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25.类,对象,成员实例

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发表于 2013-3-9 00:28:28 | 显示全部楼层 |阅读模式

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第一种写法:
6 L% z- H, w. R# M& a7 o#include <iostream>& D2 z/ E& j  X0 t# v& {7 }
using namespace std;
: K$ ~( `7 o# @- D9 Eclass Human. E" |: k* c$ k+ ?) [# I  _. w6 H
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public:; @" T1 B2 W! N
void GetHeight(){cout<<Height;}
1 }' _4 ^, E' c; H0 q* q4 \) r void GetWeight(){cout<<Weight;}
* b3 n4 O8 j4 X; k void SetHeight(int x){Height=x;}
' z( E' h4 U" ~1 W# x void SetWeight(int y){Weight=y;}0 @6 j# S* ^) a) l$ V
private:
, }6 _! ^2 z: ]/ V int Height;
* X. D1 |. I8 w( L/ Z int Weight;
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void main(void)
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   Human Lee;
$ I  y& P" e/ b; {   Lee.SetHeight(172);+ n( o* }- m/ N0 H
   cout<<"Lee的身高是:";
8 Y4 |( q* ]) g  N   Lee.GetHeight();+ T8 O! l0 O' w2 w6 _
   cout<<endl;
9 l9 f: ?3 c2 n4 c, A. H; ~) u7 S7 X   Lee.SetWeight(120);
: H1 X' P: J* A0 D  Y   cout<<"Lee的体重是:";2 p5 Z- }6 K! d) B) E6 ?
   Lee.GetWeight();
4 K* G. c* K! W4 V# z; L% W   cout<<endl;6 }/ r8 i% m' }2 C: e, ~  v2 g. ]
}
; U2 E- f+ U5 a; c* I第二种写法:
$ S2 d3 u( o% a& m: f#include <iostream>! m& h+ ?) o" o9 }8 V& E
using namespace std;
# W9 z, f" I4 H6 t; k5 tclass Human8 P+ V1 L! |+ J; E9 J& r4 D6 q
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public:
, Z! j0 L" S: ?. V8 I0 s; Z void GetHeight();5 j. R. L! z. \) t
    void GetWeight();# A1 Z9 n7 M* g# E: s
void SetHeight(int x);& s3 i4 P% A0 d) _+ b, ^
void SetWeight(int y);
; r! Y! e) l) m5 D6 W0 o( \  mprivate:
% C% ], V( m: Y/ f5 c: n8 V. T4 Z% X int Height;+ h( d% k$ v; j
int Weight;
( v' ?( S3 m$ R7 A5 E$ a4 @6 b6 ^};
! I+ T% n9 l( J! T  vvoid Human::SetHeight(int x)
/ B9 l% e% \, z$ y4 G! ^. t{
! s# _9 s2 d9 r Height=x;
, z/ V9 Z4 r( K7 F}
* \( G  o3 Q% G# X& N- ?$ wvoid Human::GetHeight()
" u+ w% Z7 K9 W$ a; p7 h" n; x{  z. \; L& S9 z  Y1 Q8 i; u
cout<<Height;5 D5 x0 c# B5 E$ [6 P4 z7 D
}
# [0 Q1 T2 t; u. `  M  i4 Ovoid Human::SetWeight(int y)
* Z/ Y$ M5 I, m& l) T: v1 P3 u0 `{
7 C3 Q% y, y, n. _% a% ^$ u Weight=y;3 a" R: I( {* x3 w- V! N
}
$ z( X7 z" _- c7 J) Y4 N5 _, a0 rvoid Human::GetWeight()% D; m; k2 F$ Y
{: v1 Z3 E' y  H8 m
cout<<Weight;4 E4 |  B8 L* f) v0 R
}2 R, g! W. _) ]0 C5 @: ?
void main(void)& i6 ]& m' v3 v/ n
{
2 x1 i' F6 r+ u( R8 g   Human Lee;
/ [. k8 u5 {9 j+ B. z   Lee.SetHeight(172);) n/ Z: G) j; q' W$ g
   cout<<"Lee的身高是:";( c0 y8 x) M8 a3 X0 h% t
   Lee.GetHeight();: t( V, ?& s  ]& @
   cout<<endl;* F$ A6 {; n0 Z* ?, k3 h
   Lee.SetWeight(120);
6 z% w, B3 F/ a   cout<<"Lee的体重是:";
, t9 B7 q& |# |  o   Lee.GetWeight();3 \) f- f9 G1 v7 d
   cout<<endl;# c, W! ]- F) C+ q5 C/ s9 O5 N
}, Z) K3 d- E6 s; A  N. _6 ~
推荐第二种写法
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