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C#编写仿照windows计算器- Achely's Blog

　　//===================================作者：宇智波涛==================================
　　//
//=================================时间：2010年4月30号================================
　　//
//===========================编程新手爱好编程希望结交各种高手==========================
　　using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
　　namespace 计算器
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
　　 private void Form1_Load(object sender, EventArgs e)
{
　　 }
　　 string text = "0", sign;//sign用来标记加减乘除的运算的；
double number1, number2 = 0, number3 = 0, number = 0;//number1表示前台数 number2,number3表示后台数
　　//======================================数字=========================================
　　 private void Number0_Click(object sender, EventArgs e)
{
if (text == "0")
{
textBox1.Text = "0";
text = textBox1.Text;
}
else
{
text = textBox1.Text;
textBox1.Text = text + "0";
}
number1 = Convert.ToDouble(textBox1.Text);
}
　　 private void Number1_Click(object sender, EventArgs e)
{
if (text == "0")
{
textBox1.Text = "1";
text = textBox1.Text;
}
else
{
text = textBox1.Text;
textBox1.Text = text + "1";
}
number1 = Convert.ToDouble(textBox1.Text);
}
　　 private void Number2_Click(object sender, EventArgs e)
{
if (text == "0")
{
textBox1.Text = "2";
text = textBox1.Text;
}
else
{
text = textBox1.Text;
textBox1.Text = text + "2";
}
number1 = Convert.ToDouble(textBox1.Text);
}
　　 private void Number3_Click(object sender, EventArgs e)
{
if (text == "0")
{
textBox1.Text = "3";
text = textBox1.Text;
}
else
{
text = textBox1.Text;
textBox1.Text = text + "3";
}
number1 = Convert.ToDouble(textBox1.Text);
}
　　 private void Number4_Click(object sender, EventArgs e)
{
if (text == "0")
{
textBox1.Text = "4";
text = textBox1.Text;
}
else
{
text = textBox1.Text;
textBox1.Text = text + "4";
}
number1 = Convert.ToDouble(textBox1.Text);
}
　　 private void Number5_Click(object sender, EventArgs e)
{
if (text == "0")
{
textBox1.Text = "5";
text = textBox1.Text;
}
else
{
text = textBox1.Text;
textBox1.Text = text + "5";
}
number1 = Convert.ToDouble(textBox1.Text);
}
　　 private void Number6_Click(object sender, EventArgs e)
{
if (text == "0")
{
textBox1.Text = "6";
text = textBox1.Text;
}
else
{
text = textBox1.Text;
textBox1.Text = text + "6";
}
number1 = Convert.ToDouble(textBox1.Text);
}
　　 private void Number7_Click(object sender, EventArgs e)
{
if (text == "0")
{
textBox1.Text = "7";
text = textBox1.Text;
}
else
{
text = textBox1.Text;
textBox1.Text = text + "7";
}
number1 = Convert.ToDouble(textBox1.Text);
}
　　 private void Number8_Click(object sender, EventArgs e)
{
if (text == "0")
{
textBox1.Text = "8";
text = textBox1.Text;
}
else
{
text = textBox1.Text;
textBox1.Text = text + "8";
}
number1 = Convert.ToDouble(textBox1.Text);
}
　　 private void Number9_Click(object sender, EventArgs e)
{
if (text == "0")
{
textBox1.Text = "9";
text = textBox1.Text;
}
else
{
text = textBox1.Text;
textBox1.Text = text + "9";
}
number1 = Convert.ToDouble(textBox1.Text);
}
　　 private void buttonPoint_Click(object sender, EventArgs e)
{
try
{
textBox1.Text += ".";
text = textBox1.Text ;
number1 = Convert.ToDouble(textBox1.Text);
}
catch
{
textBox1.Text = text.Substring(0, text.Length - 1);
}
}
　　 private void buttonUnsign_Click(object sender, EventArgs e)
{
　　 number1 = 0 - Convert.ToDouble(textBox1.Text);
textBox1.Text = Convert.ToString(number1);
　　 }

