|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
" I) O% q n! c6 H if <condition> then
9 e/ |' ~3 t! p9 N! G" V/ z <statement sequence1>;
: D k2 c" v8 x: o elseif <condition> then
1 B! u Z8 m, g/ O& }) q+ ^ <statement sequence2>;
5 N1 V; `! g7 o" i% S0 H else
+ X6 M: N7 c% `1 ~) n! U <statement sequence3>;5 [; M+ G$ {" l/ }+ N- Y* ^7 m9 ]
end;. |. W9 g8 k" C$ {
如果分支比较多，用：
* w& a) ^) Q( v( m: G1 Q r. ` inspect <expression>
6 ~$ j7 {& h# w+ I: B# H; V when <constant_list> then
4 c: g# a x b7 M* h7 b <statement sequence1>;0 m" f7 s0 x* C; E/ ^0 j: }- d
when <constant_list> then" I+ M! {7 @! r) t4 n s9 g4 s
<statement sequence2>;
( _1 h: C' m6 G/ b. H; ~ ...4 T: d0 |8 g4 y# g: z! }
else
3 Y' E! _. V- @: i" z- g, \ <statement sequence3>;
! l2 V- d" \6 M; }end;8 N( b2 G" I# y' C
3 Q; l6 h5 s8 w! M* G" W2循环语句/ }1 e$ s% M8 {, T
(1) from <statement sequence1>3 o) P/ o. }( C
until <condition> loop
$ p" z2 B( ~4 L7 V Q* i; R <statement sequence2>;5 k1 ~6 m$ i) z9 G# t
end;
# l( m5 h1 ~, d- k (2) while <condition> loop
1 A* c/ E" h2 Z) @ <statement sequence1>;
+ U0 J1 [- q. G; `& G: r+ N end;
7 A1 S8 j5 w2 Q8 x (3) repeat
3 s/ k- N3 |. E# {+ c: B2 s <statement sequence1>;
! Y; ^3 d; ^5 @6 |& h+ r until <condition>;$ p9 L k& L+ f# F
(4) for <condition> to <condition> loop6 G( B6 F% q# {' j% Z
<statement sequence1>;. O$ ?! C8 q! u* S8 V, C0 j' ~
next;
+ o: h6 f$ q' m: Y" ]" W+ `) B3中断语句
/ D" g; H$ G+ `/ Q" \) |+ T/ q- H waituntil <condition> prio <integer expression>;
) h9 Y8 X9 J% j( k1 S; h; D
* V! y; t' M7 O) }/ q0 l- M# J8 w
* P: u& ~/ c% m$ U8 l0 I4 R以上为常用的函数！/ m5 v# E+ x5 B7 l. V8 E" G
还有很多，如有需要我把资料发到你邮箱里 ( E' A5 _" F. V/ l" {! @5 s/ c0 p% p) l
$ y- e/ r6 E) d* o/ F
. b4 a+ N) {, X$ Q- i) M: Z5 L2 C% ^5 S( ~" G4 I2 t' i
: g& ~& V; b0 j) e, U: z: A7 c
$ t. b- H; P6 H# X# Q. I# a6 ?3 H: Y0 E. G7 _
4 b2 ]' z5 i9 q. u% @
' n% m( [4 _% \/ f4 a. v' F
% z# ?" J, ?: Q+ L! F5 j
; w" ^, d" j/ c1 T8 S+ R |
|
[复制链接]
