基本信息

---

下载

   友情提示：（无需注册或充值，赞助后即可获取资源下载链接）

---

     嘿，亲！知识可是无价之宝呢，但咱这精心整理的资料也耗费了不少心血呀。小小地破费一下，绝对物超所值哦！如有下载和支付问题，请联系我们QQ(微信同号)：813200300

本次赞助数额为： 2 元　

支付宝支付

微信支付

   源码介绍

---

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 Calcu
{
    public partial class Form1 : Form
    {
        private double _num1 = 0, _num2 = 0, _result = 0;   //第一个运算数，第二个运算数，结果
        private string _operator = "";    //运算符号
        private int _operatorCount = 0;    //运算符数量
        private bool _firstNumFlag = false;    //首数字标志位
        private int radix = 10;
        Button[] btns;
        public Form1()
        {
            InitializeComponent();
            btns = new Button[]{
                button0,button1,
                button2,button3,button4,button5,button6,button7,
                button8,button9
            };
        }
        //数字按钮的click响应方法
        private void button0_Click(object sender, EventArgs e)
        {
            if (_operator == "=")//如果前一运算符为等号且编辑框不空则清空编辑框
            {
                textBoxResult.Text = ""; _operator = ",";
            }
            if (_firstNumFlag == true)  //判断是否为首数字，是则替换，否则追加
            {
                textBoxResult.Text = "0";
                _firstNumFlag = false;
            }
            else
                textBoxResult.Text = textBoxResult.Text   "0";
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (_operator == "=")//如果前一运算符为等号且编辑框不空则清空编辑框
            {
                textBoxResult.Text = ""; _operator = ",";
            }
            if (_firstNumFlag == true)
            {
                textBoxResult.Text = "1";
                _firstNumFlag = false;
            }
            else
                textBoxResult.Text = textBoxResult.Text   "1";
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }

        private void button2_Click(object sender, EventArgs e)
        {
            if (_operator == "=")//如果前一运算符为等号且编辑框不空则清空编辑框
            {
                textBoxResult.Text = ""; _operator = ",";
            }
            if (_firstNumFlag == true)
            {
                textBoxResult.Text = "2";
                _firstNumFlag = false;
            }
            else
                textBoxResult.Text = textBoxResult.Text   "2";
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }

        private void button3_Click(object sender, EventArgs e)
        {
            if (_operator == "=")//如果前一运算符为等号且编辑框不空则清空编辑框
            {
                textBoxResult.Text = ""; _operator = ",";
            }
            if (_firstNumFlag == true)
            {
                textBoxResult.Text = "3";
                _firstNumFlag = false;
            }
            else
                textBoxResult.Text = textBoxResult.Text   "3";
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }

        private void button4_Click(object sender, EventArgs e)
        {
            if (_operator == "=")//如果前一运算符为等号且编辑框不空则清空编辑框
            {
                textBoxResult.Text = ""; _operator = ",";
            }
            if (_firstNumFlag == true)
            {
                textBoxResult.Text = "4";
                _firstNumFlag = false;
            }
            else
                textBoxResult.Text = textBoxResult.Text   "4";
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }

        private void button5_Click(object sender, EventArgs e)
        {
            if (_operator == "=")//如果前一运算符为等号且编辑框不空则清空编辑框
            {
                textBoxResult.Text = ""; _operator = ",";
            }
            if (_firstNumFlag == true)
            {
                textBoxResult.Text = "5";
                _firstNumFlag = false;
            }
            else
                textBoxResult.Text = textBoxResult.Text   "5";
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }

        private void button6_Click(object sender, EventArgs e)
        {
            if (_operator == "=")//如果前一运算符为等号且编辑框不空则清空编辑框
            {
                textBoxResult.Text = ""; _operator = ",";
            }
            if (_firstNumFlag == true)
            {
                textBoxResult.Text = "6";
                _firstNumFlag = false;
            }
            else
                textBoxResult.Text = textBoxResult.Text   "6";
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }

