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来源：互联网发布：联想售后系统优化编辑：程序博客网时间：2024/05/17 15:21

#include<iostream>    #include<iomanip>    using namespace std;    class Matrix{    public:        Matrix() {}        ~Matrix(){}         Matrix operator +(Matrix &);             friend ostream& operator<<(ostream &output, Matrix &);          friend istream& operator>>(istream &input, Matrix &);     private:        int m_[2][4];    };<span style="font-family: Arial, Helvetica, sans-serif;">    </span>

Matrix Matrix::operator+(Matrix &m)            {        Matrix m3;        for (int  i = 0; i < 2; i++)        {            for (int j = 0; j < 4; j++)                m3.m_[i][j] = m_[i][j] + m.m_[i][j];        }        return m3;    }    istream& operator>>(istream &input, Matrix &a)    {        for (int  i = 0; i < 2; i++)        {            for (int j = 0; j < 4; j++)                cin >> a.m_[i][j];        }        cout << endl;        return input;    }    ostream& operator<<(ostream &output, Matrix &b)    {         for (int i = 0; i < 2; i++)              {                    for (int j = 0; j < 4; j++)                 cout <<setw(4)<< b.m_[i][j];                cout << endl;          }        cout << endl;        return output;    }    int main()    {        Matrix m1;        cout << "请输入m1矩阵" << endl;        cin >> m1;        cout << "m1矩阵显示：" << endl;        cout << m1;        Matrix m2;        cout << "请输入m2矩阵" << endl;        cin >> m2;        cout << "m2矩阵显示：" << endl;        cout << m2;        Matrix M;        cout << "m1矩阵和m2矩阵的和显示：" << endl;        M = m1 + m2;        cout << M;                            system("pause");        return 0;    }

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