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发表于 2012-11-13 08:48:12
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1判断语句/ h9 H' l1 K7 ]7 x$ @! w c5 D
if <condition> then$ C' [. m6 _( D; Z. K- T) |( o; N+ V
<statement sequence1>;
+ Z# _4 X3 A/ t6 X4 D7 I+ I elseif <condition> then# l }3 l" w& a& ^" x
<statement sequence2>;5 }. j( W b4 B) r3 w
else
% T2 T% H, b" C <statement sequence3>;9 |1 r7 I5 u6 X W8 ^3 T
end;; m$ ?+ z1 f5 j H( m+ p
如果分支比较多，用：2 l4 ^$ F3 c' d9 d) C" q* |
inspect <expression>( ]' f8 c' a9 N- b5 W5 k+ F! e
when <constant_list> then
6 k: ?- K* }8 x. V3 q. F <statement sequence1>;% ~7 x v' ^4 g: k, i2 p9 B5 `
when <constant_list> then( L, H0 _8 [ x6 \
<statement sequence2>;' N5 e, p9 V" o7 {0 @
...2 \# ^9 w' S7 M* H! H
else
, W1 w. S0 L$ o7 H+ [7 r, z <statement sequence3>;
) ?' ^/ k( h# K, X$ Y# A: U4 x M% n1 \end;# r6 M& l1 b6 { ^6 \: `5 ?$ W) }
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2循环语句: h- U) ]9 Q* P2 R" V
(1) from <statement sequence1>. D3 y1 L3 h7 i A
until <condition> loop7 Y; f* p( L! L: O/ p( }$ q
<statement sequence2>;4 g" P2 [1 W1 _; [" l$ w
end; i, t6 v8 V; j! P. s/ M7 W
(2) while <condition> loop2 ~6 ]# E( F/ l% h' Z' f
<statement sequence1>;( J9 _3 a: L- {1 g7 t/ x
end;. a6 n2 p2 J6 Q$ h
(3) repeat
. G( @1 l* J! M! Z+ d <statement sequence1>;
( ^, }5 r, _* R until <condition>;
% X& K3 Q. F+ G( r3 z/ l; A (4) for <condition> to <condition> loop/ q. G& c! u' l2 f3 I- a
<statement sequence1>;
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3中断语句% B8 t" r! B3 U5 L( ]3 s# G3 C
waituntil <condition> prio <integer expression>;6 D9 G! ~ o# \( L% w* e
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以上为常用的函数！$ b9 e7 |/ k- T5 U7 H* D
还有很多，如有需要我把资料发到你邮箱里
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