|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
* j1 F0 L& l% G% h& c) ` if <condition> then
8 M2 B: M' Q7 [/ s% ] <statement sequence1>;5 e) c# t6 V0 s
elseif <condition> then
B5 ]+ q. o4 l& v4 U8 q1 t <statement sequence2>;5 J9 W' X" a, E& K) N! d
else
$ X& l" C5 q' [0 b- [ <statement sequence3>;
# ?! N4 V6 j! @1 d end;
9 `! {' o- |1 w如果分支比较多，用：
3 ]9 e' X# d* a5 M. y. L inspect <expression>7 W7 O# q6 N8 T0 j8 @, z
when <constant_list> then
. C1 j' W( Z) l4 H4 [ <statement sequence1>;2 L2 [3 k( f) O
when <constant_list> then
. c: m# p( S0 F3 z0 V <statement sequence2>;. Y1 b _# N2 O* ~' w, A9 @$ R+ |
...
- q( x3 b2 _% l1 D( J. d" \3 _6 _ else% R' X* ]: D+ f2 b# W* C! s) f' [
<statement sequence3>;
) |7 u0 u9 e, [1 v wend;
2 C& C v( C/ o5 q; a1 g0 {$ {% b
* G" e: {" N( c6 x9 R/ D- T2循环语句8 i2 \, I" G- Y/ i9 b. }$ B! u
(1) from <statement sequence1>; v# v9 D+ J; T. Z8 }9 a- a
until <condition> loop
3 w6 P. U$ ]: x5 \! s) r <statement sequence2>;4 A4 A' q7 W) G/ L' x7 s
end;6 P$ B: F* x5 m; w. w
(2) while <condition> loop- O7 p5 L; Q7 a/ O& Z# a
<statement sequence1>;! g& F1 z/ l* h. y8 l
end;
) ^1 T% l2 a& h1 y& _5 q (3) repeat 5 _7 ?, b8 h- U4 e+ L
<statement sequence1>;2 m! V8 G! ]4 `$ e
until <condition>;
* Y$ J# V4 }3 n; r (4) for <condition> to <condition> loop# O; t2 q/ G4 @ N9 z
<statement sequence1>;
' m1 s! M$ s& n; N. Y: ^ next;, ^* u& F$ F, z
3中断语句
& z, X( H q: q, G waituntil <condition> prio <integer expression>;
+ a) S6 \2 @" X2 P# }2 W/ l6 V
4 }& M# R2 J, p2 x! W. ~8 E W. e9 V
以上为常用的函数！4 C8 w4 P& M( B; V3 X' u
还有很多，如有需要我把资料发到你邮箱里
/ Y/ A. ?% i% J
* a$ K8 A# F6 x9 N
( L4 W: F: k* s+ B2 t' ~
- ^; c+ d2 I& {/ P: \" p# v! f
8 T. b: R$ R* x/ g
+ `1 Q, [% |2 @$ w$ _! Z5 @
1 [# d: a! Q, K s1 W8 |9 [) g: ^4 \, q6 [7 s
$ Q3 M; k: q% ^" ?+ g& I+ T
# S1 d+ w1 g) E+ Y" q
) a7 z% T- R/ {! I1 G$ y |
|
[复制链接]
