鱼C论坛

 找回密码
 立即注册
查看: 2087|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:
" _( |8 M  r7 e: q  x9 h#include <iostream>! H& e! o' M  e3 [. P: Q7 f) f
using namespace std;  O! s0 w" v! j. A: s
class Human; V1 S- ]( I! O6 F
{0 [8 T  T- K. b2 t6 l* ^1 A
public:' a) Z# M0 l2 @% n! W
void GetHeight(){cout<<Height;}
7 R0 B; T. z4 W/ u* Z& ^" S1 j! O void GetWeight(){cout<<Weight;}
+ h5 o- z) o% ^) a0 X% U void SetHeight(int x){Height=x;}. W$ ]9 Z. w# O7 p1 R5 ^6 H
void SetWeight(int y){Weight=y;}1 J) H0 v- V8 ?5 Y( E# L' D
private:/ b* p/ F" q6 F- h% t2 H
int Height;
* g: }0 z1 _4 h$ C) V int Weight;
. \- d8 s) d% a& ~8 h! ~};
2 r2 f- u* A1 g& w* x8 I- G
/ k5 D9 Y# j) H6 n9 g+ evoid main(void)
+ S; G: F3 Q+ G( L: u8 B{
9 M( X6 c' L7 t- y: e# a: R   Human Lee;: O' f% ?, \' _; E7 D/ g
   Lee.SetHeight(172);
5 ^) v) S. ?- _" m+ m   cout<<"Lee的身高是:";6 A" ]7 U: K/ L6 g6 K0 b, V
   Lee.GetHeight();
! }0 i5 g( U. P+ D; C0 _. j# X9 Y   cout<<endl;7 p1 ~; X3 _" g1 c4 f' n3 A( O
   Lee.SetWeight(120);
6 p) i* o) S6 n' q* @6 J! j7 k   cout<<"Lee的体重是:";" w4 v3 P9 G  i! Z
   Lee.GetWeight();# q+ z' o, S9 X. b- I
   cout<<endl;# @# q' T3 b- R( q9 T% c* c
}& w' k! {4 M. ^* n
第二种写法:/ B1 F0 l, n; [6 X
#include <iostream>. r4 a/ ]/ ~+ M
using namespace std;
3 G# s$ Z" A. ^9 }) n$ Pclass Human0 ^4 C3 f- A8 l! X! s
{2 q# I+ Y/ s% L% z" Z6 r9 [
public:; f8 o5 d, z0 ~! h% i  k# E
void GetHeight();: g; p. R5 p0 G9 C5 t7 {
    void GetWeight();. ]) v7 ~$ m* E
void SetHeight(int x);$ \# \' X- i* y  ^) t: g9 Y
void SetWeight(int y);
3 b. J& ~; C% {1 z' n: E+ g( |1 i, tprivate:
# I( D6 n, Z( m4 K1 c3 S! y int Height;6 T$ \  F2 U: u
int Weight;8 l: u3 R' a0 `; S* E
};
( P9 Z" ]! {; I1 n: Vvoid Human::SetHeight(int x)( b  P6 ^( M6 u) o
{
% k% d6 c8 d$ f6 R7 R Height=x;
2 ?4 R: d  m6 W' l$ H# _* q3 T}8 E6 ]8 F: A. R- l
void Human::GetHeight()
; s# u; v' K- L, c{( \2 e! `! G& n. y3 X
cout<<Height;( \0 g2 j; B8 Z- V
}
9 c* Q3 m' Y1 gvoid Human::SetWeight(int y)/ H- Y' p9 w2 O  i- d
{
- i; S9 y4 C5 [" N& [ Weight=y;
" z* [  H! i% r+ x}
8 u) i5 J; y: v" w  g7 ?void Human::GetWeight()' f: u, C3 c" h. B2 z
{( W* `) c1 A/ n5 L: C$ d( I
cout<<Weight;
6 @8 P6 ?  D' ?2 s}1 x! Z2 Q4 o7 \! g
void main(void)
+ m- N+ P6 h+ r) E1 |4 i0 D{& ?( ]/ {: t5 v  ]9 T; P
   Human Lee;, V& ]; U7 c( u- N" A4 s2 N
   Lee.SetHeight(172);
4 ^0 k* X6 [- |4 h   cout<<"Lee的身高是:";$ b8 [) ?% V' ~
   Lee.GetHeight();1 n% A+ x) q1 E2 W1 e; A
   cout<<endl;! ~; h) {4 @- Y. f$ @3 ^1 V( P, s+ a
   Lee.SetWeight(120);0 s! ]# F9 |- R7 J3 g0 E
   cout<<"Lee的体重是:";1 i8 a1 _; M  A  h' S$ s
   Lee.GetWeight();
: u; `/ u! R1 _( O2 c$ m7 x   cout<<endl;3 M: f$ u! z- ^6 f$ q! T- I/ _
}# a4 L7 L# l# h0 Y' ~/ H
推荐第二种写法4 q7 q2 C5 z  A! |5 c' L0 A

- h- I: o5 B3 c- f, b+ L8 o
+ Y) b: Y. G2 W8 [. O7 o. F) c
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, 2026-3-4 09:20

Powered by Discuz! X3.4

© 2001-2023 Discuz! Team.

快速回复 返回顶部 返回列表