1.题目要求如下:
C#设计一个简单的计算器,实现两个数的加,减,乘,除,求幂等计算,运行效果如下图所示:
2.这边需要用到的是VS2019下的C#Windows窗体
3.来吧,展示:
using System;
using System.Windows.Forms;
namespace Calculator
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
MessageBox.Show("欢迎使用小关牌计算器!");
}
private void button1_Click(object sender, EventArgs e)
{
try
{
string s1 = textBox1.Text;
string s2 = textBox2.Text;
int i1, i2;
i1 = (int)Convert.ToInt64(s1);
i2 = (int)Convert.ToInt64(s2);
string s3 = (i1 + i2).ToString();
MessageBox.Show(s3);
}
catch
{
MessageBox.Show("错误,请检查!");
}
}
private void button3_Click(object sender, EventArgs e)
{
try
{
string s1 = textBox1.Text;
string s2 = textBox2.Text;
double i1, i2;
i1 = (int)Convert.ToInt64(s1);
i2 = (int)Convert.ToInt64(s2);
string s3 = (i1 / i2).ToString();
MessageBox.Show(s3);
}
catch
{
MessageBox.Show("错误,请检查!");
}
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
}
private void label2_Click(object sender, EventArgs e)
{
MessageBox.Show("目前不支持其他运算!");
}
private void label3_Click(object sender, EventArgs e)
{
}
private void textBox3_TextChanged(object sender, EventArgs e)
{
}
private void textBox2_TextChanged(object sender, EventArgs e)
{
}
private void button1_Click_1(object sender, EventArgs e)
{
try
{
string s1 = textBox1.Text;
string s2 = textBox2.Text;
int i1, i2;
i1 = (int)Convert.ToInt64(s1);
i2 = (int)Convert.ToInt64(s2);
string s3 = (i1 - i2).ToString();
MessageBox.Show(s3);
}
catch
{
MessageBox.Show("错误,请检查!");
}
}
private void button2_Click(object sender, EventArgs e)
{
try
{
string s1 = textBox1.Text;
string s2 = textBox2.Text;
int i1, i2;
i1 = (int)Convert.ToInt64(s1);
i2 = (int)Convert.ToInt64(s2);
string s3 = (i1 * i2).ToString();
MessageBox.Show(s3);
}
catch
{
MessageBox.Show("错误,请检查!");
}
}
private void button4_Click(object sender, EventArgs e)
{
try
{
string s1 = textBox1.Text;
string s2 = textBox2.Text;
int i1, i2;
i1 = (int)Convert.ToInt64(s1);
i2 = (int)Convert.ToInt64(s2);
double s3 = Math.Pow(i1, i2);
string s4 = Convert.ToString(s3);
MessageBox.Show(s4);
}
catch
{
MessageBox.Show("错误,请检查!");
}
}
private void button5_Click(object sender, EventArgs e)
{
//归零
textBox1.Text = string.Empty;
textBox2.Text = string.Empty;
}
}
}
这个有140多行代码稍微有点长,有待改善
4.来看看运行结果:ctrl+f5
这边自由发挥加上了弹窗提示的效果
这边演示的为9的9次方结果
希望能帮到大家,问你们要一个赞,你们会给吗,谢谢大家
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