简易计算器

刚学C#，做了一个简易的计算器。

大家一起讨论讨论！
首先上图：
然后直接上代码：
using System;
using System.Collections.Generic;
using ponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace简易计算器
{
publicpartialclass Form1 : Form
{
privatedouble a = 0;
privatedouble b = 0;
privatedouble ans = 0;
private Boolean point = false; //是否有小数点
privatelong wei = 10;
privatechar op; //运算法则
public Form1()
{
InitializeComponent();
}
privatevoid Form1_Load(object sender, EventArgs e)
{
}
privatevoid textBox1_TextChanged(object sender, EventArgs e) {
}
/*数字0~9的输入*/
privatevoid button16_Click(object sender, EventArgs e)
{
enterNum(0.0);
}
privatevoid button11_Click(object sender, EventArgs e)
{
enterNum(1.0);
}
privatevoid button12_Click(object sender, EventArgs e)
{
enterNum(2.0);
}
privatevoid button13_Click_1(object sender, EventArgs e)
{
enterNum(3.0);
}
privatevoid button6_Click_1(object sender, EventArgs e)
{
enterNum(4.0);
}
privatevoid button7_Click_1(object sender, EventArgs e)
{
enterNum(5.0);
privatevoid button8_Click_1(object sender, EventArgs e) {
enterNum(6.0);
}
privatevoid button1_Click(object sender, EventArgs e)
{
enterNum(7.0);
}
privatevoid button2_Click_1(object sender, EventArgs e) {
enterNum(8.0);
}
privatevoid button3_Click_1(object sender, EventArgs e) {
enterNum(9.0);
}
/*运算法则的输入*/
privatevoid button4_Click_1(object sender, EventArgs e) {
opration('+');
}
privatevoid button9_Click_1(object sender, EventArgs e) {
opration('-');
}
privatevoid button14_Click(object sender, EventArgs e) {
opration('*');
}
privatevoid button18_Click_1(object sender, EventArgs e) {
opration('/');
}
/*‘<-’键的操作*/
privatevoid button5_Click(object sender, EventArgs e)
if (this.point == false)
this.a = this.a / 10 - (this.a % 10) / 10;
else
{
this.a = ((this.a * (this.wei / 10) - (this.a * (this.wei / 10)) % 10)) / (this.wei / 10); this.wei = this.wei / 10;
if (this.wei == 10)
this.point = false;
}
textBox1.Text = this.a.ToString();
}
/*小数点的判断*/
privatevoid button17_Click(object sender, EventArgs e)
{
this.point = true;
}
/* '='的输入 */
privatevoid button15_Click(object sender, EventArgs e)
{
equals();
}
/* 'C'键的操作 */
privatevoid button10_Click(object sender, EventArgs e)
{
this.a = 0;
this.b = 0;
this.point = false;
this.wei = 10;
this.ans = 0;
textBox1.Text = "0";
}
/*数字输入后的操作*/
privatevoid enterNum(double num)
{
if (this.point == false)
{
this.a = this.a * 10 + num;
textBox1.Text = this.a.ToString();
}
else
{
this.a = this.a + num / wei;
wei *= 10;
textBox1.Text = this.a.ToString(); }
}
/*运算法则输入后的操作*/
privatevoid opration(char i)
{
equals();
this.b = this.ans;
this.a = 0;
this.op = i;
this.wei = 10;
this.point = false;
}
/* 等号的操作 */
privatevoid equals()
{
switch (this.op)
{
case'+':
{
this.ans = this.a + this.b;
break;
}
case'-':
{
this.ans = this.b - this.a;
break;
}
case'*':
{
this.ans = this.a * this.b;
break;
}
case'/':
{
this.ans = this.b / this.a;
break;
}
default:
{
this.ans = this.a + this.b;
break;
}
}
textBox1.Text = this.ans.ToString();
}
}
}
刚做的时候没有给BUTTON命名，做好后也懒得该了，大家将就着看看把。