鱼C论坛

 找回密码
 立即注册
查看: 1942|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:/ M, O0 P& r6 g0 O, ^
#include <iostream>
* W" ~) K% m, P/ J1 N& E, N! B3 i3 Pusing namespace std;9 z+ N' \+ T/ V: [
class Human
& i4 J  O3 D$ S3 a4 F{" \5 [& c! A- T- u8 U; Y3 M& `' ^
public:
+ K- w6 M) ~% P% y' e5 V& D( M void GetHeight(){cout<<Height;}
) e1 b/ c2 ~( S2 G void GetWeight(){cout<<Weight;}
7 [4 d' I# \0 h1 {7 {5 q void SetHeight(int x){Height=x;}( y! E. A2 K% H, U" L
void SetWeight(int y){Weight=y;}
* P5 E6 Y' t1 S. o! Uprivate:' F/ C9 i7 r6 e( d1 C, z- M0 b
int Height;" @0 F, n1 [' u$ _; z' p) W/ e
int Weight;' R+ S" V3 ^, ~2 h# k+ y
};6 B2 v5 {% X4 u% }1 D- Y0 x

  ?; G! ?6 h" m5 E2 X  _void main(void)0 o1 B) k' a/ t2 q' K- Z% q$ S/ R
{
, Q- b, `6 y  }2 D$ S   Human Lee;6 h; {. d8 d1 ^3 |: |. D  t( L
   Lee.SetHeight(172);# O3 {; z! ~: x, h+ F- a
   cout<<"Lee的身高是:";4 P& R% R% y9 f
   Lee.GetHeight();5 G; U( D" ]  _% {8 w6 t
   cout<<endl;. p* r: s. [2 V: f" z, L  t+ x
   Lee.SetWeight(120);! ^. m7 g% `' b4 V  t, C* V7 q0 n
   cout<<"Lee的体重是:";
5 `, a$ k. `- [  \. E4 j   Lee.GetWeight();
, p; s) @+ N) V   cout<<endl;$ X; J# Q9 T3 I5 ?4 L/ ]
}
9 |9 Z8 p; c1 w* x% v第二种写法:' s" T) W$ D) X$ R. Y
#include <iostream>( m5 u- _  u' `3 d, g/ M3 L
using namespace std;% m+ h) u8 F# o$ K4 r
class Human; u! A7 e" M# Z
{: Y  B* K* J; j. s
public:3 {' Q- s; x/ c$ Y; |$ |
void GetHeight();8 ?9 y% n, A2 w0 D0 U$ _5 N
    void GetWeight();4 l' V4 H9 U7 n  N5 \* `
void SetHeight(int x);
( X  h1 a7 E& ~ void SetWeight(int y);
4 {& q% I, l6 n8 p6 F+ X3 p% }7 `3 iprivate:/ f) Y( x! n4 v7 W$ h# B
int Height;
: \/ m% O9 ~" W0 K# @8 I0 E int Weight;/ ^. `9 D/ P/ n" b# H$ q
};
0 y' P& \* `" V, j: B, `void Human::SetHeight(int x), B) @, \0 W; Z/ F+ ~
{
' W. E: Z8 x6 o; r6 T  F2 w4 V" G Height=x;* F! O3 }/ Z7 n7 V. {
}
; C$ D4 {& c( N3 B- qvoid Human::GetHeight(); j: i0 P! V2 k$ p; y% o
{
3 ^. \/ [) w- y( N! X8 [; m cout<<Height;5 J% d3 B3 y- H( k
}
+ M0 i5 S% E* O+ Yvoid Human::SetWeight(int y)
, F0 y; J8 M* x9 Y{
1 i0 G2 X2 b2 i( }' k7 } Weight=y;% j8 I, {; h/ E# i% w( w/ x; M& C
}
  i2 ^. h9 W9 t/ Z$ O7 F! l5 X7 W& b$ Nvoid Human::GetWeight()
1 x' r5 R6 B$ Y{1 |$ n4 D( Z, y
cout<<Weight;5 E# S/ L0 Y8 K1 X4 B
}
6 u% d' ]" S% _+ r( tvoid main(void)
+ r; A7 v! M" g2 T6 y' H1 R& C{
! \0 f: o* a4 W% M   Human Lee;# Q5 @5 M' s# o# T+ Q5 x
   Lee.SetHeight(172);$ Q3 e, u7 b) J/ e% [  }
   cout<<"Lee的身高是:";% J$ ?0 L( f: l- y6 T
   Lee.GetHeight();1 N/ j1 w% N" e4 F4 ?* Z
   cout<<endl;
- ]7 g7 ]8 w+ u7 k4 G   Lee.SetWeight(120);2 B+ }4 t' D" h+ X5 a6 k% o
   cout<<"Lee的体重是:";& K& x2 c6 l- G1 B4 L
   Lee.GetWeight();
1 l( \# ?9 O4 L7 {   cout<<endl;) y: r4 b5 M, E. U, V& `
}
1 y& y8 D" n" Y+ Z+ L! j% _4 e推荐第二种写法
  D1 m' _( u7 p/ C6 b4 x4 i4 k1 L% r; L! K0 a. l9 r# n

* H) ~& Y  z$ i  g/ j( Y4 l2 I
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, 2026-2-13 08:39

Powered by Discuz! X3.4

© 2001-2023 Discuz! Team.

快速回复 返回顶部 返回列表