|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句) {+ W6 V: a" x$ F0 G
if <condition> then6 t2 {( F& o% d G) s7 r% @
<statement sequence1>;2 P* e F; j4 L" ]% I& S
elseif <condition> then+ f" x! T; ]9 Z2 q3 q
<statement sequence2>;1 G/ e2 N- b1 d! x1 F/ G1 v5 Y
else
3 A- F2 T- ^# k" d9 d <statement sequence3>;
- ]( ]0 _: x* |6 @( s9 j end;+ n4 l# s! n9 j6 ^& t9 L" G
如果分支比较多，用：, s: T7 B4 u/ J
inspect <expression>
* }: }6 P1 D6 G* u2 v, C when <constant_list> then
7 ^. ?4 p4 v3 Q! w; B <statement sequence1>;
& K/ [2 |) x2 S$ K W8 Q4 c when <constant_list> then" m5 P( G6 u$ J9 ?
<statement sequence2>;$ N- x! @% L: [$ F3 M7 R# l
...
: b7 d8 W. I9 R6 O. t else
+ w$ S: z. [' V @ <statement sequence3>;- l1 }7 |+ E( Q0 f# F
end;
& f2 K$ ?- V8 C/ z- C6 ~! x; h( V9 {
! f, \& y3 l- X2循环语句
- i) I9 ^; Y; \" p5 {& c q5 v (1) from <statement sequence1>
" ? _: Z5 g2 ? until <condition> loop1 W; Z) H" s# p" m( c. r
<statement sequence2>;
U' q+ {* M: C* _ end;3 `/ K& F3 u+ D
(2) while <condition> loop/ A7 Y7 ^& E- Q. h, S- a
<statement sequence1>;& I0 Q+ n7 b( X2 k$ t4 _) z1 E
end;
5 C: R3 G5 V. d (3) repeat
1 S9 b5 N5 b" Q$ O* ~2 a6 W <statement sequence1>;) J7 L& W1 T5 k6 F; Y
until <condition>;
6 R7 K3 d7 {9 @8 O (4) for <condition> to <condition> loop# @9 F% {" m* [ n' d) S& @' _
<statement sequence1>;
; Z! o$ `* V$ b: l next;$ k) N& D! B, l% q8 Q1 |
3中断语句
, q+ k( c/ g: w! u( {. F, g waituntil <condition> prio <integer expression>;! `9 K5 y+ P8 B8 l7 y
% {4 y6 A4 _2 N2 c8 r/ {
3 j* ^' L4 |. {3 D以上为常用的函数！
$ c2 s, L8 L6 V8 R, T: Y" h还有很多，如有需要我把资料发到你邮箱里
; `$ x/ t; P4 A U( E+ L- R$ a
* r2 s( a9 h" O& R! w. i a
% E# ^$ p1 y j% z6 Y4 Q$ C1 a* @" c! t" N( r
2 x4 O8 r2 d+ Z0 ?6 B) ^+ [( @: g8 {8 i! \
H0 K$ a/ }. g& \! A$ T2 e; t/ W
% y3 O, ?. ^2 N7 O
1 x1 G l& D$ P3 t
+ V) r0 a% ~, X$ g0 ?$ F! \! u* i
' U! [- Z% u6 M2 W, w* t$ M |
|
[复制链接]
