|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
/ k6 ^2 r/ y. L, u( b6 A1 A if <condition> then7 M3 W, ?# F4 e& K7 s
<statement sequence1>;
0 O5 l/ D! X3 N9 W/ @3 t0 g/ F elseif <condition> then2 {1 w2 O' _9 @, t5 [
<statement sequence2>;" a% C+ ^ q& m' l
else
/ s/ `! ^7 R* q: T! s6 j9 @8 \ <statement sequence3>;, P$ D; W2 }+ g5 t/ k
end;: Y2 W; |. {' o. T
如果分支比较多，用：
- c( W" _5 ^- k+ D: x- g; H* I# l inspect <expression>0 v2 x$ h) Q }3 E! ]3 z& I# I
when <constant_list> then
3 V% I. S) Q ?7 Q/ a/ r$ i' v7 A <statement sequence1>;2 e# J w6 S2 T) ~% W, |1 E! k
when <constant_list> then& u" S1 j' @( u: T( A( A9 d
<statement sequence2>;/ |4 K6 |) V; c- a8 v Q$ h
...% p0 G2 L3 Q8 V% T4 d& h% @
else
, V/ C% G, b$ `) I* v& S4 V$ ^ <statement sequence3>;4 ?; s8 d5 s6 e9 i) f' r
end;
6 {2 W8 I5 H' n5 o# Y' `4 r+ [% N0 c- A6 O% B W: _% y
2循环语句
, m3 }# `- T& T/ w (1) from <statement sequence1>0 ?: X, N7 x H4 s4 ^; A
until <condition> loop. P( U. G' L! s2 ^4 {# b1 }
<statement sequence2>;
& s. h6 T8 N( e& C) S end;
0 ` X1 ?( D i# n& i0 p7 ]' y (2) while <condition> loop+ T& c$ Q4 C& t5 g- i0 J0 ^7 s
<statement sequence1>;
| C# z2 @8 [4 X end;3 b8 O: x# M$ W1 q/ Z8 z( J
(3) repeat * H6 z" r# `9 z0 m; X9 r2 V
<statement sequence1>;
( S! ?( f# K, I5 Z h until <condition>;+ ^, h, V' [' y) h3 w! I- s
(4) for <condition> to <condition> loop/ N1 v5 W3 Q! |8 T% @7 k; h; K
<statement sequence1>;
/ v _ s+ c9 X. j next;4 k6 |9 _* Z2 V# ~
3中断语句2 V: {1 b0 u) D7 ?; Q- l- O+ L
waituntil <condition> prio <integer expression>;
! |' H( c7 f7 a* a& P3 {. D! r( m& q* P- h9 u
) t: j$ n$ c! z以上为常用的函数！
: ~3 V5 F1 W$ x2 T7 V" M& Q- H* o还有很多，如有需要我把资料发到你邮箱里 - ]! I/ k! u' n1 |
! u( [1 i m$ }! b# U
! w/ k1 z* f7 C( E/ d, i% v
1 g0 ^, V$ y: z+ S) Q0 {! g8 Q 6 T# D1 i) @! r. m
! e% Y3 o$ X! D5 e4 l% g6 }$ Y4 i. G; R
" E# b3 u u1 y) y7 u
' f8 b. E6 `$ r: v3 w* ?. Y
/ n& ?7 b9 Y# Y- u) @* Q4 f$ G " r5 r7 n3 T# A( p. |" C) ?
|
|
[复制链接]
