|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
7 h& r/ Y8 j6 X5 L/ \ if <condition> then
. a% O C5 g* |+ D2 D <statement sequence1>;
3 o n* r; d9 Y; F elseif <condition> then6 T: s2 h3 j; r& w) b+ f
<statement sequence2>;
$ Y! s/ B1 j! k, p else
# A4 i9 }! y; O; Q2 h2 y& K" i <statement sequence3>;: W/ O5 [( M4 h) r
end;
; ?4 p- X- I! [6 H( l如果分支比较多，用：
* o( Y# ^* \; j- K* }1 \/ j inspect <expression>
" Z/ G" \" C' ]! n6 A when <constant_list> then
2 C8 I# v. @0 s7 @) o <statement sequence1>;
" M- h* d2 @ W# S7 y9 X when <constant_list> then8 f1 W5 E. F0 a2 {+ L
<statement sequence2>;! C( O% q; V% e# H! m/ m& {
..." a/ `" e* {& Y, D& I3 p, F( n
else6 d3 N- c! l& I) y
<statement sequence3>;. A/ h5 X% r/ O6 ^ z
end;
' q0 W3 v5 g" H0 u3 H% ^6 m, P7 m3 D- K5 D5 i. t* U% [
2循环语句: d/ m. x8 N9 H* d8 M, W% J2 L6 ]
(1) from <statement sequence1>
8 k B% \) i2 e Z4 v until <condition> loop
6 N/ G, i" v( N* g/ a2 _( { <statement sequence2>;! B; [9 p. P) E" d2 B1 E+ q
end;- k. N# T: v7 Q7 V$ G& e9 J
(2) while <condition> loop; j( p/ Q6 ]7 ~+ }( h
<statement sequence1>;
0 Y# m A6 y* \, | end;% D" p! [- Q, n! |. p
(3) repeat 5 O/ ~# q m6 ?
<statement sequence1>;
5 V* ] i2 c* w until <condition>;
: P; L) [! f; S4 n" F$ s1 ~ (4) for <condition> to <condition> loop
6 h! A1 ^$ p) z! c8 n <statement sequence1>;
3 L/ V* a" W4 e3 X4 g7 E next;
7 x# N! {5 s4 D& I3中断语句* R: D2 M. f9 r. q
waituntil <condition> prio <integer expression>;
9 b% L$ y4 H, X5 }7 H2 c7 X E' g/ C& H; ?+ N8 s
4 w" m6 n9 u9 Q) C+ Q% W( E7 A; t以上为常用的函数！
, y8 W$ L7 a# @- n5 Q4 q$ O还有很多，如有需要我把资料发到你邮箱里 O* o7 R$ i2 q) W: ]
# M6 X& U9 k5 a3 @5 A+ M
- z! D9 e% S2 i7 Q6 K: U$ i. L+ r8 }( e4 D8 j8 h2 ]6 Y
! v9 V" M) r8 ?! C
- g( u |8 ~* v
/ j- d9 e- G+ b+ E, n2 C; \2 V. `
3 o0 @. M- @- {( ?/ U" K/ u8 t$ e& Z
1 d n, x5 r1 b" M! M) F- [6 R4 }5 N3 F* E9 c7 \; \5 K
2 G% T( @, d- t, c
|
|
[复制链接]
