+ P/ [; u9 t
until <condition> loop7 [# u9 w0 l* L) j/ m
<statement sequence2>;" z7 X$ X0 i$ ?; p
end;
: Y* j+ u$ e' T2 F, m' [ (2) while <condition> loop
& g9 {- Y6 j8 B6 h5 g' s <statement sequence1>;
& c8 }6 N" M& _9 z end;
* n, e# C6 o$ x) E (3) repeat
% a7 D- q& i8 w: |4 L! ?- E <statement sequence1>;
- M/ }0 L" _0 o7 X' W6 L" ]1 X0 N until <condition>;
- p8 _' p: ~7 f( M7 n1 k+ h3 N3 v (4) for <condition> to <condition> loop' G" M: `* l3 Y( m5 D8 A
<statement sequence1>;
' @7 p/ i: f% F$ Q s+ C1 C4 ?7 y next;4 \6 Q, w. }% ^" t5 H
3中断语句
( `) x, r' T# ^! e \ waituntil <condition> prio <integer expression>;
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以上为常用的函数！) V2 Q2 M- D* V" e5 L" Z
还有很多，如有需要我把资料发到你邮箱里
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