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发表于 2012-11-13 08:48:12
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1判断语句- @' Z Z- e0 v- p
if <condition> then6 P/ X) r8 p/ A: t
<statement sequence1>;
' x9 w* w1 ]+ Q' i8 D. Y3 C elseif <condition> then
" Q9 M) ?' V* y" D <statement sequence2>;
; Q% n G+ A8 X else
' [8 o1 G3 G% m <statement sequence3>;
# L( `% ~* f4 C, @/ n. v end;
2 F0 E5 O; u$ ~. o; v: l7 M如果分支比较多，用： f& {2 H) D" J* M7 f' E
inspect <expression>5 G# z/ t, r0 B$ r( \4 `
when <constant_list> then
( O' e3 W% s" x2 e <statement sequence1>;
% I3 d- U! w5 Y$ }& T$ i* @ when <constant_list> then/ k' s! N5 L) R# w+ t
<statement sequence2>;
' q/ D7 F. f2 [: z; W0 k ...
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<statement sequence3>;
% K: r2 F3 u/ ]' w! kend;
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2循环语句
0 J( a, W+ ?% } (1) from <statement sequence1>
2 e2 R( |% ]/ g until <condition> loop
. t7 `, J- k+ Z/ h' _ <statement sequence2>;' w/ b& X: W: @: V& s
end;1 M$ w8 |4 e" ?/ w9 L# z
(2) while <condition> loop4 I4 _1 h* U" v% d" ^
<statement sequence1>;" m# k/ F/ V2 N; P
end;
{- w% j6 @: c( P* N/ q (3) repeat V/ a* w3 A A' h6 J% Z
<statement sequence1>;' U' P$ t ? _* V
until <condition>;7 [# d0 d) C$ N. l8 s
(4) for <condition> to <condition> loop
_; r/ D+ W1 Z <statement sequence1>;5 G" e1 G1 ]8 o/ L+ {" _* h
next;
- Q7 C$ u; P+ |6 L3中断语句
* f- `! L* R; e2 o3 {) e waituntil <condition> prio <integer expression>;
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以上为常用的函数！/ Q3 z4 B( c3 R! G# B4 e0 b
还有很多，如有需要我把资料发到你邮箱里 : U& F1 W/ O( o
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