鱼C论坛

 找回密码
 立即注册
查看: 2235|回复: 0

25.类,对象,成员实例

[复制链接]
发表于 2013-3-9 00:28:28 | 显示全部楼层 |阅读模式

马上注册,结交更多好友,享用更多功能^_^

您需要 登录 才可以下载或查看,没有账号?立即注册

x
第一种写法:# Z0 h" t9 H5 K; @- S- u
#include <iostream>9 L( F) B8 F( |! b
using namespace std;5 m: Z& s/ z! I. i
class Human
9 ]. p& B. z; H& W: {0 [% E- I{
- _( `1 Y5 [, \" O! z( a2 opublic:) i5 s, ^5 x1 f% G2 b2 W* ]6 j9 O* K
void GetHeight(){cout<<Height;}3 L! u: i% N  d; s6 p/ S( ?
void GetWeight(){cout<<Weight;}: @- s! g' T2 L3 \
void SetHeight(int x){Height=x;}
1 Q5 R# U& ^8 s4 }: A3 g9 p' `3 n7 A void SetWeight(int y){Weight=y;}
3 Y) }8 ~6 a: a. L3 kprivate:% l7 b- g# j0 _& w& s  p
int Height;) m* B. q% l& N% X% q3 [
int Weight;
& G& U9 \. J+ ~; g# d};
  a( v* E% X& q! c* n) W! A0 f* Y3 L
void main(void)
* L+ f9 S/ G6 L7 U{
' Z/ e: p2 \$ G8 ^$ I0 x   Human Lee;  N6 F/ M2 Y+ E& @
   Lee.SetHeight(172);
" C9 g2 i& @  S+ D" ^: J   cout<<"Lee的身高是:";7 S! e9 ^( g0 _% C% _
   Lee.GetHeight();, a  U; {6 v3 D* ]6 x$ x4 }
   cout<<endl;- B! H1 y! r* R" y0 _  \2 Q. m( B
   Lee.SetWeight(120);* q0 m9 K3 q$ D' c
   cout<<"Lee的体重是:";
* B9 Z8 |; n; g' F7 m, ^) k9 o   Lee.GetWeight();
# f" F# ~  E9 w& X   cout<<endl;# C: B0 v7 K% H, D* F! s! q9 q
}  _) D0 Q% Q5 o& _) ?+ ]/ q2 r
第二种写法:' X. D/ k% j* u2 L# e* e6 P
#include <iostream>/ H; z* t- H! z
using namespace std;
! m" R0 R1 O) F9 d" t, Rclass Human
, S' Q# M+ Y# u) x' Z3 B1 _" N0 B; @- \{
' p! F3 `8 l  p- Kpublic:( ]. l9 a. p4 k3 |, I+ _- r
void GetHeight();% w2 R8 ?& }/ V; O5 g! ]
    void GetWeight();
9 Z, J9 D2 T' U% A, x' V# e! D( y( J void SetHeight(int x);: I0 o% N9 _3 d+ a* \6 R' i
void SetWeight(int y);) C+ h( h- [: O! `) ?+ a8 T% g- ]
private:; P- |8 L4 c. Q2 |2 ^+ q& {- }
int Height;* A8 @4 H( u* C& j
int Weight;: J. ^2 j1 r' c
};
4 Z; v% R- ?' ?7 F# Y9 n8 jvoid Human::SetHeight(int x)+ f4 H6 j3 q; ]
{
0 e# i, l; i# q- x+ O4 z4 k6 G Height=x;
( E( t. k* a3 S. ?+ }/ M. ~}
9 Z& F8 P& J2 f) vvoid Human::GetHeight()3 ^. d0 u5 M9 \. j% u! x& B
{8 P7 W  Q+ d# C- Y9 e7 B1 m, I0 K
cout<<Height;
( @! Y. H$ S& O, }9 f3 N}) `& _: m( S  T! R
void Human::SetWeight(int y)
6 T( ?! R* e9 ~; M& c. T{& u0 t4 ?' K, F- @: N
Weight=y;8 d$ S& R' |* h, D1 L) a
}
3 i5 k- n0 ?* @/ y( w6 j9 Xvoid Human::GetWeight()4 |6 j/ `8 X: H# D
{3 t7 c& n* Z) F$ e1 @! N$ V
cout<<Weight;. Z# o* R  t  T3 ^3 w
}3 _3 M9 X1 g; u  }. a" \& |
void main(void)
1 y0 h0 z( i5 B8 h4 R, t% u; w' e{
, Y4 Z( s1 }, ~2 b( q9 B   Human Lee;3 Q+ H* r. j7 R3 @& Z9 h6 h
   Lee.SetHeight(172);
8 Q: e# D# {' ?" R   cout<<"Lee的身高是:";7 v+ Z$ n. z& ^" p0 o$ P
   Lee.GetHeight();
- ?6 q3 g1 Z4 |   cout<<endl;
. g, C( W9 o5 _% z6 p5 g* S: P: y   Lee.SetWeight(120);
- [( B. p; J- ~% E2 _) K   cout<<"Lee的体重是:";
% P7 |# L: S+ T& q   Lee.GetWeight();' l: C; l7 D+ n6 @( a
   cout<<endl;. {/ o# g+ K( o& X+ ~) J6 q
}
5 ~" j$ _# h4 z1 s& L6 Q, z推荐第二种写法# k/ x  K) D3 O4 M

+ X$ A6 R: i7 z7 f% E
' Q. S# c# _" e3 G7 b
小甲鱼最新课程 -> https://ilovefishc.com

小黑屋|手机版|Archiver|鱼C工作室 ( 粤ICP备18085999号-1 | 粤公网安备 44051102000585号)

GMT+8, 2026-4-2 20:25

Powered by Discuz! X3.4

© 2001-2023 Discuz! Team.

快速回复 返回顶部 返回列表