|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句, `5 }8 w7 E; i: b& F7 e6 T5 e
if <condition> then
9 i4 H- z4 T+ J9 d1 [# x* Z3 q <statement sequence1>;
) Z2 s% C# J) _* S8 x Y elseif <condition> then
. k6 t+ M' ~# G" o) F <statement sequence2>;
! N6 l. \2 u" o( e& Q else
" S$ Z+ k9 c, r& g4 x8 w8 j, \ <statement sequence3>;5 `0 ?& [0 V% W0 T# v- [
end;; i3 I4 t" q3 |5 d2 \- F0 K, h
如果分支比较多，用：
7 y& [% ^6 I& O9 O/ }4 K; Z4 a inspect <expression>
3 E/ P% l9 ]8 b" p% f( V when <constant_list> then7 `' A% C) g! d1 |! Y
<statement sequence1>;3 w+ P1 N: _; y% ]9 Q! I
when <constant_list> then
f: J# W/ G9 ]0 K5 h <statement sequence2>;/ j, d# A" p7 q- ~9 Y5 A' f, L) h
...
1 r! y( D( w" r5 i' } else
( h+ G8 {/ _$ L4 b3 w$ l <statement sequence3>;
' u/ l2 L$ W: `& uend;3 f4 Y F# ?/ `
# p' a" w6 W6 s. M
2循环语句1 g3 U) v" p% g8 C5 c5 m6 e
(1) from <statement sequence1>
5 x: ^6 Q v3 K$ }9 c until <condition> loop
( \3 q' k! m+ P* c8 F) l5 U <statement sequence2>;
! L- V( V% w* _ D0 Z+ f end;. H- a5 u5 K6 Z4 C3 N
(2) while <condition> loop
; f) e4 `$ j* x7 X O i <statement sequence1>;* Q, {3 r [" ?9 P5 P1 Y/ H
end;
0 ?# L' ^: x: ?' L (3) repeat ) Z, R3 {$ |7 z( J0 `
<statement sequence1>;
) F( t& b |7 _- v9 h J until <condition>;; n% |+ w; C* Y5 V
(4) for <condition> to <condition> loop% e9 y3 H1 n/ p r! B' P9 X) u
<statement sequence1>;: Y9 Y' U8 x# l. o
next;% a( T* M5 r, [5 S+ H. i) N* ]' m
3中断语句' p0 H8 P6 x/ Q$ o
waituntil <condition> prio <integer expression>;! F1 X0 q' L+ ^
$ V2 o8 j1 v1 n/ n
! z& J3 D/ q9 s; c* T. z9 j4 W以上为常用的函数！
% m+ [% D: J$ P" {% q8 g" b, Q还有很多，如有需要我把资料发到你邮箱里 2 ]" S. \1 x) O5 @# i8 ~6 ]6 i
# p9 S) K5 W) q Q% O0 b
$ C* j- R' h: \: ^
4 E2 J9 u; A8 H4 h$ @3 A
- w0 a4 l/ V! K8 v; \0 L( ?( M2 m" D
2 b3 C. [8 c1 L3 U; p
3 O! t$ O4 f% f- d, Q4 h% A6 T' q+ p3 N' h5 Z) |5 u' A8 |
6 W2 E& K* V2 V" `
+ `7 O2 e' }+ F& x4 C/ s |
|
[复制链接]
