C#入门学习教程《第7章实验报告3》.doc

实验报告课程名称：C#程序设计 实验地点： 班级学号姓名一、实验名称运算符重载二、实验目的通过本章学习，理解面向对象程序设计运算符重载的概念，掌握运算符重载的语法。三、实验内容1采用面向对象的方法定义一个复数类Complex，并重载+,-,*,/运算符实现复数的四则运算，求以下算式的值:1） （答案43-76i）2） （答案2-0.2i）复数的四则运算法则加法法则：减法法则：乘法法则：除法法则：四、实验报告1源代码namespace 复数y的?乘?除y class Complex private double realpart; public double Realpart get return realpart; set realpart = value; private double imaginarypart; public double Imaginarypart get return imaginarypart; set imaginarypart = value; public Complex() this.realpart = 0.0; this.imaginarypart = 0.0; public Complex(double realpart, double imaginarypart) this.realpart = realpart; this.imaginarypart = imaginarypart; public static Complex operator +(Complex a, Complex b) Complex c = new Complex(); c.Realpart = a.realpart + b.realpart; c.Imaginarypart = a.imaginarypart + b.imaginarypart; return c; public static Complex operator -(Complex a, Complex b) Complex d = new Complex(); d.Realpart = a.realpart - b.realpart; d.Imaginarypart = a.imaginarypart - b.imaginarypart; return d; public static Complex operator *(Complex a, Complex b) Complex c = new Complex(); c.realpart = a.realpart * b.realpart - a.imaginarypart * b.imaginarypart; c.imaginarypart = a.imaginarypart * b.realpart + a.realpart * b.imaginarypart; return c; public static Complex operator /(Complex a, Complex b) Complex c = new Complex(); c.realpart = (a.realpart * b.realpart + a.imaginarypart * b.realpart) / (b.realpart * b.realpart + b.imaginarypart * b.imaginarypart); c.imaginarypart = (a.imaginarypart * b.realpart - a.realpart * b.imaginarypart) / (a.realpart * a.realpart + a.imaginarypart * a.imaginarypart); return c; public new string ToString() if (imaginarypart = 0) return string.Format(0 + + + 1 + i, realpart, imaginarypart); return string.Format(0+ 1 + i, realpart, imaginarypart); public partial class Form1 : Form public Form1() InitializeComponent(); private void button1_Click(object sender, EventArgs e) double a1 = double.Parse(textBox1.Text); double b1 = double.Parse(textBox2.Text); double a2 = double.Parse(textBox3.Text); double b2 = double.Parse(textBox4.Text); double a3 = double.Parse(textBox5.Text); double b3 = double.Parse(textBox6.Text); Complex c1 = new Complex(a1,b1); Complex c2 = new Complex(a2, b2); Complex c3 = new Complex(a3, b3); Complex c4 = c1 + c2 + c3; MessageBox.Show(c4.ToString(); private void button2_Click(object sender, EventArgs e) double a1 = double.Parse(textBox1.Text); double b1 = double.Parse(textBox2.Text); double a2 = double.Parse(textBox3.Text); double b2 = double.Parse(textBox4.Text); double a3 = double.Parse(textBox5.Text); double b3 = double.Parse(textBox6.Text); Complex c1 = new Complex(a1, b1); Complex c2 = new Complex(a2, b2); Complex c3 = new Complex(a3, b3); Complex c4 = c1 - c2 - c3; MessageBox.Show(c4.ToString(); private void button3_Click(object sender, EventArgs e) double a1 = double.Parse(textBox1.Text); double b1 = double.Parse(textBox2.Text); double a2 = double.Parse(textBox3.Text); double b2 = double.Parse(textBox4.Text); double a3 = double.Parse(textBox5.Text); double b3 = double.Parse(textBox6.Text); Complex c1 = new Complex(a1, b1); Complex c2 = new Complex(a2, b2); Complex c3 = new Complex(a3, b3); Complex c4 = c1 * c2 * c3; MessageBox.Show(c4.ToString(); textBox1.Text = ; textBox2.Text = ; textBox3.Text = ; textBox4.Text = ; textBox5.Text = ; textBox6.Text = ; private void button4_Click(object sender, EventArgs e) double a1 = double.Parse(textBox1.Text); double b1 = double.Parse(textBox2.Text); double a2 = double.Parse(textBox3.Text); double b2 = double.Parse(textBox4.Text); double a3 = double.Parse(textBox5.Text); double b3 = doub