        private void button7_Click(object sender, EventArgs e)
        {
            if (_operator == "=")//如果前一运算符为等号且编辑框不空则清空编辑框
            {
                textBoxResult.Text = ""; _operator = ",";
            }
            if (_firstNumFlag == true)
            {
                textBoxResult.Text = "7";
                _firstNumFlag = false;
            }
            else
                textBoxResult.Text = textBoxResult.Text   "7";
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }

        private void button8_Click(object sender, EventArgs e)
        {
            if (_operator == "=")//如果前一运算符为等号且编辑框不空则清空编辑框
            {
                textBoxResult.Text = ""; _operator = ",";
            }
            if (_firstNumFlag == true)
            {
                textBoxResult.Text = "8";
                _firstNumFlag = false;
            }
            else
                textBoxResult.Text = textBoxResult.Text   "8";
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }

        private void button9_Click(object sender, EventArgs e)
        {
            if (_operator == "=")//如果前一运算符为等号且编辑框不空则清空编辑框
            {
                textBoxResult.Text = ""; _operator = ",";
            }
            if (_firstNumFlag == true)
            {
                textBoxResult.Text = "9";
                _firstNumFlag = false;
            }
            else
                textBoxResult.Text = textBoxResult.Text   "9";
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }

        private void buttonDot_Click(object sender, EventArgs e)
        {
            if (_operator == "=")//如果前一运算符为等号且编辑框不空则清空编辑框
            {
                textBoxResult.Text = ""; _operator = ",";
            }
            if (_firstNumFlag == true)
            {
                textBoxResult.Text = ".";
                _firstNumFlag = false;
            }
            else
            {
                if (textBoxResult.Text.IndexOf('.') == -1)
                    textBoxResult.Text = textBoxResult.Text   ".";
            }
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }
        // .-.*./的响应方法
        private void buttonAdd_Click(object sender, EventArgs e)
        {
            _firstNumFlag = true;
            _operatorCount = _operatorCount   1;
            if (_operatorCount == 1) //判断是否为第一个运算符
            {
                if (radix == 10)
                {
                    _num1 = Convert.ToDouble(textBoxResult.Text); //保存第一个运算数
                }
                else
                {
                    _num1 = Convert.ToInt32(textBoxResult.Text, radix);
                    
                    
                }
                _operator = " "; //保存符号
                textBoxResult.Text = "";   //清空
            }
            else
            {
                if (radix == 10)
                {
                    _num2 = Convert.ToDouble(textBoxResult.Text);
                }
                else
                {
                    _num2 = Convert.ToInt32(textBoxResult.Text, radix);


                }
                
                if (_operator == " ")
                    _num1 = _num1   _num2;
                else if (_operator == "-")
                    _num1 = _num1 - _num2;
                else if (_operator == "*")
                    _num1 = _num1 * _num2;
                else if (_operator == "/")
                    _num1 = _num1 / _num2;
                _operator = " ";
                int q = radix;
                string s = Convert.ToString((int)_num1, q);
                textBoxResult.Text = s;
            }
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }

        private void buttonSub_Click(object sender, EventArgs e)
        {
            _firstNumFlag = true;
            _operatorCount = _operatorCount   1;
            if (_operatorCount == 1) //判断是否为第一个运算符
            {
                if (radix == 10)
                {
                    _num1 = Convert.ToDouble(textBoxResult.Text); //保存第一个运算数
                }
                else
                {
                    _num1 = Convert.ToInt32(textBoxResult.Text, radix);


                }
                _operator = "-"; //保存符号
                textBoxResult.Text = "";   //清空
            }
            else
            {
                if (radix == 10)
                {
                    _num2 = Convert.ToDouble(textBoxResult.Text);
                }
                else
                {
                    _num2 = Convert.ToInt32(textBoxResult.Text, radix);


