|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句8 E$ q$ ?4 ]. r
if <condition> then6 P, r1 Y) G# v4 h, |" S' R
<statement sequence1>;
) C# P+ V% w5 H6 }9 o elseif <condition> then
. J7 B7 ]% u6 K$ f <statement sequence2>;' Q1 L4 C- O* k( y6 O* r/ M( ~
else
- h) W% @5 N3 Q/ X8 G& R <statement sequence3>; {2 _' @+ |" U; I4 D4 ^" ]1 u8 A ?
end;5 z) j" b/ H- A4 T) O
如果分支比较多，用：- x! c+ x9 G4 `0 L2 \9 N
inspect <expression>
3 ?5 P2 g9 k1 c3 j when <constant_list> then
* h7 D# ], c& d <statement sequence1>;
; [- @4 D- C1 F4 a when <constant_list> then
8 `1 h; t- ^7 r" _* w6 ]2 o4 M <statement sequence2>;
) n: r) P1 J4 y& P% |; H# c3 Y3 L ..." P: f) ^. O/ P9 a* v
else& g& z& @. Q2 A, h$ @
<statement sequence3>;
* f8 Q. i$ ~; xend;
) F9 {( ^# d& |1 ?' h( ~
: K( Z3 e. i- Z2循环语句
% c3 F$ L* `" g2 V: { (1) from <statement sequence1>0 K& i5 w0 v) I" ]2 N K
until <condition> loop
/ y: m# s6 `) b# P; ^0 J$ ? <statement sequence2>;, K/ d$ d* F: j7 ]
end;4 Q8 V6 H: l3 ]" t, j
(2) while <condition> loop. y9 s% u4 m( C" e+ r `" u" K
<statement sequence1>;
# b/ y& e9 \2 s( G4 \ end;" p$ c, r# v. d
(3) repeat 5 ^/ s" i) t! {# @* H
<statement sequence1>;, ]% y. c5 _) s0 H. Q
until <condition>;. e! G* M3 J/ v# C
(4) for <condition> to <condition> loop
" ~9 O j( `/ T& f <statement sequence1>;3 X" X! u1 F* N) Y4 t
next; `6 H6 ?- Z; x0 B) `6 s$ U! o9 i
3中断语句
4 B3 H" }/ p1 W+ G1 ~8 D waituntil <condition> prio <integer expression>;3 x, `0 @' k% }5 o. m' N7 J
& E. Q5 N. h3 Q
2 ^$ L5 H, S; D
以上为常用的函数！/ B' b' b# \, \7 ~, w7 `: E( o
还有很多，如有需要我把资料发到你邮箱里 % S, y+ z' J! x! f5 I: f
5 M+ ^* T: c6 g" k8 V" y: m5 ^- @$ E& H1 r: u" Q
; A& r! J8 X: {. E# s" o3 G: ]
- b; i$ T! K: I. `) S6 F1 S3 E( e0 d. b
. S- S/ \& j" Z" t( k3 @/ S$ |. o$ G2 b3 [; z+ ~6 u
+ [' Z- n6 i6 B" [" T
5 ?, B1 U1 J. i8 V
+ H4 b5 F% _3 \$ W# ?: G2 {
0 P! ]. v. @3 A) W |
|
[复制链接]
