|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句. b7 l6 }3 i0 g2 ~. a4 g
if <condition> then3 }2 v6 ~3 z: I4 @
<statement sequence1>;
1 U7 c' I2 r! ~3 Z) B8 q2 q elseif <condition> then
" P2 ]: h" A& }% l5 [, k3 ]% B <statement sequence2>;
/ G4 a- Z# l; i- h" r/ f; { else * {+ ^- E! ^$ j5 T& B2 Z. Q
<statement sequence3>;4 t) H6 K4 u" J6 w3 ^
end;
% e7 v y# U/ R5 T" [8 h如果分支比较多，用：8 A1 @8 x b8 }: ]
inspect <expression>
6 ^1 `3 a* N. t4 v3 l when <constant_list> then
8 |( F" G; f$ `9 p' B5 N <statement sequence1>; L+ A8 l3 d. u. c( z
when <constant_list> then
" T* @' b7 e7 X7 s: c' d# u8 U \$ A <statement sequence2>;
: z- `9 M( e4 ] ...$ I: f: L! L9 Q Y8 B" x
else
+ `: o+ u7 \5 P <statement sequence3>;
$ A3 |; N: Q: i: A0 jend;
$ q7 U* W A, n$ F: Z0 a0 f; T
' D+ t/ \# C1 F4 `- m2循环语句
d7 E7 U; i; y3 u( ~ (1) from <statement sequence1>
m( z1 X F. Y. p3 t& S3 s until <condition> loop
7 {$ Y: x9 r; M5 ^+ U( J <statement sequence2>;
A6 J# S2 b- a; R5 m end;
+ l! f# e! {2 x2 U; O (2) while <condition> loop* B# E- l6 p: d' }) \" z/ f
<statement sequence1>;
8 h2 ]1 z7 T! q1 N end;
' b" N* d0 n: A1 G; ^ (3) repeat ! ~6 z7 ?# j% w
<statement sequence1>;
) `' v9 ~$ p0 @+ N, W# U until <condition>;
" }9 o: v6 i+ D2 A1 o# O9 X( T1 j (4) for <condition> to <condition> loop( D, p1 I" w) o
<statement sequence1>;% B: d- B9 r: @, v6 {+ `' @) a
next;
1 U; z/ {" Z4 ]/ o3中断语句
0 s, m/ y/ Z1 | P: ] waituntil <condition> prio <integer expression>;' C5 |; }* M7 |: o, i `
+ B8 S3 d8 _0 u0 n$ O5 X7 j
6 n( G+ h4 y+ S2 y- K3 k
以上为常用的函数！" K+ ~' ]2 l T8 T! Y1 R
还有很多，如有需要我把资料发到你邮箱里
2 q# ]7 A+ B% i0 J$ g- p) I z u$ T2 V2 c/ w' v
) C9 l- V: }8 k" E; T8 u0 D4 r4 w( h! L9 G4 a* d
2 x: M% A0 Z9 f* Q3 w( M
* s- a! o) a" ?( T# u8 Y
0 e& D1 q' k( d8 r# g' a3 [1 f. \* @# t' y5 ?
; g6 b" a: C8 y, U2 ^6 C
' f+ [$ D3 L. ]+ J# p" T
8 W6 y# \& ^+ Q1 @( c/ { |
|
[复制链接]