                }
                if (_operator == " ")
                    _num1 = _num1   _num2;
                else if (_operator == "-")
                    _num1 = _num1 - _num2;
                else if (_operator == "*")
                    _num1 = _num1 * _num2;
                else if (_operator == "/")
                    _num1 = _num1 / _num2;
                _operator = "-";
                int q = radix;
                string s = Convert.ToString((int)_num1, q);
                textBoxResult.Text = s;
            }
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }

        private void buttonMul_Click(object sender, EventArgs e)
        {
            _firstNumFlag = true;
            _operatorCount = _operatorCount   1;
            if (_operatorCount == 1) //判断是否为第一个运算符
            {
                if (radix == 10)
                {
                    _num1 = Convert.ToDouble(textBoxResult.Text); //保存第一个运算数
                }
                else
                {
                    _num1 = Convert.ToInt32(textBoxResult.Text, radix);


                }
                _operator = "*"; //保存符号
                textBoxResult.Text = "";   //清空
            }
            else
            {
                if (radix == 10)
                {
                    _num2 = Convert.ToDouble(textBoxResult.Text);
                }
                else
                {
                    _num2 = Convert.ToInt32(textBoxResult.Text, radix);


                }
                if (_operator == " ")
                    _num1 = _num1   _num2;
                else if (_operator == "-")
                    _num1 = _num1 - _num2;
                else if (_operator == "*")
                    _num1 = _num1 * _num2;
                else if (_operator == "/")
                    _num1 = _num1 / _num2;
                _operator = "*";
                int q = radix;
                string s = Convert.ToString((int)_num1, q);
                textBoxResult.Text = s;
            }
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }

        private void buttonDiv_Click(object sender, EventArgs e)
        {
            _firstNumFlag = true;
            _operatorCount = _operatorCount   1;
            if (_operatorCount == 1) //判断是否为第一个运算符
            {
                if (radix == 10)
                {
                    _num1 = Convert.ToDouble(textBoxResult.Text); //保存第一个运算数
                }
                else
                {
                    _num1 = Convert.ToInt32(textBoxResult.Text, radix);


                }
                _operator = "/"; //保存符号
                textBoxResult.Text = "";   //清空
            }
            else
            {
                if (radix == 10)
                {
                    _num2 = Convert.ToDouble(textBoxResult.Text);
                }
                else
                {
                    _num2 = Convert.ToInt32(textBoxResult.Text, radix);


                }
                if (_operator == " ")
                    _num1 = _num1   _num2;
                else if (_operator == "-")
                    _num1 = _num1 - _num2;
                else if (_operator == "*")
                    _num1 = _num1 * _num2;
                else if (_operator == "/")
                    _num1 = _num1 / _num2;
                _operator = "/";
                int q = radix;
                string s = Convert.ToString((int)_num1, q);
                textBoxResult.Text = s; 
            }
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }

        private void buttonEqu_Click(object sender, EventArgs e)
        {
            if (radix == 10)
            {
                _num2 = Convert.ToDouble(textBoxResult.Text);
            }
            else
            {
                _num2 = Convert.ToInt32(textBoxResult.Text, radix);


            }
            if (_operator == " ")
                _result = _num1   _num2;
            else if (_operator == "-")
                _result = _num1 - _num2;
            else if (_operator == "*")
                _result = _num1 * _num2;
            else if (_operator == "/")
                _result = _num1 / _num2;
            //进行运算
            int q = radix;
            string s = Convert.ToString((int)_result, q);
            textBoxResult.Text = s;   //显示结果
            _operator = "=";
            _operatorCount = 0;    //运算符号数清零
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }

        private void buttonBackSpace_Click(object sender, EventArgs e)
        {
            //如果不为空
            if (textBoxResult.Text.Length > 0)
                textBoxResult.Text = textBoxResult.Text.Substring(0, textBoxResult.Text.Length - 1);
            //去除最后一个字符
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }

        private void buttonClear_Click(object sender, EventArgs e)
        {
            _num1 = 0;
            _num2 = 0;
            _result = 0;
            _operator = "";
            _firstNumFlag = false;
            textBoxResult.Text = "";
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }

