|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
% q/ P% K |0 V1 a1 e& x* p& C4 k- \8 w if <condition> then. i& l2 R2 B2 \7 M' I& R& x
<statement sequence1>;9 Q* f+ B9 j2 r4 V1 {; A
elseif <condition> then% l: Z+ i# d# ~2 c( J
<statement sequence2>;
% [. r$ S$ N4 E" H7 ~ else
1 m7 W* h: s& H# p <statement sequence3>;
* K7 f- p% w4 A% _3 E" J" y end;* w7 P# o" L" R8 c9 ^/ q+ {% {
如果分支比较多，用： J9 \1 q% k, X/ N- h* S/ w* L& ]3 `
inspect <expression>7 {: d0 T5 m* D1 r3 b A& J
when <constant_list> then
" ^3 E: ~# x' r* N% T <statement sequence1>;
9 f0 p5 b1 V' u& T# A when <constant_list> then: f) O$ l& a: u* G5 Z/ T8 x
<statement sequence2>;8 s) Z" t5 y# [- ?. D5 x# I
...
& h0 ~8 f( R1 d else* E% N0 t3 Q; x2 @8 o1 B
<statement sequence3>;1 V0 M6 o1 f$ t; _
end;" v, p/ |0 D+ u
8 h' x( p$ H) N& m' ~0 k
2循环语句 e% s3 j$ o" [4 g! u
(1) from <statement sequence1>
2 l, k# p/ ~* X until <condition> loop
( K# R% x5 @/ a; p) c <statement sequence2>;
/ {- w! Q' p6 r+ C: Z end;
% C! q' G) o1 r3 c6 E4 z3 X (2) while <condition> loop2 h6 O. o3 ?/ w7 A6 p4 A
<statement sequence1>;8 C! U) k& E1 r& A/ M4 u3 }
end;
, g% C8 X4 B/ M2 B, q" F% I (3) repeat
4 ~) W& D9 l+ z' r" p% t7 Z" T: G <statement sequence1>;/ K, F& s/ i6 f( O: h! k& r' v. `
until <condition>;* ~6 n2 l% z9 J. }7 d6 w- W
(4) for <condition> to <condition> loop9 E) e' ]$ _! U! _' W* z
<statement sequence1>;
4 X( x! ^% c1 w9 P2 j next;
% }' N6 X$ c% A5 F# D/ B2 |! O# ~3中断语句
& w8 N- N8 r, f waituntil <condition> prio <integer expression>;
3 J- M9 M0 H; A5 A
- p- z' {4 M: U9 o# l" g
7 {, R! A# \; @7 @6 M4 w以上为常用的函数！0 L X# D9 U5 W/ u3 K
还有很多，如有需要我把资料发到你邮箱里 6 V; t2 B8 i6 Q9 C$ G& t
" u j0 M3 W, }/ _) g* G1 ?
, ^( l) |. I9 Z! D3 y9 y( U
p, p/ _7 [; K% F- E, e
" Y- j* _8 ^ l) w
$ F* x0 y, S1 G3 e4 K/ r% a! F" f: X! ^/ j" g2 A: H
8 n6 g0 W! S" F, X( h7 `
1 i3 y# L9 q7 c% M# G& k7 }' G" u6 C: C
; a2 r" X* I) G' g9 g" p; R |
|
[复制链接]
