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发表于 2012-11-13 08:48:12
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1判断语句9 U3 K% T$ T' Y+ l3 }1 T3 I
if <condition> then4 A8 [2 H/ c& k \8 l6 o: W
<statement sequence1>;
6 \% ?/ t* }7 t3 W5 f1 _ elseif <condition> then
$ Z7 M) _, [/ C9 |: S; R0 D& w <statement sequence2>;
. t2 V |) G) S% p4 f' ^ else
- U7 J( r/ e& u0 _# m& R <statement sequence3>;# b# d0 p0 T% C/ j* Z
end;$ R: Y4 [, H2 H
如果分支比较多，用：
+ m/ l* Z8 A ^8 q$ R inspect <expression>( C8 R( R, e. w3 E! z* T
when <constant_list> then
6 f, p7 t" q6 i$ N& X' U g <statement sequence1>;9 \) F7 d! {9 y9 {1 d6 P2 F
when <constant_list> then
- W$ Z" }' ~6 Q <statement sequence2>;
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else
4 Z5 L% {5 D" U- d <statement sequence3>;7 U/ _% y9 S( g* I
end;
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7 `' F% e" \/ g) ~1 Y( q2循环语句
2 S& E+ i4 q- }: o# j (1) from <statement sequence1>2 c$ F# a& m$ H
until <condition> loop
, G: P9 E* O! E5 {! l7 E <statement sequence2>;* }1 @& Z, s0 X+ P2 q
end;
5 s# w0 B5 A6 t( |, d4 n* J3 a (2) while <condition> loop
! h( p j# b) P& P% l5 L: N W! t <statement sequence1>;
t$ m$ e! Q; h8 w4 a9 ^1 b end;/ q. s/ n# Y0 b
(3) repeat & G7 V5 _% E$ z/ U' x
<statement sequence1>; m) |3 a) b; E% L
until <condition>;& ]: L3 N6 d; n; u7 a( C/ o }( Q
(4) for <condition> to <condition> loop3 R; I( B/ U; P) l3 N/ @5 s
<statement sequence1>;
* [. l( q5 _' L2 y5 ~5 W. `: U9 R next;$ Y7 v: W% _ w4 N% z6 d
3中断语句
( C: h2 q2 t7 p% h" u( r E waituntil <condition> prio <integer expression>;
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3 A* M9 y9 {) P1 R4 ~% ~' x以上为常用的函数！" V5 c3 y% u; I* S
还有很多，如有需要我把资料发到你邮箱里
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