沒有引入名字空間std
using?namespace?std;#include<iostream>
using?namespace?std;
template<class?t>
class?ex
{
t?value;
public:
ex(t?v):value(v){}
void?setv(t?ha){value=ha;}
t?getv(){return?value;}
};
void?main()//主程序這有錯,剛學看不出來,謝謝
{
ex<int>?a(23),b(90);
cout<<a.getv()<<endl;
cout<<b.getv()<<endl;
ex<char>?u('3');
cout<<u.getv()<<endl;
system("pause");
}