|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句, F% ~+ e4 ^/ B' Q
if <condition> then
( O w: A e: j <statement sequence1>;! ?% c0 Z$ |* U
elseif <condition> then2 o. C9 u' c3 M$ x$ `3 @
<statement sequence2>;' V1 ~, b+ x6 m% ^- A8 R
else ' o1 ?+ S+ H- o+ t- H9 i
<statement sequence3>;! a& f, Y7 H/ t {- B$ z
end;7 ?) L. p# x3 L+ Z
如果分支比较多，用：) U2 B5 u3 \8 I: b
inspect <expression>
1 H9 w( j5 @- r! @1 K) R5 a when <constant_list> then
' W8 N* R5 m$ U" W, l* o) K <statement sequence1>;! ^0 N3 L0 u$ f
when <constant_list> then4 {5 J! ~/ u0 k, v: C. ~3 e A
<statement sequence2>;4 p& @1 B& r+ V* k r
...9 F% H" l! ]0 [: _& v/ c/ e
else
; L2 f \; j5 @5 X; S1 b <statement sequence3>;
4 O X; b& W1 v% ]end;
- Y" D% t' E1 h9 F* t! X3 V: [: T: W$ E. E
2循环语句
5 A1 x/ U" n+ N (1) from <statement sequence1>6 z9 M+ e0 O3 w, L* @; ]# p! H
until <condition> loop; k6 ~, T( I) o& T8 H; r
<statement sequence2>;
5 D1 r4 N4 Z4 |' u end;
; r& T5 J& k( e$ \+ ` (2) while <condition> loop
: I; U# O. }5 I: ?# E' P <statement sequence1>;# n4 n0 a6 Z; r0 E u4 N
end;4 t8 r2 v% Y% ~* p
(3) repeat ; [: \& _: E N% a' z
<statement sequence1>;
# K2 a' y1 I* _. u2 g% L, T4 q# G+ n until <condition>;3 B3 r4 l+ q: J! v$ U
(4) for <condition> to <condition> loop. s$ C: y' j/ _
<statement sequence1>;& q e1 \% P& _9 A/ t; e
next;
3 J8 X+ B' [3 ~$ u8 S3中断语句1 ^; ~! f: n, J q/ S4 S% ~# h( O; `
waituntil <condition> prio <integer expression>;
' s2 @+ r- K! p( H/ |5 ^
% \. u' t5 _( q2 U4 }& f
2 _9 r( J2 e/ ^% k1 [以上为常用的函数！. j: z" c% j5 v- W, m: t3 X6 i
还有很多，如有需要我把资料发到你邮箱里
/ a* ?6 S: i) v |# e# ]3 N0 A( M! \4 s; X. v
3 d$ ]3 R3 [6 @3 ]( X8 d
4 I! Q' I! `. ~2 I6 h% ~0 y
" r: x! g, F. M g' C# ?
9 b' R T5 C. T0 h" F5 ~! O" i
; p: s" @8 _' F7 m- [" U4 t. Q( a$ _3 l& u3 s% R3 h8 F" I4 C
/ g1 s' c! t1 ^; x1 T* j# }% d* O. X1 u3 ]; R: e% O, n
/ R5 v8 c% G f0 c8 ] |
|
[复制链接]
