鱼C论坛

 找回密码
 立即注册
查看: 1896|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:2 c* Q! X3 i7 f* _; d6 h* \
#include <iostream>
0 N6 z; s  P  {7 o6 R! W4 ]using namespace std;0 d* _: c' d4 Z: m+ b2 k* I
class Human+ S# s* Q5 a2 p1 z' l
{% t! s" H' ~  ^
public:* Y% d( {  A* f* F* M! G
void GetHeight(){cout<<Height;}
! x0 q7 ^' G# J3 ?; @* I void GetWeight(){cout<<Weight;}0 w" d0 i1 k6 Z6 [' v
void SetHeight(int x){Height=x;}
  x# l7 Q) d/ Q5 Y* g2 \, { void SetWeight(int y){Weight=y;}
: k# m& I* x+ g3 E; Jprivate:
% b  K2 A( b$ S, b( w int Height;& W6 d; t" c& X! b$ D  }/ g& R
int Weight;
5 c4 T: }+ d- m( Q6 G};- H! n, w7 K3 W( N

5 B+ }5 |8 w2 F8 i" S( lvoid main(void)
, P2 a! J8 l+ t0 _* K. c{- t9 h) J. w; ~  l' i( ?
   Human Lee;3 q( l" N& X2 b. ^/ C/ {
   Lee.SetHeight(172);8 t( a9 N- n4 V# P# `4 o9 P
   cout<<"Lee的身高是:";
0 s; x% ~8 I8 M* ~   Lee.GetHeight();. d) F# N) n3 u  \3 b
   cout<<endl;  y6 b* R4 a4 ?& J0 \2 i" i
   Lee.SetWeight(120);
' x0 A' F5 P' B7 |4 `, F  G7 J; X   cout<<"Lee的体重是:";
& T$ E: U% ^4 H; k( w- |" ?   Lee.GetWeight();2 t7 z! T$ @- f$ c
   cout<<endl;
. P* ~) ?$ [+ Z}
2 d- `$ o2 _* p  J第二种写法:
" i& U' E' n( d# ?) d! t; A#include <iostream>9 t- F; z+ V- X6 ^! n% d% U
using namespace std;% H) U, z3 a5 F* p" \
class Human
5 O' w% c# R" _; X{
! G0 l9 g' E6 r& Jpublic:
1 [9 K/ n' J4 s: h9 F7 T void GetHeight();1 G# ^, C/ O0 P4 G2 x4 n
    void GetWeight();. _2 Q" L: W- L6 z( b3 E" T  ?0 L
void SetHeight(int x);# J/ c. w0 |+ L0 A7 a. J8 r
void SetWeight(int y);
% u. A1 m- d. ?: e2 \5 qprivate:
0 ?% F6 U9 Q3 y2 W7 ^. w& K5 P/ G int Height;+ o" R1 e& W. e8 R8 t
int Weight;' J* q! K& D+ g* y
};
  ]5 L: g3 d* \4 Q* z- E/ F) Avoid Human::SetHeight(int x)& L  r; g, N. |1 ~( ]
{3 M0 n; G8 X2 T5 O* D
Height=x;
6 @2 O9 [/ U! Z9 i}
7 i: v% _; K0 \) Yvoid Human::GetHeight(): G/ J) g. W* M5 U
{" j4 Q' J- I) ]. M* d7 }2 v6 W/ W
cout<<Height;1 D- }. \5 [: P, \7 z
}
8 v" D" K( ?1 h# [4 pvoid Human::SetWeight(int y)
( v+ Z3 P. I1 h6 G{$ U- Z; p! E5 p0 B) K, t5 k
Weight=y;
( i+ {4 p8 ^- p$ {9 J}
7 f% n, ?9 M2 k! x/ Z/ Vvoid Human::GetWeight()" [/ V$ r0 G* n6 l6 @( x: Z" F: T# ?
{4 `: l! A( n2 Y+ ~% J
cout<<Weight;
4 w) k1 I' l$ s3 E* ^# v1 d}
) v; y! T5 y2 q* T5 F) Mvoid main(void)- G* e' |6 v5 o
{. [0 S1 Z/ S: D8 O$ J
   Human Lee;
/ y! `+ o; F6 ~   Lee.SetHeight(172);5 i+ b* H1 ^# d* ]
   cout<<"Lee的身高是:";  g0 Z3 E; r1 A( T3 W9 M6 a
   Lee.GetHeight();
2 {! A% Y5 ~' t   cout<<endl;: j: Y( d' K. P
   Lee.SetWeight(120);
( @; J" e( d& t) i2 e$ @# P   cout<<"Lee的体重是:";9 ~" x# H' [& p, y- @  k1 c
   Lee.GetWeight();4 D6 T# F# i2 Y8 C
   cout<<endl;6 O. X7 A0 }# d( R, A6 G  e. [
}$ P/ Q* m# R1 ]# N0 l
推荐第二种写法; S$ S6 g9 ^4 M/ W6 {4 U) ~. P7 F
0 B( h3 r: x, r5 a# r5 ^

* O" O5 P: c- m6 F6 q; W3 q" m' {
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, 2026-2-6 08:46

Powered by Discuz! X3.4

© 2001-2023 Discuz! Team.

快速回复 返回顶部 返回列表