C++实现数组类模板

本段代码是根据黑马先生教学的内容手撕出来的。特此感谢黑马先生
内容包含类数组类的设计，其中有构造函数，析构函数，拷贝函数，operator重定义=操作符，以及尾插和尾删法的运用。

hpp文件内容
#pragma once
#ifndef MyArray
#include <iostream>
#include <string>
#include <fstream>using namespace std;template<class T>
class MyArray
{public:MyArray(int Capacity)//构造函数初始化数组{//cout << "调用有参构造" << endl;this->m_Capacity = Capacity;this->m_Size = 0;this->m_Address = new T[this->m_Capacity];cout << "请输入数组的成员数量:" << endl;cin >> this->m_Size;for (int i = 0; i < this->m_Size; i++){this->m_Address[i] = i;cout << this->m_Address[i] << endl;}}MyArray(const MyArray& arr)//拷贝构造函数{//cout << "调用拷贝构造" << endl;this->m_Size = arr.m_Size;this->m_Capacity = arr.m_Capacity;this->m_Address = new T[this->m_Capacity];for (int i = 0; i < this->m_Size; i++){m_Address[i] = arr.m_Address[i];cout << this->m_Address[i] << endl;}}MyArray& operator=(const MyArray& arr) //operator重构=的拷贝构造函数{//cout << "调用operator构造" << endl;if (this->m_Address != NULL){delete[]this->m_Address;this->m_Capacity = 0;this->m_Size = 0;}this->m_Size = arr.m_Size;this->m_Capacity = arr.m_Capacity;this->m_Address = new T[this->m_Capacity];for (int j = 0; j < this->m_Size; j++){this->m_Address[j] = arr.m_Address[j];cout << this->m_Address[j] << endl;}return *this;}//尾插法MyArray& Push_Back(MyArray& arr){if (this->m_Capacity == this->m_Size){cout << "数组空间已满" << endl;}else{cout << "请输入要插入的内容：" << endl;T temp;cin >> temp;this->m_Address[m_Size] = temp;this->m_Size++;}return *this;}//尾删法MyArray& Pop_Back(MyArray& arr){if (this->m_Size == 0){cout << "数组为空" << endl;}else{this->m_Size--;}return *this;}void DisplayArr(MyArray& arr){for (int i = 0; i < this->m_Size; i++){cout << this->m_Address[i] << endl;}}~MyArray()//析构函数{//cout << "调用析构函数" << endl;if (this->m_Address != NULL){delete[]this->m_Address;}this->m_Address = NULL;}
private:T* m_Address;int m_Capacity;int m_Size;
};#endif // !MyArray#pragma once
#ifndef MyArray
#include <iostream>
#include <string>
#include <fstream>using namespace std;template<class T>
class MyArray
{public:MyArray(int Capacity)//构造函数初始化数组{//cout << "调用有参构造" << endl;this->m_Capacity = Capacity;this->m_Size = 0;this->m_Address = new T[this->m_Capacity];cout << "请输入数组的成员数量:" << endl;cin >> this->m_Size;for (int i = 0; i < this->m_Size; i++){this->m_Address[i] = i;cout << this->m_Address[i] << endl;}}MyArray(const MyArray& arr)//拷贝构造函数{//cout << "调用拷贝构造" << endl;this->m_Size = arr.m_Size;this->m_Capacity = arr.m_Capacity;this->m_Address = new T[this->m_Capacity];for (int i = 0; i < this->m_Size; i++){m_Address[i] = arr.m_Address[i];cout << this->m_Address[i] << endl;}}MyArray& operator=(const MyArray& arr) //operator重构=的拷贝构造函数{//cout << "调用operator构造" << endl;if (this->m_Address != NULL){delete[]this->m_Address;this->m_Capacity = 0;this->m_Size = 0;}this->m_Size = arr.m_Size;this->m_Capacity = arr.m_Capacity;this->m_Address = new T[this->m_Capacity];for (int j = 0; j < this->m_Size; j++){this->m_Address[j] = arr.m_Address[j];cout << this->m_Address[j] << endl;}return *this;}//尾插法MyArray& Push_Back(MyArray& arr){if (this->m_Capacity == this->m_Size){cout << "数组空间已满" << endl;}else{cout << "请输入要插入的内容：" << endl;T temp;cin >> temp;this->m_Address[m_Size] = temp;this->m_Size++;}return *this;}//尾删法MyArray& Pop_Back(MyArray& arr){if (this->m_Size == 0){cout << "数组为空" << endl;}else{this->m_Size--;}return *this;}void DisplayArr(MyArray& arr){for (int i = 0; i < this->m_Size; i++){cout << this->m_Address[i] << endl;}}~MyArray()//析构函数{//cout << "调用析构函数" << endl;if (this->m_Address != NULL){delete[]this->m_Address;}this->m_Address = NULL;}
private:T* m_Address;int m_Capacity;int m_Size;
};#endif // !MyArray
****************************************************************************
cpp文件内容
#include "MyArray.hpp"int main()
{MyArray<int> arr1(5);arr1.Push_Back(arr1);arr1.DisplayArr(arr1);arr1.Pop_Back(arr1);arr1.DisplayArr(arr1);/*MyArray<int> arr2(arr1);MyArray<int> arr3(10);arr3 = arr1;*/return 0;
}

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