　　 //=======================================运算符====================================
　　 private void buttonAddition_Click(object sender, EventArgs e)
{
if (number3 == 0)
{
number3 = number2 += number1;
}
else
{
switch (sign)
{
case "+": number3 = number2 += number1; break;
case "-": number3 = number2 -= number1; break;
case "*": number3 = number2 *= number1; break;
case "/": if (number1 == 0) textBox1.Text = "除数不能为零"; else number3 = number2 /= number1; break;
}
text = Convert.ToString(number3);
textBox1.Text = text;
}
number1 = 0;
sign = "+";
text = "0";
}
　　 private void buttonSubtraction_Click(object sender, EventArgs e)
{
if (number3 == 0)
{
number3 = number2 += number1;
}
else
{
switch (sign)
{
case "+": number3 = number2 += number1; break;
case "-": number3 = number2 -= number1; break;
case "*": number3 = number2 *= number1; break;
case "/": if (number1 == 0) textBox1.Text = "除数不能为零"; else number3 = number2 /= number1; break;
}
text = Convert.ToString(number3);
textBox1.Text = text;
}
number1 = 0;
sign = "-";
text = "0";
}
　　 private void buttonMultiplication_Click(object sender, EventArgs e)
{
if (number3 == 0)
{
number3 = number2 += number1;
}
else
{
switch (sign)
{
case "+": number3 = number2 += number1; break;
case "-": number3 = number2 -= number1; break;
case "*": number3 = number2 *= number1; break;
case "/": if (number1 == 0) textBox1.Text = "除数不能为零"; else number3 = number2 /= number1; break;
}
text = Convert.ToString(number3);
textBox1.Text = text;
}
number1 = 1;
sign = "*";
text = "0";
}
　　 private void buttonDivision_Click(object sender, EventArgs e)
{
if (number3 == 0)
{
number3 = number2 += number1;
}
else
{
switch (sign)
{
case "+": number3 = number2 += number1; break;
case "-": number3 = number2 -= number1; break;
case "*": number3 = number2 *= number1; break;
case "/": if (number1 == 0) textBox1.Text = "除数不能为零"; else number3 = number2 /= number1; break;
}
text = Convert.ToString(number3);
textBox1.Text = text;
}
number1 = 1;
sign = "/";
text = "0";
}
　　 private void buttonRadical_Click(object sender, EventArgs e)
{
textBox1.Text = Convert.ToString(System.Math.Sqrt(Convert.ToDouble(textBox1.Text)));
number2 = Convert.ToDouble(textBox1.Text);
number1 = 0;
text = "0";
}
　　 private void buttonPercent_Click(object sender, EventArgs e)
{
textBox1.Text = Convert.ToString(Convert.ToDouble(textBox1.Text) * 0.01);
number2 = Convert.ToDouble(textBox1.Text);
number1 = 0;
text = "0";
}
　　 private void buttonReciprocal_Click(object sender, EventArgs e)
{
if (textBox1.Text == "0")
{
textBox1.Text = "除数不能为零";
}
else
{
textBox1.Text = Convert.ToString(1 / Convert.ToDouble(textBox1.Text));
number2 = Convert.ToDouble(textBox1.Text);
number1 = 0;
text = "0";
}
}
　　 private void buttonResult_Click(object sender, EventArgs e)
{
number3 = 0;
switch (sign)
{
case "+": number2 += number1; textBox1.Text = Convert.ToString(number2); break;
case "-": number2 -= number1; textBox1.Text = Convert.ToString(number2); break;
case "*": number2 *= number1; textBox1.Text = Convert.ToString(number2); break;
case "/": if (number1 == 0) textBox1.Text = "除数不能为零"; else { number2 /= number1; textBox1.Text = Convert.ToString(number2); } break;
}
text = "0";
//number1 = 0;
}
　　 //========================================记忆M系列================================
　　 private void button_MC_Click(object sender, EventArgs e)
{
number = 0; textBox2.Text = "";
}
　　 private void button_MR_Click(object sender, EventArgs e)
{
textBox1.Text = Convert.ToString(number);
}
　　 private void button_MS_Click(object sender, EventArgs e)
{
number = Convert.ToDouble(textBox1.Text);
textBox2.Text = "M";
}
　　 private void button_MAdd_Click(object sender, EventArgs e)
{
if (textBox2.Text == "")
{
textBox2.Text = "M";
number = Convert.ToDouble(textBox1.Text);
}
else
{
number += Convert.ToDouble(textBox1.Text);
}
}
　　 //===================================清空删除等键=================================
　　 private void button_Backpace_Click(object sender, EventArgs e)
{
if (textBox1.Text.Length > 1)
{
textBox1.Text = textBox1.Text.Substring(0, textBox1.Text.Length - 1);
}
else
{
textBox1.Text = "0";
}
number1 = Convert.ToDouble(textBox1.Text);
}
　　 private void button_Clear_textBox_Click(object sender, EventArgs e)
{
textBox1.Text = "0";
}
　　 private void button_Clear_Click(object sender, EventArgs e)
{
number1 = number2 = number3 = 0;
text = "0";
textBox1.Text = "0";
sign = "";
}
　　 //=====================================菜单栏等键====================================
　　 private void 复制CToolStripMenuItem_Click(object sender, EventArgs e)
{
sign = textBox1.Text;
}
　　 private void 粘贴PToolStripMenuItem_Click(object sender, EventArgs e)
{
textBox1.Text = sign;
number1 = Convert.ToDouble(textBox1.Text);
}
　　 private void 帮助主题ToolStripMenuItem_Click(object sender, EventArgs e)
{
MessageBox.Show("作者：宇智波涛 QQ1095344800", "帮助");
}
　　 private void 关于计算器ToolStripMenuItem_Click(object sender, EventArgs e)
{
MessageBox.Show("这是我写的仿照windows计算器的计算器功能还不是很完善欢迎指导", "计算器");
}
　　 }
}
　　程序中还有些小问题没有解决例如点击一个数字点减号再点正负号再点小数点再点等号就是错的呵呵没改过来这样的问题还有很多慢慢改进！！！
　　我是新手欢迎各位提宝贵意见！！！

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