鱼C论坛

 找回密码
 立即注册
查看: 1828|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:
1 y' b, ^0 Y1 b#include <iostream>
: G( U' H1 Z; m# rusing namespace std;
2 `- [# L1 I1 ]class Human3 Q2 |8 D9 }1 p  Z9 ?8 j, P  ?
{
( v* h6 n) D" H+ \0 p& \6 Dpublic:. t: c3 @2 T3 u& u7 i% x: G
void GetHeight(){cout<<Height;}! g; G+ I: q  r! y5 F
void GetWeight(){cout<<Weight;}" y6 t- l. \/ j' `0 d  [
void SetHeight(int x){Height=x;}! p/ X+ x, h- f! p; C4 W
void SetWeight(int y){Weight=y;}% \1 x# U( \/ x& J5 O) w, t
private:0 j  }/ }9 W2 `
int Height;4 g0 S( u0 s: {7 T2 J
int Weight;
- W; |' S9 v9 h* m. S, |2 Y0 m) ]};% ~0 l' w5 ^, s/ v) X6 G

& C8 a0 D5 G6 i7 w+ Fvoid main(void)- E- p' c+ T9 P+ n: L
{
/ `$ w& q- {3 j. s8 E   Human Lee;
9 c! h4 {, K2 i4 u, G1 z   Lee.SetHeight(172);
2 j1 h: {+ O; Z+ B  t   cout<<"Lee的身高是:";
" u: X, q6 ?% R! u2 R   Lee.GetHeight();2 p4 w! K2 b8 T, B- v- ^
   cout<<endl;( [! s$ K% }( O! u8 `: J- a
   Lee.SetWeight(120);
1 w- q/ f1 m1 y7 E) T( s   cout<<"Lee的体重是:";
  r( h* b. `3 w/ b   Lee.GetWeight();
/ o8 u/ y+ P1 S& O+ a8 P   cout<<endl;% I8 F' Q$ ~5 E4 T  h
}; c  c. q0 ]0 i7 \6 ?
第二种写法:9 b6 `2 c8 g$ _5 Z4 x
#include <iostream>' L: d# [, {$ c; h
using namespace std;) |" q  F+ d) g0 I2 n. U
class Human/ |8 M" o% u' P& Y/ o2 u
{' B$ t7 c6 L, }/ q0 b. U
public:; b: ]/ y5 B+ {7 x, Q
void GetHeight();
/ a4 {- d# D8 M% g2 e    void GetWeight();
' \- {- {# L0 o9 Y9 h- B, s- Z void SetHeight(int x);
  t: @8 p* X7 U7 x. T# y1 G0 f8 \( x" q void SetWeight(int y);2 V! Y6 }' M& H) a4 {" J
private:
4 Q- ~0 `8 B, s# s7 s; E& R8 g int Height;' w" x9 X% r% m3 a
int Weight;: k* {! i( J2 U# h/ y7 P
};! u: A  p2 c2 T4 _4 z7 ?
void Human::SetHeight(int x), f* |: I" T8 Y+ r7 J1 a4 _0 y
{4 S0 }9 w* R* x: K
Height=x;# w6 I" W1 z4 J! @9 E" j
}
. D0 f! b% b$ _9 |0 E0 u7 uvoid Human::GetHeight()  `: d: S& ^. o( z$ @& d- w6 u' u
{. B* @0 c, @" K/ a9 Z* y3 X* u
cout<<Height;
) u6 F. p9 l1 C$ n% x}5 i0 k8 x+ y, F
void Human::SetWeight(int y)
* Z5 T/ [# T2 l0 @& e4 G9 k9 }{. b7 _2 f8 G& p- H, `
Weight=y;4 b* q- _0 q5 B
}
" h) n, _9 L( d3 ~8 d' l( H, Fvoid Human::GetWeight()
0 F; ^/ P) `8 ?% H' Y2 k{6 g- K, |: _+ k8 V
cout<<Weight;+ S$ M# S4 D+ J  D
}5 I5 `6 |  r% Y0 O0 Y9 o
void main(void)- E$ z, O7 x6 V7 o/ T' y7 u
{
8 K7 h4 H5 a; T* a! [( c   Human Lee;; i# h: X/ H0 L$ s6 T( \- [
   Lee.SetHeight(172);6 C/ @# a' O. i7 I
   cout<<"Lee的身高是:";, J. i1 k3 ?$ w+ M* Y4 _
   Lee.GetHeight();0 ]1 f- ~. a: [9 v' x$ N% h
   cout<<endl;9 @5 C, O& @! I" Z' s# M; E
   Lee.SetWeight(120);7 r2 U/ W/ g4 }
   cout<<"Lee的体重是:";5 F* n3 e/ `% G/ |7 N! w5 ^
   Lee.GetWeight();( S6 {9 [/ w- k! M3 R) i  Z) y1 H
   cout<<endl;
. O% n2 m+ Z  |" a( K}
( X& Y( V- i6 f: \推荐第二种写法
+ I3 z1 ], d- D* `& F9 K* Q& }1 h" E% R  F2 ~5 o. g( S2 H8 m* s

: w  v: O6 o( W5 h7 U/ Z
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, 2026-1-28 07:43

Powered by Discuz! X3.4

© 2001-2023 Discuz! Team.

快速回复 返回顶部 返回列表