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发表于 2012-11-13 08:48:12
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1判断语句
3 C8 u8 l& i8 u2 T3 E if <condition> then3 g9 t" I9 D3 W+ H
<statement sequence1>;
( _+ B- Y! q% U& j: j elseif <condition> then& U* O1 r) W m! P; N4 z9 U* ^) @
<statement sequence2>;$ U( O8 b5 v% a' O, v
else
. b/ y6 J0 A: Z" I8 A# o4 E/ Z1 T <statement sequence3>;- m3 w. s6 j; d
end;
5 T1 y: e. j8 X9 u- {3 f如果分支比较多，用：
?0 Q+ I: N5 j* } inspect <expression>0 P0 i% E( s: U& T+ W: s5 C
when <constant_list> then
" q: a* B" {" E! X <statement sequence1>;
, C* G1 l7 p) l6 l- D; a when <constant_list> then8 e4 m+ ]0 k8 T
<statement sequence2>;
, T. R$ r# d# A Y4 m ...
: B& D# J5 ^% y" p else
* h& |$ i$ _4 r5 I) u* c <statement sequence3>;* Z# r6 q7 ?, I/ r( r7 H
end;6 u8 i* t' ]$ X2 s
- j1 n: _( d* M0 U( L* u" H! y1 s0 T2循环语句* h3 V4 v* e+ r1 M8 x9 v0 f4 j
(1) from <statement sequence1>
& O7 f/ h' w6 a$ I until <condition> loop' ^( T* Z2 K8 f
<statement sequence2>;
* [! Q& u. Q+ I: A) S end;
% ~" i& X3 d) H! O( ` (2) while <condition> loop
; z; Q; @; q6 X <statement sequence1>;: p/ \5 `) i: O- `, d; l) n
end;
0 E- _, N- `3 U5 f# z (3) repeat
" H' @) V: y- n& ?, Q2 x <statement sequence1>;
- e) Z. {. w* X/ j until <condition>;1 [' `) S* ^% O T9 p, w3 F
(4) for <condition> to <condition> loop
. N, V& r* ?! x* } <statement sequence1>;8 B' f1 ]( l+ q+ p+ d
next;
% U6 a4 l4 k, t; G% q* a: O8 N3中断语句8 i" Y( h0 @0 u& ?( t o3 L
waituntil <condition> prio <integer expression>;
* F2 k* k. ]+ g9 Y1 ]+ G
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以上为常用的函数！8 i; A- t0 a' {' V* _7 _
还有很多，如有需要我把资料发到你邮箱里
5 `3 l! t! q9 r1 }: h/ F9 t. X( b0 @5 ? L$ S9 p7 U0 Q8 i/ h, C1 U
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