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发表于 2012-11-13 08:48:12
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1判断语句0 O3 E, l' _: m' l/ ~
if <condition> then
+ p6 P! e9 J- C <statement sequence1>;1 K" I/ K/ }9 Z0 Q9 ]/ w
elseif <condition> then8 x8 m' z* k1 T4 u
<statement sequence2>;1 [8 W. K5 P! F9 l8 K2 ^* H9 b) l
else
: Y- E+ I5 E& B, Y, [' F) u2 h <statement sequence3>;
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如果分支比较多，用：
: K8 b1 K* M k) ]# p6 f inspect <expression>8 I+ C. `; K- k8 K4 W
when <constant_list> then
* {- f0 Y3 x; A% X <statement sequence1>;; ~7 q; j7 ~! \8 B, A( N
when <constant_list> then% H8 f3 M9 j9 A% a! }6 e
<statement sequence2>;
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1 q; K9 Z& L4 q9 C& I else
9 w) Q" w: r. i& J <statement sequence3>;
& W+ y) Z6 [" @end;
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& S- t$ V- c1 p+ U# @ S2循环语句
0 B6 R9 r4 q& L. X* k (1) from <statement sequence1># \) |0 F" e$ l3 A) H
until <condition> loop: T" ?- x5 t5 o9 O) }. J) f4 Z% u/ E
<statement sequence2>;
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(2) while <condition> loop
. a6 [8 b# z# {% C* _1 _( _ <statement sequence1>;
1 y" I) r* s* M7 U end;$ L) c3 h: D2 Y0 V9 x
(3) repeat
" Y8 I8 `2 s( p% e& ~7 u6 X8 V <statement sequence1>;
, G. z: E6 N) w" w) p) X$ E; S: M9 \ until <condition>;
' S0 q7 A8 V0 L (4) for <condition> to <condition> loop0 G. S1 b1 R; ?% v, y
<statement sequence1>;. g0 `5 e2 J/ R7 |/ M6 ?
next;/ G& J9 b4 ]9 b; T! T
3中断语句
$ u7 d/ j3 _" V ?0 l* j waituntil <condition> prio <integer expression>;4 \8 a9 o9 S0 J, j- N5 K
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6 d; l4 w8 o2 H' Z% i2 }! M以上为常用的函数！5 O2 N( t, o6 f1 S, {: Q, S
还有很多，如有需要我把资料发到你邮箱里
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