版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/Kwansy/article/details/82937900
head.h
#ifndef KW_H
#define KW_H
namespace kw
{
extern std::string name;
}
#endif // KW_H
head.cpp
#include <string>
#include "head.h"
namespace kw
{
std::string name = "kwansumyuen";
}
main.cpp
#include <iostream>
#include "head.h"
using namespace std;
int main()
{
cout << kw::name << endl;
return 0;
}