        private void buttonSign_Click(object sender, EventArgs e)
        {
            //如果非空
            if (textBoxResult.Text.Length >= 1)
            {
                string firstChar = textBoxResult.Text.Substring(0, 1);//获取第一个字符
                //判断第一个字符正负
                if (firstChar == "-")
                    textBoxResult.Text = " "   textBoxResult.Text.Substring(1, textBoxResult.Text.Length - 1);
                else if (firstChar == " ")
                    textBoxResult.Text = "-"   textBoxResult.Text.Substring(1, textBoxResult.Text.Length - 1);
                else
                    textBoxResult.Text = "-"   textBoxResult.Text;
            }
            textBoxResult.Focus(); //使焦点落到编辑框中
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }
        //编辑框键盘下压事件响应方法
        private void textBoxResult_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == '0')
                button0_Click(sender, e);
            else if (e.KeyChar == '1')
                button1_Click(sender, e);
            else if (e.KeyChar == '2')
                button2_Click(sender, e);
            else if (e.KeyChar == '3')
                button3_Click(sender, e);
            else if (e.KeyChar == '4')
                button4_Click(sender, e);
            else if (e.KeyChar == '5')
                button5_Click(sender, e);
            else if (e.KeyChar == '6')
                button6_Click(sender, e);
            else if (e.KeyChar == '7')
                button7_Click(sender, e);
            else if (e.KeyChar == '8')
                button8_Click(sender, e);
            else if (e.KeyChar == '9')
                button9_Click(sender, e);
            else if (e.KeyChar == '.')
                buttonDot_Click(sender, e);
            else if (e.KeyChar == ' ')
                buttonAdd_Click(sender, e);
            else if (e.KeyChar == '-')
                buttonSub_Click(sender, e);
            else if (e.KeyChar == '*')
                buttonMul_Click(sender, e);
            else if (e.KeyChar == '/')
                buttonDiv_Click(sender, e);
            else if (e.KeyChar == '=')
                buttonEqu_Click(sender, e);
            else if (e.KeyChar == 'c')
                buttonClear_Click(sender, e);
            else if (e.KeyChar == '\b')
                buttonBackSpace_Click(sender, e);
            textBoxResult.Select(textBoxResult.Text.Length, 0);//使光标落在编辑框最后面
        }

        private void SetInputFocus()
        {
            textBoxResult.Focus();
            textBoxResult.SelectionStart = textBoxResult.TextLength;
            textBoxResult.SelectionLength = 0;
        }
        //设置进制。
        private void SetInputRadix(int newRadix)
        {
            if (textBoxResult.TextLength == 0)
            {
                radix = newRadix;
                return;
            }
            else
            {
                
                if (newRadix == 10)
                {
                    
                    int a = Convert.ToInt32(textBoxResult.Text, radix);
                    textBoxResult.Text = Convert.ToString(a);
                    radix = newRadix;
                }
                else
                {
                    
                   
                    int a = Convert.ToInt32(textBoxResult.Text,radix);
                    radix = newRadix;
                    int q = radix;
                    string s = Convert.ToString((int)a, q);
                    textBoxResult.Text = s;   //显示结果
                }
                
            }
            
        }

        //设置显示的按钮
        private void SetButtonEnabled(int radix)
        {
            for (int i = 0; i < radix; i  )
                btns[i].Enabled = true;
            for (int i = radix; i < btns.Length; i  )
                btns[i].Enabled = false;
            if (radix == 10)
            {
                buttonDot.Enabled = true;
                buttonSign.Enabled = true;
            }
            else
            {
                buttonDot.Enabled = false;
                buttonSign.Enabled = false;
            }
        }

        private void radioButton2_Click(object sender, EventArgs e)
        {
           
            _operatorCount = 0;    //运算符号数清零
            SetInputRadix(2);
            SetButtonEnabled(2);
            SetInputFocus();
        }

        private void radioButton8_Click(object sender, EventArgs e)
        {
            _operatorCount = 0;    //运算符号数清零
            SetInputRadix(8);
            SetButtonEnabled(8);
            SetInputFocus();
        }

        private void radioButton10_Click(object sender, EventArgs e)
        {
            
            _operatorCount = 0;    //运算符号数清零
            SetInputRadix(10);
            SetButtonEnabled(10);
            SetInputFocus();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            radix = 10;
            radioButton10.Checked = true;
            SetButtonEnabled(radix);
            SetInputFocus();
        }
    }
}