|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句+ t: e p$ M- V8 d3 r
if <condition> then
3 i, v% J$ s+ F! A8 g: i <statement sequence1>;. Z6 w* W, t7 ?9 R7 X
elseif <condition> then
, X) S7 \+ v3 p- P3 j7 ] <statement sequence2>;( o, a$ D7 W: e
else
5 K l. N$ r7 Q' w <statement sequence3>;
: G1 _/ w# T2 K+ E/ W7 B1 l. t6 Q3 B2 M end;* Z. n: } B, G7 i
如果分支比较多，用：9 u& J: O/ L% Z% W
inspect <expression>3 \* I/ y8 }9 _1 c4 P
when <constant_list> then
$ g* H( O/ l) b: O0 R" U! {: o) | <statement sequence1>;
( {+ }8 B. x9 P8 P+ i' O, S when <constant_list> then9 K7 a5 D6 ~/ u6 x, E& Y
<statement sequence2>;8 s* c- B g' \0 M
...8 o) L! x- h$ q [9 _
else
3 h/ D: m' U2 r9 N2 q <statement sequence3>;* A5 d- Z% P5 m, T5 w0 E
end;
+ ~# K; w# Y, q3 ]: ?! H; T; V8 b {8 h$ Q7 K3 [6 I
2循环语句
2 {( s3 @3 F$ S9 y! p; ^ (1) from <statement sequence1>1 q2 @. @& E$ a6 L
until <condition> loop) y/ p3 O3 Q/ e: u9 s( r
<statement sequence2>;1 j" i" b4 B" J/ L+ T
end;
7 ~9 l, v- J$ W+ g (2) while <condition> loop
# ?5 M/ `1 _9 Y! d! q5 p <statement sequence1>;$ X# m" {( H' J
end;
$ B( h4 j9 l6 q7 P- m (3) repeat 4 J+ J4 E/ s: w/ c p% u; p
<statement sequence1>;
3 _, l; z3 J# s$ z' E+ l until <condition>;. t. j- c) f' l. a# _* R0 J
(4) for <condition> to <condition> loop
2 f' l( `' y8 {- Z# U7 X5 Q <statement sequence1>;
& f' Z( k0 Q7 U/ p1 ` next;
9 ?" d' c. n- o# I3中断语句% j) U* E( j: A% ?% e. @! u" B
waituntil <condition> prio <integer expression>;) ^$ v+ [8 ?& J/ k% W$ ? m% V
1 `' c/ S+ W2 g+ F* l+ n# n
# ~& a: ^) k: q! G! ?以上为常用的函数！
) \8 @- |) y0 o# R/ f还有很多，如有需要我把资料发到你邮箱里
$ Y0 {2 E( ^8 {4 @8 N- q+ V; L1 g" U6 |9 K1 X1 L2 |7 y, Z
- i( X! B/ c( m4 U, s4 s" |8 C
0 v' [. @4 z8 D( G6 y $ n' w: e) }7 ?
% m6 }. Q5 N- P) b- u6 h
2 Y) N" a$ L% J5 k- ? |3 W: r
9 Q! M; a$ S) l- @8 Y# e& C% m8 X7 k$ f0 R
6 y3 U! }* ?0 V( M w7 C * m, l/ f( X0 x- [: I8 ~4 K& N. z
|
|
[复制链接]
