#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
using namespace std;
#include <string>class Person
{
public:Person(string name, int age){this->m_Name = name;this->m_Age = age;}string m_Name;int m_Age;
};//通过模板进行两个数据比较
template<class T>
bool myCompare(T & a, T &b)
{if (a == b){return true;}return false;
}//对于自定义类型，模板有时候不能达到效果，不支持调用。
//利用具体化Person函数，告诉编译器 走Person对比代码
template<> bool myCompare<Person>(Person & a, Person  &b)
{cout << "调用的是具体化代码" << endl;if (a.m_Name == b.m_Name && a.m_Age == b.m_Age){return true;}return false;
}void test01()
{Person p1("Tom", 19);Person p2("Jerry", 20);bool ret =  myCompare(p1, p2);if (ret ){cout << "p1与p2相等" << endl;}else{cout << "不相等" << endl;}}int main(){test01();system("pause");return EXIT_SUCCESS;
}

具体化语法
template<> bool myCompare(Person & a, Person &b)

template<> + 函数声明