初识WinForm之自制计算器

wuaixql 发表于 2017-12-16 11:54

本帖最后由 wuaixql 于 2017-12-16 11:55 编辑

昨天刚刚学了C#的WinForm窗口程序，就自己尝试去做了一个计算器，先上图
界面是丑了一点，哈哈！大牛勿喷，代码奉上，喜欢的童鞋可以拿去研究，其实挺简单的

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 JSQ
{
public partial class Frmjsq : Form
{
   public Frmjsq()
   {
         InitializeComponent();
   }

   private void btn1_Click(object sender, EventArgs e)
   {
         string n = txtShow.Text;
         txtShow.Text = n + "1";
   }

   private void btn2_Click(object sender, EventArgs e)
   {
         string n = txtShow.Text;
         txtShow.Text = n + "2";
   }

   private void btn3_Click(object sender, EventArgs e)
   {
         string n = txtShow.Text;
         txtShow.Text = n + "3";
   }

   private void btn4_Click(object sender, EventArgs e)
   {
         string n = txtShow.Text;
         txtShow.Text = n + "4";
   }

   private void btn5_Click(object sender, EventArgs e)
   {
         string n = txtShow.Text;
         txtShow.Text = n + "5";
   }

   private void btn6_Click(object sender, EventArgs e)
   {
         string n = txtShow.Text;
         txtShow.Text = n + "6";
   }

   private void btn7_Click(object sender, EventArgs e)
   {
         string n = txtShow.Text;
         txtShow.Text = n + "7";
   }

   private void btn8_Click(object sender, EventArgs e)
   {
         string n = txtShow.Text;
         txtShow.Text = n + "8";
   }

   private void btn9_Click(object sender, EventArgs e)
   {
         string n = txtShow.Text;
         txtShow.Text = n + "9";
   }

   private void btn0_Click(object sender, EventArgs e)
   {
         string n = txtShow.Text;
         txtShow.Text = n + "0";
   }

   private void btnjia_Click(object sender, EventArgs e)
   {
         string n = txtShow.Text;
         txtShow.Text = n + "+";
   }

   private void btnjian_Click(object sender, EventArgs e)
   {
         string n = txtShow.Text;
         txtShow.Text = n + "-";
   }

   private void btncheng_Click(object sender, EventArgs e)
   {
         string n = txtShow.Text;
         txtShow.Text = n + "*";
   }

   private void btnchu_Click(object sender, EventArgs e)
   {
         string n = txtShow.Text;
         txtShow.Text = n + "/";
   }

   private void btndy_Click(object sender, EventArgs e)
   {
         string nums = txtShow.Text;
         int fuhaowz = 0;
         if ( nums == '+' ||
            nums == '-' ||nums == '*'
            || nums == '/')
         {
            MessageBox.Show("错误");
            txtShow.Text = null;
         }
         else {
         char[] fuhao = { '+', '-', '*', '/' };
         for (int i = 0; i < nums.Length; i++)
         {
            for (int j = 0; j < fuhao.Length; j++)
            {
               if (fuhao == nums)
               {
                     fuhaowz = i;
                     break;
               }
            }
         }
         char b = nums;
      string[]m= nums.Split(b);
         double n1 = Double.Parse(m);
         double n2 = Double.Parse(m);
         switch (b)
         {
            case '+':
               txtShow.Text =( n1 + n2).ToString();
               break;
            case '-':
               txtShow.Text = (n1 - n2).ToString();
               break;
            case '*':
               txtShow.Text = (n1 * n2).ToString();
               break;
            case '/':
               txtShow.Text = (n1 / n2).ToString();
               break;
         }
         }
         //for (int i = 0; i < nums.Length; i++)
         //{

         // else
         // {
         //    if (nums == '+' || nums == '-' || nums == '*' || nums == '/')
         //    {
         //          fuhao = nums.ToString();
         //    }
         //    else
         //    {

         //          if (nums == '+' || nums == '-' || nums == '*' || nums == '/')
         //          {
         //             fuhao = nums.ToString();
         //          }
         //    }
         // }

         //}
   }

   private void btnqc_Click(object sender, EventArgs e)
   {
         txtShow.Text = null;
   }
}
}

wuaixql 发表于 2017-12-17 09:47

不会你举啥手！发表于 2017-12-16 13:43
能做出个大概就是好样的，楼主继续加油

谢谢，就是还有好多漏洞，目前的我还是无法解决

陌生城市 发表于 2017-12-16 12:08

支持一下孰能生巧

颜笑发表于 2017-12-16 12:12

支持一下加油

wwlychan 发表于 2017-12-16 12:18

ddddddddd

dazhuang 发表于 2017-12-16 13:21

那个大学的

wei692017 发表于 2017-12-16 13:36

这个是搞IT开发的人用的吧？

不会你举啥手！ 发表于 2017-12-16 13:43

能做出个大概就是好样的，楼主继续加油

Seven_2017 发表于 2017-12-16 13:51

不错的很不错

刘统宝 发表于 2017-12-16 14:04

能来点语音吗

baixingjian8 发表于 2017-12-16 18:03

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初识WinForm之自制计算器