|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句* T% _+ f% u# R' ~
if <condition> then
2 p* ~2 E" U' X/ P3 U <statement sequence1>;
3 E/ e2 S R6 [$ s. V8 E elseif <condition> then
8 \/ M( I1 D/ R8 R <statement sequence2>;0 ]9 H8 W# @9 m7 f8 ^' U
else
) j+ u' H( g- B4 l; i4 k <statement sequence3>; A# U8 q6 \% k U
end;
. B+ d% \; w3 j如果分支比较多，用：' j t' g7 v$ q+ l# Z5 _: f0 x
inspect <expression>- u; r, `* a4 ~9 u% F f+ Q6 z
when <constant_list> then
' |: ^3 n# M# C$ O; s <statement sequence1>;
3 p0 e* K5 F X- {! m7 Y4 W, W when <constant_list> then0 O; t6 D, h9 Y7 X+ k, I
<statement sequence2>;) f" X: _: t" u' Q9 N9 Z' \' z# V
...4 n5 m; y. e! a# t
else A' @+ H3 g/ D
<statement sequence3>;7 f& H4 h1 N) g. g* u. f
end;
. e! w) w5 ~: n& Y: Y$ \( g7 S9 v& J; A, K
2循环语句
6 X& o& g9 y6 L( E6 | P& s5 \ (1) from <statement sequence1>
7 j7 L2 E5 G* ] m9 S4 d6 n" l, h until <condition> loop
2 l2 l/ n7 S/ E Z7 j5 k$ J( [) Z <statement sequence2>;3 }& n. E e7 I( f% X
end;+ ^2 o3 k, c( {7 k9 Q
(2) while <condition> loop
: f: z8 e/ _! \$ b$ B <statement sequence1>;: H# @+ e3 Y! m* q2 k* y
end;
, w' V1 _3 i, x1 T& z" G4 K (3) repeat
D, j# |! Q3 a- Y' c! Q <statement sequence1>;
1 F3 ~5 _8 @' M/ b+ J until <condition>;
- B* k( J* R9 O* @5 K4 N0 o! l (4) for <condition> to <condition> loop2 f% i; F# E9 _! h! K* I& j
<statement sequence1>;5 J! o: x7 O% P" \8 A
next;" v. M. ~4 n z' M! ^5 B, M4 R
3中断语句: L. {' c! m6 q4 _3 S
waituntil <condition> prio <integer expression>;
, [; O3 z" v4 Z& E' \+ W( m9 D+ d2 C
7 M) V' ^" T/ ?9 I5 _ h& D以上为常用的函数！& ?0 A- e" A7 `
还有很多，如有需要我把资料发到你邮箱里 5 y) o* P: Z8 B
' {# O% x) ~- s$ t
# X# d0 Z" T- P( t- A( ]7 T
( R, m; V' F" a$ o1 l 8 {1 [" y m) W& ?4 s- c" Q
4 R4 ~" m, Y2 i5 P# G! [& L5 A. X! y) e0 I
6 B ?+ y0 q8 X& c/ e- b
& `, Q1 z) b- s5 z1 h. A
3 S9 S: b5 G0 A+ W! Z
, S7 Y$ R6 f+ i* K4 H) z+ E |
|
[复制链接]
