结对编程项目--四则运算

1.同伴信息

3.程序截图

1）窗体布局截图

2）程序运行截图

4.代码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApplication2
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

public void Integerdivide()
{
String getmax = textMin.Text;
int minnum = Convert.ToInt32(getmax);  //最小范围设定

String getmin = textMax.Text;
int maxnum = Convert.ToInt32(getmin);  //最大范围设定

Random R = new Random();  //取随机数

int den1, den2, num1, num2;
den1 = R.Next(minnum, maxnum);
num1 = R.Next(minnum, den1);
den2 = R.Next(minnum, maxnum);
num2 = R.Next(minnum, den2);

if (den2 != 0)
list.Items.Add(den1 + "/" + "(" + den2 + ")" + "=");
else
{
list.Items.Add(den2 + "/" + "(" + den1 + ")" + "=");

}
}

public void Fractionadd()
{
String getmax = textMin.Text;
int minnum = Convert.ToInt32(getmax);

String getmin = textMax.Text;
int maxnum = Convert.ToInt32(getmin);

Random R = new Random();

int den1, den2, num1, num2;
den1 = R.Next(minnum, maxnum);
num1 = R.Next(minnum, den1);
den2 = R.Next(minnum, maxnum);
num2 = R.Next(minnum, den2);

if (den1 != 0)
{
if (den2 != 0)
{
list.Items.Add("(" + num1 + "/" + den1 + ")" + "+" + "(" + num2 + "/" + den2 + ")" + "=");
}
else if (den2 == 0)
{
list.Items.Add("(" + num1 + "/" + den1 + ")" + "+" + "(" + den2 + "/" + num2 + ")" + "=");
}
}
else
{
if (den2 != 0)
{
list.Items.Add("(" + den1 + "/" + num1 + ")" + "+" + "(" + num2 + "/" + den2 + ")" + "=");
}
else if (den2 == 0)
{
list.Items.Add("(" + den1 + "/" + num1 + ")" + "+" + "(" + den2 + "/" + num2 + ")" + "=");
}
}
}

public void Fractiondelete()
{
String getmax = textMin.Text;
int minnum = Convert.ToInt32(getmax);

String getmin = textMax.Text;
int maxnum = Convert.ToInt32(getmin);

Random R = new Random();

int den1, den2, num1, num2;
den1 = R.Next(minnum, maxnum);
num1 = R.Next(minnum, den1);
den2 = R.Next(minnum, maxnum);
num2 = R.Next(minnum, den2);

if (den1 != 0)
{
if (den2 != 0)
{
list.Items.Add("(" + num1 + "/" + den1 + ")" + "-" + "(" + num2 + "/" + den2 + ")" + "=");
}
else if (den2 == 0)
{
list.Items.Add("(" + num1 + "/" + den1 + ")" + "-" + "(" + den2 + "/" + num2 + ")" + "=");
}
}
else
{
if (den2 != 0)
{
list.Items.Add("(" + den1 + "/" + num1 + ")" + "-" + "(" + num2 + "-" + den2 + ")" + "=");
}
else if (den2 == 0)
{
list.Items.Add("(" + den1 + "/" + num1 + ")" + "-" + "(" + den2 + "/" + num2 + ")" + "=");
}
}
}

public void Fractionmultiply()
{
String getmax = textMin.Text;
int minnum = Convert.ToInt32(getmax);

String getmin = textMax.Text;
int maxnum = Convert.ToInt32(getmin);

Random R = new Random();

int den1, den2, num1, num2;
den1 = R.Next(minnum, maxnum);
num1 = R.Next(minnum, den1);
den2 = R.Next(minnum, maxnum);
num2 = R.Next(minnum, den2);

if (den1 != 0)
{
if (den2 != 0)
{
list.Items.Add("(" + num1 + "/" + den1 + ")" + "*" + "(" + num2 + "/" + den2 + ")" + "=");
}
else if (den2 == 0)
{
list.Items.Add("(" + num1 + "/" + den1 + ")" + "*" + "(" + den2 + "/" + num2 + ")" + "=");
}
}
else
{
if (den2 != 0)
{
list.Items.Add("(" + den1 + "/" + num1 + ")" + "*" + "(" + num2 + "/" + den2 + ")" + "=");
}
else if (den2 == 0)
{
list.Items.Add("(" + den1 + "/" + num1 + ")" + "*" + "(" + den2 + "/" + num2 + ")" + "=");
}
}
}

public void Fractiondivide()
{

String getmax = textMin.Text;
int minnum = Convert.ToInt32(getmax);

String getmin = textMax.Text;
int maxnum = Convert.ToInt32(getmin);

Random R = new Random();

int den1, den2, num1, num2;
den1 = R.Next(minnum, maxnum);
num1 = R.Next(minnum, den1);
den2 = R.Next(minnum, maxnum);
num2 = R.Next(minnum, den2);

if (den1 != 0)
{
if (den2 != 0)
{
list.Items.Add("(" + num1 + "/" + den1 + ")" + "/" + "(" + num2 + "/" + den2 + ")" + "=");
}
else if (den2 == 0)
{
list.Items.Add("(" + num1 + "/" + den1 + ")" + "/" + "(" + den2 + "/" + num2 + ")" + "=");//换
}
}
else
{
if (den2 != 0)
{
list.Items.Add("(" + den1 + "/" + num1 + ")" + "/" + "(" + num2 + "/" + den2 + ")" + "=");
}
else if (den2 == 0)
{
list.Items.Add("(" + den1 + " / " + num1 + ")" + "/" + "(" + den2 + "/" + num2 + ")" + "=");
}
}
}

private void Form1_Load(object sender, EventArgs e)
{

}

private void button1_Click(object sender, EventArgs e)
{
String getnum = textIn.Text;
int num = Convert.ToInt32(getnum);  //输入题目数

String getmax = textMin.Text;
int minnum = Convert.ToInt32(getmax);  //最小数设定

String getmin = textMax.Text;
int maxnum = Convert.ToInt32(getmin);  //最大数设定

int i;

Random R = new Random();
int import = 0;

for (i = 0; i < num; i++)
{
int den1, den2, num1, num2;
den1 = R.Next(minnum, maxnum);
num1 = R.Next(minnum, den1);
den2 = R.Next(minnum, maxnum);
num2 = R.Next(minnum, den2);

import = R.Next(0, 8);

switch (import)
{

case 0: list.Items.Add(den1 + "+" + "(" + den2 + ")" + "="); break;
case 1: list.Items.Add(den1 + "-" + "(" + den2 + ")" + "="); break;
case 2: list.Items.Add(den1 + "*" + "(" + den2 + ")" + "="); break;

case 3: Integerdivide(); break; //整数除法

case 4: Fractionadd(); break; //分数加法

case 5: Fractiondelete(); break; //分数减法

case 6: Fractionmultiply(); break;//分数乘法

case 7: Fractiondivide(); break; //分数除法

}
}

}

}
}
5.总结
通过这几个学时的学习，以及老师和助教仔细教导，我技术突飞猛进，感谢老师助教和同学指导！