|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句- q! P, E6 W! G: m/ |& R
if <condition> then9 D% f8 v1 a* I2 g- Q7 C& V
<statement sequence1>;: T5 g: I& j9 \5 q- P( o8 a
elseif <condition> then
8 r. T" L1 m+ e4 d, d <statement sequence2>;1 f8 ], {2 [3 W% g, r e5 M9 h0 F
else
0 Y* x0 Z% s! F <statement sequence3>;: w$ e: Q6 H; I+ L4 f
end;' ]: q5 k7 S6 e) Y5 B, V
如果分支比较多，用：
9 y6 O, d/ v/ O( \3 ^4 ?( @ inspect <expression>
5 ~- G; g) k9 K6 E; B when <constant_list> then
9 W: N6 p; C' V! @$ ~0 \; u7 ? <statement sequence1>;
! v. I; B _& a8 m1 D when <constant_list> then- r ]& |) P+ N' E' f: L
<statement sequence2>;
+ t% \, q+ j$ H2 G" N, h ...3 ]# g3 F) U: ^% o2 b
else- j* Q1 D0 S% O8 z
<statement sequence3>;
& c, E; x" ]6 v* L; [end;
+ p4 U1 v6 B: e3 \9 `5 L6 M. ~, D) |- d
2循环语句
- l3 S' H7 v O& U; |. m (1) from <statement sequence1>. `5 o- I* n$ h4 {
until <condition> loop$ U% F3 X4 T- [0 k
<statement sequence2>;* I# H* w6 X y
end;) L, w) p2 _, k! ~. `& B8 w
(2) while <condition> loop" }+ i# F$ L3 h0 D8 f$ P
<statement sequence1>;
4 T/ Y6 w+ u% O6 w end;, l2 u' B" g7 ^4 \6 s3 [
(3) repeat 1 j' q/ X% r8 [) E" l! ^' [
<statement sequence1>;: T5 C) N: \% h, f" l) m. z
until <condition>;
1 T4 f% @) R* J; \+ w (4) for <condition> to <condition> loop9 ^5 d$ e' M$ ~" s
<statement sequence1>;
6 T; Y1 z' B q; `; I9 p- b% f" L! P next;
5 J; y5 q" j1 r9 ^+ {" Y& N3中断语句& \, p, Y7 f: A7 x4 q* U+ u) F
waituntil <condition> prio <integer expression>;
; U5 n- \# z0 c* X4 C( S' w) z
) f5 G% {$ h4 v+ l' g
; O- ], G% M B b以上为常用的函数！
3 P7 a3 w& U$ A5 l0 f) c1 D还有很多，如有需要我把资料发到你邮箱里 8 F, |* r! G2 w$ J+ m' s, F
$ j3 r! L' }. _$ F9 p# |( Q! k9 c# { o0 o
# x7 ?/ \( y; X. t6 W0 q% i
, L& p8 I: \$ e1 ]2 q2 S2 T6 L' Y" s# |! e$ V, q' C. L
) Z4 y& i+ E7 ~4 D8 @9 v
: J6 J, r- Z0 ?7 x+ E: |8 }4 ~: ?
8 O% T1 F# {5 t S5 I6 f; ^; V1 B% ~
$ n5 U; B) |+ z& C) M |
|
[复制链接]
