谁能帮我看看这段代码怎么实现不了小数点功能？？？？
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namespace Calc
{
partial class Form1
{
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
/// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows 窗体设计器生成的代码
/// <summary>
/// 设计器支持所需的方法 - 不要
/// 使用代码编辑器修改此方法的内容。
/// </summary>
private void InitializeComponent()
{
System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1));
this.groupBox1 = new System.Windows.Forms.GroupBox();
this.Div = new System.Windows.Forms.Button();
this.close = new System.Windows.Forms.Button();
this.Open = new System.Windows.Forms.Button();
this.Add = new System.Windows.Forms.Button();
this.Sub = new System.Windows.Forms.Button();
this.Mult = new System.Windows.Forms.Button();
this.Equt = new System.Windows.Forms.Button();
this.Three = new System.Windows.Forms.Button();
this.Four = new System.Windows.Forms.Button();
this.Five = new System.Windows.Forms.Button();
this.Six = new System.Windows.Forms.Button();
this.Seven = new System.Windows.Forms.Button();
this.Eight = new System.Windows.Forms.Button();
this.Nine = new System.Windows.Forms.Button();
this.Zoer = new System.Windows.Forms.Button();
this.Two = new System.Windows.Forms.Button();
this.Point = new System.Windows.Forms.Button();
this.One = new System.Windows.Forms.Button();
this.textShow = new System.Windows.Forms.TextBox();
this.linkLabel1 = new System.Windows.Forms.LinkLabel();
this.pictureBox1 = new System.Windows.Forms.PictureBox();
this.pictureBox2 = new System.Windows.Forms.PictureBox();
this.label1 = new System.Windows.Forms.Label();
this.pictureBox3 = new System.Windows.Forms.PictureBox();
this.groupBox1.SuspendLayout();
((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit();
((System.ComponentModel.ISupportInitialize)(this.pictureBox2)).BeginInit();
((System.ComponentModel.ISupportInitialize)(this.pictureBox3)).BeginInit();
this.SuspendLayout();
//
// groupBox1
//
this.groupBox1.BackColor = System.Drawing.Color.Lime;
this.groupBox1.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("groupBox1.BackgroundImage")));
this.groupBox1.Controls.Add(this.Div);
this.groupBox1.Controls.Add(this.close);
this.groupBox1.Controls.Add(this.Open);
this.groupBox1.Controls.Add(this.Add);
this.groupBox1.Controls.Add(this.Sub);
this.groupBox1.Controls.Add(this.Mult);
this.groupBox1.Controls.Add(this.Equt);
this.groupBox1.Controls.Add(this.Three);
this.groupBox1.Controls.Add(this.Four);
this.groupBox1.Controls.Add(this.Five);
this.groupBox1.Controls.Add(this.Six);
this.groupBox1.Controls.Add(this.Seven);
this.groupBox1.Controls.Add(this.Eight);
this.groupBox1.Controls.Add(this.Nine);
this.groupBox1.Controls.Add(this.Zoer);
this.groupBox1.Controls.Add(this.Two);
this.groupBox1.Controls.Add(this.Point);
this.groupBox1.Controls.Add(this.One);
this.groupBox1.Location = new System.Drawing.Point(1, 61);
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(218, 202);
this.groupBox1.TabIndex = 0;
this.groupBox1.TabStop = false;
this.groupBox1.Text = " ";
//
// Div
//
this.Div.ForeColor = System.Drawing.Color.Red;
this.Div.Location = new System.Drawing.Point(178, 109);
this.Div.Name = "Div";
this.Div.Size = new System.Drawing.Size(35, 23);
this.Div.TabIndex = 17;
this.Div.Text = "/";
this.Div.UseVisualStyleBackColor = true;
this.Div.Click += new System.EventHandler(this.btn_Oper);
//
// close
//
this.close.ForeColor = System.Drawing.Color.Red;
this.close.Location = new System.Drawing.Point(116, 20);
