关于静态函数，g ++表示尚未声明该类

#ifndef _TIMEFINDER_H
#define _TIMEFINDER_H
#include <vector>
#include \"timefinder.cpp\"
using namespace std;
class TimeFinder
{
public:
    static vector<int> time_from_name(string filename);
    static int calc_seconds (vector <int> time);

};
#endif

#include \"timefinder.h\"
using namespace std;
vector<int> TimeFinder::time_from_name(string filename)//Line 14
{
    //Method Body
}

int TimeFinder::calc_seconds (vector <int> time1)//Line 37
{

    //Method Body
}