|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
$ o) }. B) W) \/ @ if <condition> then3 ]" L( `5 {4 j; M" G) r4 M
<statement sequence1>; w; K# q. a6 b+ V& ~
elseif <condition> then
; V# F+ Q3 P( m: |+ e <statement sequence2>;& }3 j+ ~ u. E* _2 q( L' w
else 6 j V6 O6 V- V
<statement sequence3>;
, J8 q- G8 o. E3 Y' n- I end;
6 R, ~8 w3 l$ p+ k* F9 C' P如果分支比较多，用：; s% U$ z0 v. ~+ j+ d* K
inspect <expression>
/ P* r, |+ {2 ^" W! @, D6 f when <constant_list> then0 S/ A; n' |. \
<statement sequence1>;! r; J: F. x8 c- }; t
when <constant_list> then! p5 r1 f6 h4 s' I! \9 {) h8 }
<statement sequence2>;/ t/ p7 R( ?, g( F: F
...4 P, _& E" ^. p% f) o
else4 y) S/ s% O4 i( D- K; P) {* K
<statement sequence3>;
/ q+ _ {. D- u3 m0 a9 u7 ^end;) ]1 ]" \5 _4 [* h O% n, o' l
* P: ?, \# s+ P. s! s2循环语句, y. n0 y X4 z" J6 S
(1) from <statement sequence1>
$ j! c% M$ h! l( F8 d6 O8 J, v until <condition> loop
! @6 V' j2 b9 \2 Y c7 F7 @ <statement sequence2>;% t/ }* _7 X4 \$ T0 O+ n
end;4 C' i. g! _3 p) D+ ^3 [
(2) while <condition> loop
e+ r% l& X0 O" o- X& ^ @1 m2 e <statement sequence1>;
- N( ?3 o# x' v5 s4 F) E5 S end;
- H3 W3 G7 s- t( I3 G* V, f7 A (3) repeat
! [! a+ d9 l3 B3 T% x$ n. @, [ <statement sequence1>;+ ^! k$ ?. r$ V8 ]; B/ d0 n
until <condition>;; E5 o; D& z" m+ r5 @" m
(4) for <condition> to <condition> loop
* f& v4 D3 t: j9 j8 | <statement sequence1>;8 k1 j" O" b8 e8 i$ W% ^0 m
next;: u. p/ O4 j. {$ I3 s4 c {
3中断语句9 n. E( ~, m: O& F1 H( W' @
waituntil <condition> prio <integer expression>;
|" p% L7 P4 G7 m/ l
- ~. S3 s# i* c6 m0 L0 t5 J! f* w4 [3 _: Z9 [8 e ~
以上为常用的函数！6 f# V! j4 m8 h2 l W9 w) n, B1 Y
还有很多，如有需要我把资料发到你邮箱里
4 I! C' n8 f9 P6 S# g; L) K% \! a' v) C7 E/ f' k
) r" `) x5 x z& z# S
9 X! S8 Y' N4 |+ Z1 r) M7 c
7 A; Y$ N; [7 M; x, A9 y4 t
5 v5 }3 o9 t) Q* i& o! ^+ F b
' m8 }1 [% r9 V9 y3 {. @/ V4 D! O; {/ F; O/ P4 ^& u
9 P2 q- K- m, s3 Q* i9 |6 T
( U" K+ k" F) z( H& n9 N; H, p
( T ^& y6 S2 }% a |
|
[复制链接]
