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发表于 2012-11-13 08:48:12
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1判断语句% M( R# ^3 ^, _4 K1 h4 H2 V
if <condition> then( m; l; _6 s$ ]9 T( w
<statement sequence1>;" f$ n* }6 V- M$ |7 f
elseif <condition> then9 h) z/ ^6 e) ]% b7 q
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：" O! v- q& T; e6 x3 G( u5 B
inspect <expression>- n v; i2 [) e8 d! q$ _# }! A# O' K1 f
when <constant_list> then. [' K& A, T m( F$ Q
<statement sequence1>;' k( p+ T' g5 G' y
when <constant_list> then( j8 i. m0 J% T
<statement sequence2>;4 ]9 @8 Y2 ?8 l. S# B5 `. ~4 `: N1 A1 G* v
...# W8 {7 M6 {6 i. }1 i( V, s A% H
else3 m! ^6 Q u: V
<statement sequence3>;
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(1) from <statement sequence1>
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\- l" b) H$ M! @! N/ s% { <statement sequence2>;7 Q; |# I* ?: j* ?2 ]
end;
( c# e" {. Z* p, e% P4 G$ { (2) while <condition> loop
/ d" [) e* X& M' C* W* d <statement sequence1>;7 [% L/ s* V7 m4 d# |' X
end;' Y, u) ]+ i5 B' [* g
(3) repeat
" t2 c6 ?* p) o ~' ]! G. @/ [ {0 i) b <statement sequence1>;
1 O. D8 y5 d# J+ z until <condition>;$ n, Y# u5 c0 ^1 @
(4) for <condition> to <condition> loop
. ^; c! |( U7 v) \ <statement sequence1>; y, X- ?% F" j" A' [
next;
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waituntil <condition> prio <integer expression>;
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以上为常用的函数！
: D4 J' h" b6 h1 x' o/ L V还有很多，如有需要我把资料发到你邮箱里
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