C++ //类模板分文件编写问题及解决 //第一中解决方式 直接包含源文件 //第二种解决方法 将.h 和 cpp的内容写到一起，将后缀改为.hpp文件

 1 //第一种方式被注释
 2 //未被注释是第二种方式
 3 //类模板分文件编写问题及解决
 4
 5
 6 #include <iostream>
 7 #include <string>
 8 #include<fstream>
 9 //第一中解决方式  直接包含源文件
10 //#include"person.cpp"
11
12
13 //第二种解决方法 将.h 和 cpp的内容写到一起，将后缀改为.hpp文件
14
15 #include"person.hpp"
16
17
18 using namespace std;
19 //
20 //template<class T1,class T2>
21 //class Person
22 //{
23 //public:
24 //    Person(T1 name,T2 age);
25 //
26 //    void showPerson();
27 //
28 //    T1 m_Name;
29 //    T2 m_Age;
30 //};
31
32 //template<class T1,class T2>
33 //Person<T1, T2>::Person(T1 name, T2 age)
34 //{
35 //    this->m_Name = name;
36 //    this->m_Age = age;
37 //}
38 //
39 //template<class T1, class T2>
40 //void  Person<T1, T2>::showPerson()
41 //{
42 //    cout << "name= " << this->m_Name << "  年龄：" << this->m_Age << endl;
43 //}
44 //
45 void test01()
46 {
47     Person<string, int>p("Jerry", 52);
48     p.showPerson();
49 }
50 int main()
51 {
52
53     test01();
54
55
56     system("pause");
57
58     return 0;
59
60 }

 1 person.hpp
 2
 3 #pragma once
 4 #include <iostream>
 5 using namespace std;
 6
 7 #include <string>
 8 #include<fstream>
 9
10
11 template<class T1, class T2>
12 class Person
13 {
14 public:
15     Person(T1 name, T2 age);
16
17     void showPerson();
18
19     T1 m_Name;
20     T2 m_Age;
21 };
22 template<class T1, class T2>
23 Person<T1, T2>::Person(T1 name, T2 age)
24 {
25     this->m_Name = name;
26     this->m_Age = age;
27 }
28
29 template<class T1, class T2>
30 void  Person<T1, T2>::showPerson()
31 {
32     cout << "name= " << this->m_Name << "  年龄：" << this->m_Age << endl;
33 }

 1 person.cpp
 2
 3 //#include "person.h"
 4 //
 5 //
 6 //template<class T1, class T2>
 7 //Person<T1, T2>::Person(T1 name, T2 age)
 8 //{
 9 //    this->m_Name = name;
10 //    this->m_Age = age;
11 //}
12 //
13 //template<class T1, class T2>
14 //void  Person<T1, T2>::showPerson()
15 //{
16 //    cout << "name= " << this->m_Name << "  年龄：" << this->m_Age << endl;
17 //}