|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
4 e) d" c/ J2 K- d9 i if <condition> then
* L N. k2 Y$ L) h1 C E <statement sequence1>;/ k' l2 I- A& E' G! l
elseif <condition> then
% M- ~9 B2 A9 Z7 G0 \# l+ w1 n <statement sequence2>;
8 m4 l' C6 @; l) B; V5 @( x) W else
1 m$ y! E# ?3 E+ y$ m <statement sequence3>;4 Y' r& b* Y5 x. Z
end;. \6 i( k4 g' N8 ~. x$ b0 x3 ^
如果分支比较多，用：; t! D1 \# c) U) a9 f' C
inspect <expression>
4 `( b3 C; K8 S% {" W8 ^. k when <constant_list> then
) ]6 O- _: a; T <statement sequence1>;) q/ |1 h, X4 \5 i4 Q2 h$ ]
when <constant_list> then/ f( d. Q4 j7 S' N
<statement sequence2>; k3 w9 g- G# H' T# t
...
( ^1 F9 n4 Y1 P ^/ M else6 Y/ E2 A3 [: _3 ?& P) {. A( }
<statement sequence3>;
) h" k; J! _2 a3 l# |3 {end;
6 U( U+ Y2 u+ a, c; `0 @- p6 b: l) C. B: r l1 A
2循环语句
7 O8 E/ U6 |* g c0 F9 e0 g! n# F& j* i (1) from <statement sequence1>; h$ L( u( t& [' x+ {9 c3 I
until <condition> loop2 p4 R A, a1 ]+ g! ?* i
<statement sequence2>;
* f v9 W1 c4 Y+ [ G end;
; j" \9 A4 ]" U/ K+ b (2) while <condition> loop+ f1 I, ?2 t& k& s5 M/ i4 E1 x* `7 u3 i
<statement sequence1>;. J+ K* c1 c2 I' G: ~0 M
end;
( m m; h. q8 u- C5 W% M* d; L' O (3) repeat
/ H) U$ D+ r: M, Y; d/ x7 Y. \ <statement sequence1>;
2 v+ D& Q0 h2 f3 Z9 U7 s until <condition>;
, P3 d& T" a, t0 P: D5 T/ C (4) for <condition> to <condition> loop
. B( h0 K" ^7 I' D <statement sequence1>;4 [; d3 Q. G" U1 x+ C0 i( L* R+ |7 D# f: \
next;! {) S8 M) e4 w4 h* c! P5 {
3中断语句0 I! ~& s9 P. V
waituntil <condition> prio <integer expression>;2 i2 _' z2 P/ {
$ x2 i! x2 d, ~. r+ [
- b9 v9 T9 R {2 I d5 ]1 L) a
以上为常用的函数！& \% L' o- p- K! L" V7 p. f
还有很多，如有需要我把资料发到你邮箱里 ! t0 F4 r( _; O9 h# o }9 Q2 d9 \
0 T/ i8 _+ P8 b. L, B# J
6 Y) {- H2 @! Y1 Z
( m5 L2 i! ^( b% w6 f9 M; @% C, w
1 M) O$ s L- R' K3 v
+ M, P* `2 e5 y
, M( y, p7 O) B# d) e8 ], o- o0 T( G. Y0 G7 z* T K
# g8 P/ ]. D0 @* a9 b i
$ B1 [' }( `) r; G+ [7 ^
6 V/ E! }7 z$ g% D |
|
[复制链接]