this.close.Name = "close";
this.close.Size = new System.Drawing.Size(46, 23);
this.close.TabIndex = 16;
this.close.Text = "NO";
this.close.UseVisualStyleBackColor = true;
this.close.Click += new System.EventHandler(this.btn_Oper);
//
// Open
//
this.Open.ForeColor = System.Drawing.Color.Red;
this.Open.Location = new System.Drawing.Point(178, 20);
this.Open.Name = "Open";
this.Open.Size = new System.Drawing.Size(40, 23);
this.Open.TabIndex = 15;
this.Open.Text = "OFF";
this.Open.UseVisualStyleBackColor = true;
this.Open.Click += new System.EventHandler(this.btn_Oper);
//
// Add
//
this.Add.ForeColor = System.Drawing.Color.Red;
this.Add.Location = new System.Drawing.Point(131, 62);
this.Add.Name = "Add";
this.Add.Size = new System.Drawing.Size(31, 23);
this.Add.TabIndex = 14;
this.Add.Text = "+";
this.Add.UseVisualStyleBackColor = true;
this.Add.Click += new System.EventHandler(this.btn_Oper);
//
// Sub
//
this.Sub.ForeColor = System.Drawing.Color.Red;
this.Sub.Location = new System.Drawing.Point(178, 62);
this.Sub.Name = "Sub";
this.Sub.Size = new System.Drawing.Size(35, 23);
this.Sub.TabIndex = 13;
this.Sub.Text = "-";
this.Sub.UseVisualStyleBackColor = true;
this.Sub.Click += new System.EventHandler(this.btn_Oper);
//
// Mult
//
this.Mult.ForeColor = System.Drawing.Color.Red;
this.Mult.Location = new System.Drawing.Point(131, 109);
this.Mult.Name = "Mult";
this.Mult.Size = new System.Drawing.Size(31, 23);
this.Mult.TabIndex = 12;
this.Mult.Text = "*";
this.Mult.UseVisualStyleBackColor = true;
this.Mult.Click += new System.EventHandler(this.btn_Oper);
//
// Equt
//
this.Equt.ForeColor = System.Drawing.Color.Red;
this.Equt.Location = new System.Drawing.Point(72, 139);
this.Equt.Name = "Equt";
this.Equt.Size = new System.Drawing.Size(39, 23);
this.Equt.TabIndex = 11;
this.Equt.Text = "=";
this.Equt.UseVisualStyleBackColor = true;
this.Equt.Click += new System.EventHandler(this.Equt_Click);
//
// Three
//
this.Three.BackColor = System.Drawing.Color.Wheat;
this.Three.ForeColor = System.Drawing.Color.Red;
this.Three.Location = new System.Drawing.Point(77, 20);
this.Three.Name = "Three";
this.Three.Size = new System.Drawing.Size(22, 23);
this.Three.TabIndex = 10;
this.Three.Text = "3";
this.Three.UseVisualStyleBackColor = false;
this.Three.Click += new System.EventHandler(this.Open1_Click);
//
// Four
//
this.Four.ForeColor = System.Drawing.Color.Red;
this.Four.Location = new System.Drawing.Point(6, 62);
this.Four.Name = "Four";
this.Four.Size = new System.Drawing.Size(22, 23);
this.Four.TabIndex = 9;
this.Four.Text = "4";
this.Four.UseVisualStyleBackColor = true;
this.Four.Click += new System.EventHandler(this.Open1_Click);
//
// Five
//
this.Five.ForeColor = System.Drawing.Color.Red;
this.Five.Location = new System.Drawing.Point(44, 62);
this.Five.Name = "Five";
this.Five.Size = new System.Drawing.Size(22, 23);
this.Five.TabIndex = 8;
this.Five.Text = "5";
this.Five.UseVisualStyleBackColor = true;
this.Five.Click += new System.EventHandler(this.Open1_Click);
//
// Six
//
this.Six.ForeColor = System.Drawing.Color.Red;
this.Six.Location = new System.Drawing.Point(77, 62);
this.Six.Name = "Six";
this.Six.Size = new System.Drawing.Size(22, 23);
this.Six.TabIndex = 7;
this.Six.Text = "6";
this.Six.UseVisualStyleBackColor = true;
this.Six.Click += new System.EventHandler(this.Open1_Click);
//
// Seven
//
this.Seven.ForeColor = System.Drawing.Color.Red;
this.Seven.Location = new System.Drawing.Point(6, 100);
