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发表于 2012-11-13 08:48:12
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1判断语句$ V% E, t8 y& O4 i) D
if <condition> then
% f2 p! l" m4 U( z( w <statement sequence1>;
" N- o2 L+ W' G- }2 p. p8 z( i elseif <condition> then
3 g/ v, k; p1 ?6 a9 t( R1 M* w' u+ z <statement sequence2>;
# x2 ?+ n D# d% `% _' r/ t/ d else
1 @' w3 S* {; g2 g' c+ d S# i <statement sequence3>;; `- |8 r9 Y- K) m U' W$ A# A
end;
7 h7 {7 D9 `- {: d9 Q# B如果分支比较多，用：
3 P9 o, I4 b) n9 O inspect <expression>( ^( P2 K9 {9 O9 L# S! Q
when <constant_list> then
, E/ r+ \% O: H. D3 y <statement sequence1>;
$ X4 p: D5 @( y0 |! G when <constant_list> then
5 w8 u) j! m! h* o3 ]1 e% M# \ <statement sequence2>;4 T( C0 f- b* T' {+ r
...
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<statement sequence3>;; k- d$ {0 v$ i6 N2 {
end;
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2循环语句; I/ I' E4 ^# i \! ?
(1) from <statement sequence1>
" D) m+ W8 A7 O6 n+ W+ d until <condition> loop
, W2 V% e- m( v% \% V8 ^ <statement sequence2>;3 N0 f7 V3 f( O" i: j3 l) Z
end;1 s1 E' h$ M* W$ q
(2) while <condition> loop
+ m3 y* G$ p8 ^ <statement sequence1>;" @! y7 D2 R$ W3 P1 f
end;2 I& M4 o, E, X1 W% T. w4 I% e4 Y- D" R
(3) repeat / f8 V/ K; p3 V# p8 _
<statement sequence1>;
5 u" [( t/ Z2 f+ P until <condition>;1 P2 e1 s, x3 W4 q2 A3 d
(4) for <condition> to <condition> loop: d M7 ?3 X- X1 g, j5 u
<statement sequence1>; M; N, l) Z$ c
next;
0 Q& G/ o# `, f6 p: _& M3中断语句+ @) e# i$ s$ _+ k$ K
waituntil <condition> prio <integer expression>;. H+ B* Y1 \" I) @3 `2 Q; x
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6 X* }1 `( i2 U. ~& f6 ]以上为常用的函数！
1 f: V8 E, b, m; k* H8 ~3 o. v还有很多，如有需要我把资料发到你邮箱里
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