|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句3 p: `4 N! g1 }$ N2 T
if <condition> then
/ T6 G w, B. V/ E( C) G <statement sequence1>;/ A2 j0 @7 M1 X
elseif <condition> then2 C, P; [+ k- x1 `# d( [
<statement sequence2>;/ Q v8 t* I0 z
else i) H K9 d" n% e7 u, |
<statement sequence3>; J: R+ L9 \% C9 q, ~# g/ _- e
end;9 j& Y/ U3 n6 O: \
如果分支比较多，用：
# f0 Y+ l- t3 z7 l( ]# \ inspect <expression>& q0 H. L$ ]' h. _2 b n
when <constant_list> then
# j( _- s4 G/ ] <statement sequence1>;5 ]+ W& h7 C) c; O
when <constant_list> then! o3 G; T/ K/ q6 H5 ] B
<statement sequence2>;3 k* s g7 Q4 _" m' }; i5 }1 Y& B
...
) B3 j/ W" j( _2 a4 C* V else
% r4 N. b4 D9 T) V8 W <statement sequence3>;& G4 |; }" M+ U. Y2 i( Q
end;4 F/ `5 o& \% o$ e* M
! g6 W1 E6 p3 [ _
2循环语句0 m1 o, h. G& H0 H* y! I
(1) from <statement sequence1>
b h% S* k* y; @: {0 J until <condition> loop
- d' p9 Z8 q U, y <statement sequence2>;
6 U, e. G4 A5 N+ a+ w7 i end;" _2 t( O( o5 S- ]' ~' ?' Z
(2) while <condition> loop( ~+ x9 k) ?3 s
<statement sequence1>;- s; ~+ G. u. Q1 G5 A
end;
% @$ G% A( O$ O- o1 n! x. N7 H3 k9 s( `6 M (3) repeat % I" D- J1 H1 N: z$ K
<statement sequence1>;* q) ` ^( z6 G8 S ~
until <condition>;
2 _' y, v, K; _, `1 |! ~+ b, C (4) for <condition> to <condition> loop
K5 e, Y6 m K- v <statement sequence1>;
0 ` q) W3 e$ ~( N- q next;
* J" @# W6 B2 v: }" ?3中断语句
$ f5 }4 W3 l$ L3 ], O: Q2 Y y waituntil <condition> prio <integer expression>;4 r1 G. i# Z! h6 j b8 n
" C8 H" j0 \: p
1 E* Y `. S5 O- v) T以上为常用的函数！
# [: e3 `2 Q n- s0 H还有很多，如有需要我把资料发到你邮箱里
1 w/ N: r: ~& c2 P! }% v+ R' }& r% B' k9 b# e: s3 I) A; X9 d3 g
6 l ~& r5 g7 S8 c' ^8 l+ l
% J" L6 M- c) W, Z # Q! y! Z( w' P1 h7 l( U8 w4 d. _
3 ^# \1 Z* W6 h
$ M2 N3 H. l+ E1 A8 Y: z7 Q# Y
1 i+ @4 ~. z( O, I5 z8 r+ O8 Z: b0 e3 @9 C
5 U' a& t/ f6 l; [% B
5 S4 ^7 }/ z! H# j0 e7 @, D
|
|
[复制链接]