this.Seven.Name = "Seven";
this.Seven.Size = new System.Drawing.Size(22, 23);
this.Seven.TabIndex = 6;
this.Seven.Text = "7";
this.Seven.UseVisualStyleBackColor = true;
this.Seven.Click += new System.EventHandler(this.Open1_Click);
//
// Eight
//
this.Eight.ForeColor = System.Drawing.Color.Red;
this.Eight.Location = new System.Drawing.Point(44, 100);
this.Eight.Name = "Eight";
this.Eight.Size = new System.Drawing.Size(22, 23);
this.Eight.TabIndex = 5;
this.Eight.Text = "8";
this.Eight.UseVisualStyleBackColor = true;
this.Eight.Click += new System.EventHandler(this.Open1_Click);
//
// Nine
//
this.Nine.ForeColor = System.Drawing.Color.Red;
this.Nine.Location = new System.Drawing.Point(77, 100);
this.Nine.Name = "Nine";
this.Nine.Size = new System.Drawing.Size(22, 23);
this.Nine.TabIndex = 4;
this.Nine.Text = "9";
this.Nine.UseVisualStyleBackColor = true;
this.Nine.Click += new System.EventHandler(this.Open1_Click);
//
// Zoer
//
this.Zoer.ForeColor = System.Drawing.Color.Red;
this.Zoer.Location = new System.Drawing.Point(6, 139);
this.Zoer.Name = "Zoer";
this.Zoer.Size = new System.Drawing.Size(22, 23);
this.Zoer.TabIndex = 3;
this.Zoer.Text = "0";
this.Zoer.UseVisualStyleBackColor = true;
this.Zoer.Click += new System.EventHandler(this.Open1_Click);
//
// Two
//
this.Two.ForeColor = System.Drawing.Color.Red;
this.Two.Location = new System.Drawing.Point(44, 20);
this.Two.Name = "Two";
this.Two.Size = new System.Drawing.Size(22, 23);
this.Two.TabIndex = 2;
this.Two.Text = "2";
this.Two.UseVisualStyleBackColor = true;
this.Two.Click += new System.EventHandler(this.Open1_Click);
//
// Point
//
this.Point.ForeColor = System.Drawing.Color.Red;
this.Point.Location = new System.Drawing.Point(44, 139);
this.Point.Name = "Point";
this.Point.Size = new System.Drawing.Size(22, 23);
this.Point.TabIndex = 1;
this.Point.Text = ".";
this.Point.UseVisualStyleBackColor = true;
this.Point.Click += new System.EventHandler(this.btn_Oper);
//
// One
//
this.One.ForeColor = System.Drawing.Color.Red;
this.One.Location = new System.Drawing.Point(6, 20);
this.One.Name = "One";
this.One.Size = new System.Drawing.Size(22, 23);
this.One.TabIndex = 0;
this.One.Text = "1";
this.One.UseVisualStyleBackColor = true;
this.One.Click += new System.EventHandler(this.Open1_Click);
//
// textShow
//
this.textShow.Location = new System.Drawing.Point(65, 22);
this.textShow.Name = "textShow";
this.textShow.Size = new System.Drawing.Size(154, 21);
this.textShow.TabIndex = 1;
this.textShow.Text = "0.";
this.textShow.TextAlign = System.Windows.Forms.HorizontalAlignment.Right;
//
// linkLabel1
//
this.linkLabel1.AutoSize = true;
this.linkLabel1.Location = new System.Drawing.Point(33, 315);
this.linkLabel1.Name = "linkLabel1";
this.linkLabel1.Size = new System.Drawing.Size(101, 12);
this.linkLabel1.TabIndex = 2;
this.linkLabel1.TabStop = true;
this.linkLabel1.Text = "欢迎进入我的空间";
this.linkLabel1.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler(this.linkLabel1_LinkClicked);
//
// pictureBox1
//
this.pictureBox1.Image = ((System.Drawing.Image)(resources.GetObject("pictureBox1.Image")));
this.pictureBox1.Location = new System.Drawing.Point(1, 305);
this.pictureBox1.Name = "pictureBox1";
this.pictureBox1.Size = new System.Drawing.Size(26, 22);
this.pictureBox1.TabIndex = 3;
this.pictureBox1.TabStop = false;
//
// pictureBox2
//
this.pictureBox2.Image = ((System.Drawing.Image)(resources.GetObject("pictureBox2.Image")));
this.pictureBox2.Location = new System.Drawing.Point(1, 269);
