|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
" S' W% l$ p0 L8 t) L6 R$ L if <condition> then# D T x8 R- S' V8 g+ f' T
<statement sequence1>; x7 q) R: f% A5 j! z' d3 C
elseif <condition> then# e6 h& [4 O, m* V' V
<statement sequence2>;7 R& Q. F. D* `9 Q1 d
else
6 u6 z; K; p, X2 _ C. l+ E <statement sequence3>;
) j4 Z, m ^* M end;: C( Y( B: S& D- D# i; R
如果分支比较多，用： G) v$ V4 L$ ^. [
inspect <expression>
0 p1 |! v3 i/ I8 G. g' a- y when <constant_list> then
: \( |# ?* ^- |4 g) z <statement sequence1>;
8 x K5 m; n' V/ V3 M when <constant_list> then
/ p1 W+ o% ]1 x z+ l0 ` <statement sequence2>;
% p- x8 s( }! T ...
+ Q- ?4 o/ S b$ y3 O& d else
* ?% r6 P* W+ } <statement sequence3>;; u+ T- d( i: j! H1 M
end;7 w `1 p1 g7 c9 y) k
7 C3 @: u# \+ t8 Z2循环语句
3 Z; T" M m+ V$ K5 S4 u/ q (1) from <statement sequence1>
/ ?0 m* |' t2 U, r until <condition> loop
$ h; r3 v ]; f7 x& d) o4 z( n <statement sequence2>;
% r/ c: M1 b' K. q& j$ e end;' f- P8 B7 \& y( n% |- C
(2) while <condition> loop, ?+ {) o* l7 h3 ]; r8 c
<statement sequence1>;3 Z+ i* R& v7 m
end;7 M1 ]+ }2 [6 }1 j3 y6 r
(3) repeat 6 k S4 ?" i8 c: E& o/ A
<statement sequence1>;; x1 n4 X1 l% u
until <condition>;
8 }9 J5 x& S; {/ a$ B (4) for <condition> to <condition> loop. U6 h, a! h. X; k4 f$ m4 j5 W- c* O
<statement sequence1>;
; a2 E9 \5 g# L7 s, x! T next;% N @3 Z; O' Q% }8 C9 f
3中断语句
s0 e. C0 p* r& Z; O0 d waituntil <condition> prio <integer expression>;
9 y: Z( F! o8 W8 A" v6 W6 o: }0 W6 j6 L* R, T& O( F& {; Y) w
: A( `6 c. d2 ]; o. b
以上为常用的函数！+ H' b- B( q! F7 l; O
还有很多，如有需要我把资料发到你邮箱里 6 d6 s {* c# C% }2 Q. n0 r0 }
" |4 O& T* f! R) g, x. t" d% t4 O" @5 b+ j% N1 O
5 _% C( ?+ q; i3 p$ J0 E/ O% h, d
7 a; n& L# R# F+ N
6 J& p: A8 }* y9 V) a
6 L7 i9 E# A1 X2 D
( {+ a% y/ }3 }2 y$ d! b/ a4 w2 V2 r# q' s( ~8 g
0 @( p6 A$ r/ P# p- Z
# p! J. r; {/ x5 W7 q. k
|
|
[复制链接]
