Create Myarray.cpp

类和对象/类的封装案例2/Myarray.cpp

@@ -0,0 +1,72 @@
+#include"myArray.h"
+
+
+
+	myArray::myArray()
+	{
+		cout << "无参构造函数调用" << endl;
+		this->m_Capaity = 100;
+		this->m_Size = 0;
+		this->pAddress = new int[100];
+	}//默认构造函数，可限制容量为100
+	myArray::myArray(int m_capacity)
+	{
+		cout << "you参构造函数调用" << endl;
+		this->m_Capaity = m_capacity;  //理解this解决名字冲突的作用
+		this->m_Size = 0;
+		this->pAddress = new int[this->m_Capaity];
+	}//有参构造函数，可以自定义容量	
+
+	myArray::myArray(const myArray &p) 
+	{
+		cout << "拷贝函数调用" << endl;
+		this->m_Capaity = p.m_Capaity;  //理解this解决名字冲突的作用
+		this->m_Size = p.m_Size;
+
+		this->pAddress = new int[p.m_Capaity];
+		for (int i = 0; i <m_Size; i++)
+		{
+			this->pAddress[i] =p.pAddress[i];
+		}
+	}//拷贝函数
+	int& myArray:: operator[](int index)
+	{
+		return this->pAddress[index];
+	}
+	myArray::~myArray()
+	{
+		cout << "析构函数调用" << endl;
+		if(this->pAddress!=NULL)
+		{
+			delete [] this->pAddress;
+			this->pAddress = NULL;
+		}
+	}//析构函数
+
+	//尾插法
+	void myArray:: pushback(int val)
+	{
+		this->pAddress[this->m_Size] = val;
+		this->m_Size++;
+	}
+	//设置对应位置数值
+	void myArray::SetData(int pos, int val)
+	{
+		this->pAddress[pos] = val;
+	}
+
+	//获取对应位置数据
+	int myArray::GetData(int pos)
+	{
+		return (this->pAddress[pos]);
+	}
+	//获取数组容量
+	int myArray::GetCapacity()
+	{
+		return this->m_Capaity;
+	}
+	//获取数组大小
+	int myArray::GetSize()
+	{
+		return this->m_Size;
+	}