this.pictureBox2.Name = "pictureBox2";
this.pictureBox2.Size = new System.Drawing.Size(28, 30);
this.pictureBox2.TabIndex = 4;
this.pictureBox2.TabStop = false;
this.pictureBox2.Click += new System.EventHandler(this.pictureBox2_Click);
//
// label1
//
this.label1.AutoSize = true;
this.label1.BackColor = System.Drawing.Color.Aqua;
this.label1.Location = new System.Drawing.Point(36, 286);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(59, 12);
this.label1.TabIndex = 5;
this.label1.Text = "353926774";
//
// pictureBox3
//
this.pictureBox3.Image = ((System.Drawing.Image)(resources.GetObject("pictureBox3.Image")));
this.pictureBox3.Location = new System.Drawing.Point(101, 279);
this.pictureBox3.Name = "pictureBox3";
this.pictureBox3.Size = new System.Drawing.Size(21, 20);
this.pictureBox3.TabIndex = 6;
this.pictureBox3.TabStop = false;
this.pictureBox3.Click += new System.EventHandler(this.pictureBox3_Click);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.BackColor = System.Drawing.Color.GhostWhite;
this.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("$this.BackgroundImage")));
this.ClientSize = new System.Drawing.Size(223, 331);
this.Controls.Add(this.pictureBox3);
this.Controls.Add(this.label1);
this.Controls.Add(this.pictureBox2);
this.Controls.Add(this.pictureBox1);
this.Controls.Add(this.linkLabel1);
this.Controls.Add(this.textShow);
this.Controls.Add(this.groupBox1);
this.Name = "Form1";
this.Text = "计算器";
this.groupBox1.ResumeLayout(false);
((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();
((System.ComponentModel.ISupportInitialize)(this.pictureBox2)).EndInit();
((System.ComponentModel.ISupportInitialize)(this.pictureBox3)).EndInit();
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
#region
private System.Windows.Forms.GroupBox groupBox1;
private System.Windows.Forms.Button close;
private System.Windows.Forms.Button Open;
private System.Windows.Forms.Button Equt;
private System.Windows.Forms.Button Three;
private System.Windows.Forms.Button Four;
private System.Windows.Forms.Button Five;
private System.Windows.Forms.Button Six;
private System.Windows.Forms.Button Seven;
private System.Windows.Forms.Button Eight;
private System.Windows.Forms.Button Nine;
private System.Windows.Forms.Button Zoer;
private System.Windows.Forms.Button Two;
private System.Windows.Forms.Button Point;
private System.Windows.Forms.Button One;
private System.Windows.Forms.TextBox textShow;
private System.Windows.Forms.Button Div;
private System.Windows.Forms.Button Add;
private System.Windows.Forms.Button Sub;
private System.Windows.Forms.Button Mult;
#endregion
#region 各变量和常数的声明
public const int NULL = 0;// 定义操作码
public const int ADD = 1; //表示加
public const int SUB = 2; //减
public const int MULT = 3; //乘
public const int DIV = 4; //除// 定义操作码
public const int SQR = 5; //求平方
public const int SQRT = 6; //求平方根
public const int NODOT=0 ; // 定义是否点击了小数点,0 为没点
public const int HASDOT = 1;
private double res = 0; // 记录结果数
private double tmp = 0; // 当前输入的操作数
private int opt = NULL; // 记录操作码
private int dot = NODOT; // 记录是否点击了小数点,0为没有点
private int num = 0; // 记录输入操作数的个数
private int dotnum = 0; // 记录小数点部分的个数
string strOper;
public bool btndot;
private System.Windows.Forms.LinkLabel linkLabel1;
private System.Windows.Forms.PictureBox pictureBox1;
private System.Windows.Forms.PictureBox pictureBox2;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.PictureBox pictureBox3;
//获取操作符
