|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句' Q0 }8 q! j( v; A, C' r& M
if <condition> then
8 L; t ?- K- G. } <statement sequence1>;1 C" F# e: S7 B* j3 `6 o f
elseif <condition> then
( j- ]2 x1 j) B/ ~- v <statement sequence2>;" g& I/ \" k2 b1 c
else ! G- A5 A0 @8 D6 ^
<statement sequence3>;# G1 M2 }3 o/ a6 Z# _; z. g; W
end;* k: `2 }4 I+ O, Q, ~
如果分支比较多，用：' J- B$ Y4 d. R
inspect <expression># \9 f1 A% C. A: } }. b9 K \
when <constant_list> then* b% r4 T$ L0 Q% |; Q
<statement sequence1>;
6 D" A1 l- L7 p- h$ j N when <constant_list> then
8 F, Q; R/ W9 E5 L <statement sequence2>;
8 x9 G( |1 P& H0 _; M ...
6 X# i. O, O$ o9 J' x( n else
+ h0 @) A/ J1 M. ? <statement sequence3>;
: A- A! }8 {4 m( @: A8 cend;
# T2 }2 C7 Z7 S' [
3 p$ S* V) n# ~/ R! x% K2循环语句
$ _& p, L3 S' \ D (1) from <statement sequence1>
5 `, D+ Z+ w. C6 Y6 t" E until <condition> loop
' A1 c5 W1 \; [1 s4 } <statement sequence2>;- w! M- s: Y3 N* ]+ K/ u* W- ?) n1 v
end;- J7 Y0 g3 [/ v. Z- |' O
(2) while <condition> loop C3 S D# o) L1 m! |6 j
<statement sequence1>;5 h% V9 [! F3 {9 T5 A2 H; k
end; T; y7 Y3 { [8 @/ p0 H# P
(3) repeat . }" ~) p' m4 C0 t: c% }: w: c
<statement sequence1>;* R0 O! i+ W1 g: e* N
until <condition>;
5 m4 i4 X% L# L! Z (4) for <condition> to <condition> loop
: W( P1 u. p+ a$ ]) m* E <statement sequence1>;
( {9 y- j! r' \" V2 A2 M& x next;
8 _: u/ l% |1 `3中断语句' p1 b/ ^9 m& U" o8 p6 r
waituntil <condition> prio <integer expression>;
. f: n! |6 S; c, s/ E$ _
4 v* L5 ^$ {7 d8 l: n* J: t, q. q/ K3 k, V2 p9 Y: V
以上为常用的函数！8 @* _8 r8 S# N0 j% E/ @6 ]
还有很多，如有需要我把资料发到你邮箱里 9 P a1 b: a, z: V1 r& k3 w
A- w" Y N2 Y' h' I
) D0 ]; J9 b& `8 w! O5 H$ `. D, ?. W; d: G. Z8 L. p0 G, T
' v) c$ ]; i5 i
|9 F0 |0 T7 y3 L+ }
+ X# H4 o9 E5 a
, P+ r# j# {1 u# a! {: b2 G: T) y. Y) I& V/ |# y6 \" \
$ b/ h, X3 p1 R4 f# h) x9 N
2 W+ O% a! l( A, V, r+ n
|
|
[复制链接]
