Question

\c++\c++实验\练习\123\Debug\123.exe : fatal error LNK1169: 找到一个或多个多重定义的符号

#include<iostream>
#include<fstream>
#include<string>
using namespace std;
class Person
{public:
string xm,xb;
public:
Person(string a,string b){xm=a;xb=b;}
int prt(){cout<<"姓名:"<<xm<<' '<<"性别:"<<xb<<endl;return 0;}
friend ostream &operator<<(ostream &fout,Person &p)
{ fout<<"姓名:"<<p.xm;
fout<<"性别:"<<p.xb;
return fout;
}
};
class Student:public Person
{public:
string xh,zy;
double cj;
public:
Student(string P_a,string P_b,string c,string d,double e):Person(P_a,P_b),xh(c),zy(d),cj(e){}
int prt(){cout<<"姓名:"<<xm<<' '<<"性别:"<<xb<<' '<<"学号:"<<xh<<' '<<"专业:"<<zy<<' '<<"成绩:"<<cj<<endl;return 0;}
friend ostream &operator<<(ostream &fout,Student &p)
{ fout<<"姓名:"<<p.xm<<' '<<"性别:"<<p.xb<<' '<<"学号:"<<p.xh<<' '<<"专业:"<<p.zy<<' '<<"成绩:"<<p.cj<<endl;
return fout;
}
friend istream &operator>>(istream &fin,Student &p)
{fin>>p.xm>>p.xb>>p.xh>>p.zy>>p.cj;
return fin;
}
};
void main()
{
int i,j,k=0;
Student t("Tom","Male","20110001","通信",0);
Person b("Tom","Male");
Student a[10]={Student("Tom","Male","20110001","通信",0),Student("Jerry","Male","20110002","通信",0),\
Student("Helen","Female","20110003","通信",0),Student("Tom","Male","20110001","通信",0),Student("Tom","Male","20110001","通信",0),\
Student("Tom","Male","20110001","通信",0),Student("Tom","Male","20110001","通信",0),Student("Tom","Male","20110001","通信",0),\
Student("Tom","Male","20110001","通信",0),Student("Tom","Male","20110001","通信",0),};
ofstream f1("d:\\成绩单原件.txt");
cout<<"输入10个学生数据："<<endl;
for(i=0;i<10;i++)
{cin>>a[i];
f1<<a[i];}

ofstream f2("d:\\成绩单排序.txt");
for(i=1;i<10;i++)
for(j=0;j<10-i;j++)if(a[j].cj<a[j+1].cj){t=a[j+1];a[j+1]=a[j];a[j]=t;}
cout<<"按成绩排序后:"<<endl;
for( i=0;i<10;i++){f2<<a[i]<<endl;cout<<a[i]<<endl;}

}
这个错误应该怎么改啊，如果用vc6.0可以运行，但是用2010调试能通过却不能运行，谁能帮帮忙啊，谢谢啦~

Answer 1

我使用2008编译运行都没有问题。就是生成的文件名出现乱码。

我推测，你是不是在创建2010的项目时，直接选择，从现有文件中导入。
没有将源文件放入项目目录造成的。
你可以检查一下

追问

没有啊，我是把他放在项目目录下的

追答

你重新创建一个项目，新创建一个文件，将代码拷贝进去，检测一下。