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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句* R; I, H9 q% g: ?/ e
if <condition> then
$ }% G. s; z! q6 T- ?# s- X <statement sequence1>;" S$ a4 R5 G P# f* f2 r
elseif <condition> then
& {2 x" S! K- z' O W# N2 _' V9 J <statement sequence2>;) R/ j/ d: i: P! \* e1 D
else
. D7 l8 ?0 f9 `: Z$ s& w/ M <statement sequence3>;5 I& H; q4 `8 ^/ D }6 {: @$ f
end;1 D0 }8 V% F8 ^: K. ]3 I
如果分支比较多，用：( Z2 H( `5 K% D
inspect <expression>% E1 k! |& O" |5 c1 v( b/ W
when <constant_list> then
g* [; Q2 x0 {3 r0 B* ^ <statement sequence1>;
4 L7 x- x) L9 P6 b when <constant_list> then
3 O: h! R5 [4 c& B. M <statement sequence2>;( t# x! G/ P. G6 M
...5 L- M1 C9 ~9 g# m$ h
else9 _( @0 |2 _% ?
<statement sequence3>;
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2循环语句
9 E& f% n; k. O (1) from <statement sequence1>
. n4 v4 { U* m( i until <condition> loop
7 g3 i. x. i* Y <statement sequence2>;: i, ? [* j, a( W/ I# T7 F! z$ T
end;7 k2 }0 T/ t$ I! ]! \8 g8 L9 z; T, b
(2) while <condition> loop
: S! q$ E2 z( v/ G) F( N <statement sequence1>;" }0 G: X) v: u: k/ I
end;) x3 S3 G8 ]1 P, k" B
(3) repeat 9 d( U# F" ~2 O" B' t- G4 M a" J
<statement sequence1>;
( {9 J9 e7 O4 ~, Y6 |5 R& a until <condition>;0 L! b: _0 w. R! y ]
(4) for <condition> to <condition> loop% K' i/ ^; l3 F6 S% F; @
<statement sequence1>;
8 P. H/ P( a9 O& x next;4 X0 V ?9 C1 x, i1 c. R7 [
3中断语句, s' y6 L7 o) h b
waituntil <condition> prio <integer expression>;1 h% x- A' \* Q% P. M
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) \* U8 n; i. ^/ v" H以上为常用的函数！
0 Q5 L9 k! G( n4 G. o# x1 j5 s还有很多，如有需要我把资料发到你邮箱里
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