|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句$ w" u1 D8 R6 k
if <condition> then" W J" ?8 N. i
<statement sequence1>;# A- r5 _8 u1 E5 `/ ?! t
elseif <condition> then
5 E$ I& s: F! V0 d, i! N$ H- m7 |# } <statement sequence2>;$ A% D! Y4 I: \. T1 B' \
else
* |, X5 M- h* M- l) z <statement sequence3>;4 s' R7 ]0 f; H8 t/ R" m2 ~
end;1 O4 A' z6 y! ~# u
如果分支比较多，用：. ^2 U1 s9 Z5 Y# U2 ^
inspect <expression>
( T( l, E# A/ G) a. k when <constant_list> then
2 J9 p1 z) a/ m0 f; z <statement sequence1>; ]6 V& R1 N2 s" f( [
when <constant_list> then
4 T: e, G. y- [ <statement sequence2>;- ]' j2 N# W, R8 C- W: F
...2 V3 X* z1 b5 w" r7 \% k2 Z) y0 U
else
6 f6 |. C H* T" [. }8 K' U7 f7 V <statement sequence3>;- r6 ^ ^& ]+ G- b8 \
end;
& s) y6 [8 w, B
6 i ?6 M. v/ a% H6 ]9 d! \2循环语句
, a7 D( X$ `% u L (1) from <statement sequence1>
/ q, ?6 L% X, \ until <condition> loop
) o3 _6 Q. q9 [' j( K <statement sequence2>;
" J& G# a, E V& ]$ F; \* n5 y end;" @' d' s+ G, x" _. O) h* [* x9 T
(2) while <condition> loop
+ E! N* J/ r6 c' o. p <statement sequence1>;
: v% U+ T, S2 v7 V% j end;
4 B: t! p% B8 x$ y$ t6 o (3) repeat
' w9 h; x. v; T8 S3 r4 \% [ <statement sequence1>;# q5 _' D( M5 p
until <condition>;
6 m& M0 f: f3 f# S b7 h% V (4) for <condition> to <condition> loop# j: ~& l3 D) N! X
<statement sequence1>;
) P: U( F* B+ [; t next;
\ t2 D2 p: g# [3中断语句8 T% c0 h" F) b" x8 ~
waituntil <condition> prio <integer expression>;
4 {* J& Y9 [) K2 k
" ]- o+ _0 Q. I) e4 z7 J8 F5 E
* a; k" T3 K! [' t9 |+ S. S( {/ y以上为常用的函数！
! \6 ]; G% G4 Y. g! c& ^$ M还有很多，如有需要我把资料发到你邮箱里
: N: G6 _( z8 \0 @2 H6 u8 l# ~9 @
$ \2 V& t: z ~' X# I* o2 M/ V) t/ N: @
& G9 g& b; A" C& N9 I, E4 D4 ^
2 z r, ^5 [4 V! V, m" J q1 P, d2 V4 g& p' R' f1 B
" Y3 ?1 R- ^' B( g) q/ j7 E( L0 c3 z/ `8 I
$ K' ]/ k9 ^ W/ N7 J) v! M& a }
7 C7 N" `9 s9 @+ F. f; F |
|
[复制链接]
