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发表于 2012-11-13 08:48:12
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1判断语句
$ k, \: l" n# \ if <condition> then" |# g" |3 R* e
<statement sequence1>;9 X* |4 }9 z8 F ?& [( j8 q
elseif <condition> then
1 \- d, i- T! K <statement sequence2>;; @5 f- F& x( X7 X% T" D$ Z% b
else
. k' c: l! @- y5 F# P <statement sequence3>;
) j. ~ Z6 ]8 i# _4 p3 E end;
* Z; @9 W' @- w2 O如果分支比较多，用：
& E/ c# c( V" P' t% U2 z0 }+ P inspect <expression>
0 Y( V3 E: [" y9 \ when <constant_list> then
a; }( u7 X6 I" N/ p <statement sequence1>;
& K) O. h8 x: I5 k when <constant_list> then; w. K+ o3 t2 q9 k, @8 t
<statement sequence2>;2 @8 i* K! o$ v: w
...: R# }1 B2 u6 t3 e2 g% k0 m
else6 q% l: l7 C2 R A1 y( G
<statement sequence3>;
/ O8 X0 u/ q% @0 n+ Uend;, u! C9 `# O) k2 B
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2循环语句' r1 C% B3 w' v* K4 o3 I
(1) from <statement sequence1>; R; M) I! A6 s! _
until <condition> loop
7 n+ o# z! I& |! Q <statement sequence2>;
* s$ `/ o7 G( e7 V( ] end;
6 { S+ M7 Q" P$ Q' C& f4 m (2) while <condition> loop7 D2 w2 ^5 T1 d I6 i
<statement sequence1>;& t% l V* @! V; \
end;
4 y e* V2 r( z (3) repeat $ [; F. x3 G' ]1 G+ Z8 ~
<statement sequence1>;+ i7 r+ j; q! s( f# u- s
until <condition>;
* i! B ^7 ?( d (4) for <condition> to <condition> loop
5 y) s7 ~7 Q- Z1 i <statement sequence1>;7 } ]& m8 E. q
next;3 M: D( \/ B9 ]: t' b) ] Q
3中断语句+ c# l7 ]( V1 H+ t2 O2 u9 j
waituntil <condition> prio <integer expression>;2 X& m0 E! V% T2 Z: E1 U( ~( [. I
3 Y: i4 ^0 _# F# r' [" t f9 o
+ y7 Z/ q" A$ Q) F
以上为常用的函数！
1 M5 S/ Q% y0 Q- g& p还有很多，如有需要我把资料发到你邮箱里
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