#endregion
}
}
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace Calc
{
public partial class Form1 : Form
{
System.Windows.Forms.Button btnTmp = new System.Windows.Forms.Button();
public Form1()
{
InitializeComponent();
}
private void Open1_Click(object sender, EventArgs e)
{
//System.Windows.Forms.Button btnTmp = new System.Windows.Forms.Button();
double i;
// btnTmp = NULL;
btnTmp = sender as System.Windows.Forms.Button;
if (btnTmp != null)
{
if (dot == NODOT)
{
// 没有点击小数点
//try
//{
i = double.Parse(btnTmp.Text.ToString()); //取用户自定义的控件关联数,并转换成double型
tmp = tmp *10 + i ;
textShow.Text = tmp.ToString(); //将其放入文本显示屏啊
//}
//catch (Exception s)
//{
//Show(s);
// }
}
else // 点击了小数点
{
dotnum++; //记录小数点部分的个数
// 生成小数部分的新的数值
i = double.Parse(btnTmp.Text.ToString()) / System.Math.Pow(10, dotnum);
tmp = tmp + i; //将小数点后的值加到当前操做数
textShow.Text = tmp.ToString();
}
}
}
private void Equt_Click(object sender, EventArgs e)
{
calc();
}
#region //等于运算方法
private void calc()
{
// 生成结果
if (num == 0) //是否有操作数,没有就返回0
{
res = 0;
tmp = 0;
textShow.Text = res.ToString();
return;
}
switch (opt) //找到对应的运算符进行计算
{
// 加法
case ADD:
res = res + tmp;
break;
// 减法
case SUB:
res = res - tmp;
break;
// 乘法
case MULT:
res = res * tmp;
break;
// 除法
case DIV:
res = res / tmp;
break;
}
textShow.Text = res.ToString(); //结果输出到文本显示屏
opt = NULL; //运算符清空
tmp = 0;
dot = NODOT;
//res = 0;
//num = 0;
}
#endregion
#region 获取操作符运事件
//获取操作符运事件
private void btn_Oper(object obj, EventArgs ea)
{
Button tmp1=(Button)obj;
strOper=tmp1.Text;
switch (strOper)
{
case "/": //除法运算
if(opt!=NULL&&opt!=DIV)
{
calc();
}
opt = DIV;
if (num != 0) //判断操作数的个数,如果两个就做二元运算
{
if (tmp != 0)
res = res / tmp;
}
else res = tmp;
num++;
tmp = 0;
textShow.Text = res.ToString();
dot = NODOT;
break;
case "*":
// 乘法运算
if(opt!=NULL&&opt!=MULT)
{
calc();}
opt = MULT;
if (num!= 0 ) //判断操作数的个数,如果两个就做二元运算
{
if(tmp!=0)
res = res * tmp;
}
else
res = tmp;
num++;
tmp = 0;
textShow.Text = res.ToString();
dot = NODOT;
break;
case "+": //加法运算
if(opt!=NULL&&opt!=ADD)
{
calc();
}
opt = ADD;
if (num != 0) //判断操作数的个数,如果两个就做二元运算
res = res + tmp;
else
res = tmp;
num++;
tmp = 0;
textShow.Text = res.ToString();
dot = NODOT;
break;
case "-": //减法运算
if(opt!=NULL&&opt!=SUB)
{
calc();
}
/*if(opt==ADD)
{
res=res+tmp;
tmp=0;
}*/
opt = SUB;
if (num != 0) //判断操作数的个数,如果两个就做二元运算
res = res - tmp;
else
res = tmp;
num++;
tmp = 0;
textShow.Text = res.ToString();
dot = NODOT;
break;
case ".":
// 点击了小数点
if (dot==HASDOT)
{
dot = HASDOT;
return;
}
else
{
dotnum = 0;
}
break;
// case "+/-":
// 点击了符号运算
// if(tmp!=0)
// {
// tmp = -tmp;
// // txtShow.Text = tmp.ToString();
// }
// dot = HASDOT;
//else
// {
// res=-res;
//res=tmp;
// txtShow.Text = res.ToString();
// }
// dot = NODOT;
// break;
case "NO": //清除运算
res = 0; // 记录结果数
tmp = 0; // 当前输入的操作数
opt = NULL; // 记录操作码
dot = NODOT; // 记录是否点击了小数点
num = 0; // 记录输入操作数的个数
dotnum = 0; // 记录小数点部分的个数
textShow.Text="";
break;
case "OFF": //清除运算
res = 0; // 记录结果数
tmp = 0; // 当前输入的操作数
opt = NULL; // 记录操作码
dot = NODOT; // 记录是否点击了小数点
num = 0; // 记录输入操作数的个数
dotnum = 0; // 记录小数点部分的个数
textShow.Text="0.";
break;
}
}
#endregion
private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
System.Diagnostics.Process.Start("http://353926774.qzone.qq.com");
}
private void pictureBox2_Click(object sender, EventArgs e)
{
}
private void pictureBox3_Click(object sender, EventArgs e)
{
System.Diagnostics.Process.Start("http://baidu.com");
}
}
}
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