鱼C论坛

 找回密码
 立即注册
查看: 2079|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:
+ E( j5 d$ H$ S" e$ F: g+ s#include <iostream>& @$ a- V7 o, H2 \5 n' S& L+ N8 t/ p, G
using namespace std;4 k- ]- Z1 h$ R, s
class Human
- D: y0 R' x! d+ r{
  G7 }" w: p5 o9 \: Z0 H5 fpublic:! L" w/ Z; V7 A. {
void GetHeight(){cout<<Height;}7 z$ X4 b6 _( o  I% W5 J+ M- @& Q9 T
void GetWeight(){cout<<Weight;}
$ [2 p9 q; F; N+ _  T6 G void SetHeight(int x){Height=x;}
- U* @+ [) y2 v" n: V void SetWeight(int y){Weight=y;}1 l- \: y2 G# t! ?/ w
private:
2 U: M& P' L; u8 e/ a. C4 i0 f int Height;
( l  S5 l/ H- J, T2 V. s6 T int Weight;
" D0 R+ ?" v" @4 W};. i8 `1 i3 h4 n0 Q5 b+ O& A8 S/ L/ E

7 G- @9 h4 N+ ]4 t3 l* c8 Q. n& G& Zvoid main(void)! z. {) G: _" d/ _
{0 W/ P4 @) J$ ~
   Human Lee;
! Q: C4 a, u+ @2 z% w! q6 b   Lee.SetHeight(172);
( s* a' ^; }1 }* Y4 i   cout<<"Lee的身高是:";
3 d% g, c- r* _% i   Lee.GetHeight();9 ?8 Q' O9 E4 R8 L9 \1 k0 ^
   cout<<endl;3 c7 H. P7 B/ W' M9 o8 {
   Lee.SetWeight(120);
# F+ @: h0 T" W; Q: i, O   cout<<"Lee的体重是:";
2 H8 U" a1 L' S1 ]9 e: T   Lee.GetWeight();: Y2 G  r; n. @) ]. t. I
   cout<<endl;
2 l4 ?5 j5 B4 Y1 [6 i}
' ?: s2 G8 ~! g第二种写法:( ?9 Q- R" V7 ~. ?0 n, n$ L
#include <iostream>1 s: o6 P, ?3 ~8 o: q0 b
using namespace std;
5 F; V6 G4 W6 E/ }$ Zclass Human
/ L( f6 _5 U# c8 U{) d7 i+ z6 P8 `; V9 v# e9 @
public:" E# W" j" T& d, z( k% {- H
void GetHeight();1 I9 h( A4 r/ g' f; C! [
    void GetWeight();5 c0 q8 q% L9 ~4 _% r( s4 Z) M
void SetHeight(int x);& ]/ g/ m, d3 V. L
void SetWeight(int y);7 e9 _; A' l9 t' k; y3 ~
private:
7 ~: ^! S& o9 `/ d# l, l! v int Height;
' j( j( m: w7 P: G9 C5 Z int Weight;
0 T& \9 c9 S" C5 E5 ^5 e};- H/ s+ B% p7 z- {+ V
void Human::SetHeight(int x)
! ^8 C4 Q0 t; `* H/ E" f{5 v0 {  t! P% [. _2 l# i) A
Height=x;/ e0 M  j) l+ c6 }
}
! b! L% L  U7 mvoid Human::GetHeight()# ]; G' i# d# h- I' ]# _) c
{; k6 Z/ i/ P+ x6 H! }: S- \* Y
cout<<Height;& I" F" d8 v( a# [! H
}9 q% P" ?  ^* d- V1 k- B- A
void Human::SetWeight(int y)$ \' M% d7 @: Q7 a9 \0 d  g! c
{
* I6 f! ]1 Z' e Weight=y;
% j, V( T& {) ?+ [* L( ?# g: H}6 `* l+ e& I' H, w  r
void Human::GetWeight()
- v& H! i+ ]0 Q9 a{# D( O. @* A2 a
cout<<Weight;% a& |- P5 q/ Q* Z- w: M
}
( F3 @: {" \6 R8 A. B* Q+ w# jvoid main(void)
6 T+ x2 Q2 Z4 K& R9 g( O! {{
( A; o3 {9 `( m4 z   Human Lee;
5 ?2 m4 K2 Z2 c9 n   Lee.SetHeight(172);7 t- w& E; ~$ V; y" P" T6 r+ d( u
   cout<<"Lee的身高是:";* P, O  ?6 |) u7 A( x
   Lee.GetHeight();
6 }: U9 F/ G* t/ J) }1 V   cout<<endl;. T+ t: e6 ?6 F4 G
   Lee.SetWeight(120);  t* k( ~# x  |  X* C+ A
   cout<<"Lee的体重是:";: n6 b) a, Z4 K9 C$ S  ~1 K! A
   Lee.GetWeight();
( B5 g: D; ?) n5 K   cout<<endl;9 r+ w  \; l8 l
}
4 ?1 W( w5 }( {; V& V推荐第二种写法
, ~$ e0 y* U. a. w& A
  x) r( w# P7 ~/ u! K; x* W9 q6 e  m1 K0 B; L4 F+ R
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, 2026-3-3 01:38

Powered by Discuz! X3.4

© 2001-2023 Discuz! Team.

快速回复 返回顶部 返回列表