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发表于 2012-11-13 08:48:12
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1判断语句' N" H* f' @; d0 x
if <condition> then0 Z( g' p( r9 K, {
<statement sequence1>;5 p# ~0 M7 {( y, x
elseif <condition> then
4 }) C' g. Z3 O' D6 P% D7 { E% l# @ <statement sequence2>;1 g$ D: P4 Q. w/ m# f' ]
else
$ l( L* ?: _0 L; q& P/ `8 r <statement sequence3>;' s, I7 k. o b" x \ u
end;1 | x# f9 I4 e4 j5 k+ I: U
如果分支比较多，用：
: \% G: E5 a, y1 l7 R& c) h inspect <expression>. g; h6 b. J( ]% x1 `7 b# s
when <constant_list> then n( T) E' p8 w: e9 J. K) E
<statement sequence1>;; ]- @/ Q/ T7 r- d( ^ B5 Z( c
when <constant_list> then
2 p; U' L$ \; ~ <statement sequence2>;
+ t3 r; n) d' H$ ~2 ]# S ...
: `" \; [# S: ? else
. e! m( x& ?/ L* ?6 @5 D$ ]5 ]+ H <statement sequence3>; c- q# I7 e6 C
end;! z- \# S' p1 r& |$ @' g# B
+ T/ y. S+ K2 P2循环语句
1 ?' t. p" f1 c. C, @/ h (1) from <statement sequence1>
$ o4 c7 I0 q& O a/ [. J$ C until <condition> loop. H: [/ b, _# K- _) i
<statement sequence2>;
0 Z4 a' d" c6 N0 {& B end;1 P6 \0 A$ K- P/ [+ x
(2) while <condition> loop0 _! G0 T: Q1 L- S9 U+ \
<statement sequence1>;) U. m7 r, j0 y
end;) B& p( Z: U. Q; [
(3) repeat
7 H0 Z/ U8 s4 e1 X* N <statement sequence1>;
& p% y' |1 C8 S a until <condition>;& Z$ M/ r0 D$ ^1 C
(4) for <condition> to <condition> loop
! s1 Z& j9 v6 G! S; _: W% M2 t+ Q <statement sequence1>;
E5 t C0 Z" [: w( [ I' | next;" K8 K5 A; D: Z- n1 a4 c
3中断语句& k9 N/ g0 [$ k4 O4 Z$ j3 q) g
waituntil <condition> prio <integer expression>;
( ]4 G' Q0 x3 G; `( i8 U! Y
8 M$ i( P* k# \- m" D% j( }+ O
; @" t1 ]; Z$ R9 D q3 K以上为常用的函数！$ h: f9 s( m& P9 ~0 Q1 ^/ J
还有很多，如有需要我把资料发到你邮箱里 7 v) \: u9 S5 }: J _9 H% W: |+ X
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