大家好，谁有计算器（C#版）的源码

谢谢大家，

解决方案 »

  1.   

     
    有bug哈 /// <summary>
        /// 第一个数
        /// </summary>    private int Num1
        {
            get { return Convert.ToInt32(ViewState["Num1"]); }
            set { ViewState["Num1"]=value; }
        }    /// <summary>
        /// 运算符
        /// </summary>
        private string FH
        {
            get { return Convert.ToString(ViewState["FH"]); }
            set { ViewState["FH"] =value; }
        }    /// <summary>
        /// 第二个数
        /// </summary>
        private int Num2
        {
            get { return Convert.ToInt32(ViewState["Num2"]); }
            set { ViewState["Num2"] = value; }
        }
        //  0-9
        protected void Button1_Click(object sender, EventArgs e)
        {
            Button button = sender as Button;
            Response.Write(button.Text);
            if (ViewState.Count == 0)
            {
                if (Convert.ToInt32(button.Text.Trim()) >= 0 && Convert.ToInt32(button.Text.Trim()) <= 9)
                {
                    this.Label1.Text += button.Text.Trim();
                }
                else
                {
                    Response.Write("<script>alert('请选择第一个运算数！')</script>");
                }
            }
            else if (ViewState.Count == 2)
            {
                if (Convert.ToInt32(button.Text.Trim()) >= 0 && Convert.ToInt32(button.Text.Trim()) <= 9)
                {
                    if (this.Label1.Text.Trim() == "+")
                    {
                        this.Label1.Text = "";
                    }
                    this.Label1.Text += button.Text.Trim();
                }
                else
                {
                    Response.Write("<script>alert('请选择第二个运算数！')</script>");
                }        }        //Response.Write("<script>alert('" + ViewState.Count.ToString() + "')</script>");
        }    /// <summary>
        /// 点击"="按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Button11_Click(object sender, EventArgs e)
        {
            if (ViewState.Count == 2)
            {
               Num2=Convert.ToInt32(this.Label1.Text.Trim());
               Response.Write("<script>alert('" + Num1 + "')</script>");
               Response.Write("<script>alert('" + FH + "')</script>");
               Response.Write("<script>alert('" + Num2 + "')</script>");
              
             
             
               switch (FH)
               {
                   case "+":
                       this.Label1.Text = Convert.ToString(Num1 + Num2);
                       break;
                   case "-":
                       this.Label1.Text = Convert.ToString(Num1 - Num2);
                       break;
                   case "*":
                       this.Label1.Text = Convert.ToString(Num1 * Num2);
                       break;
                   case "/":
                       this.Label1.Text = Convert.ToString(Num1 / Num2);
                       break;
               }
                     }
         
        }    /// <summary>
        /// 清空
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Button5_Click(object sender, EventArgs e)
        {
            Response.Write("<script>alert('" + ViewState.Count.ToString() + "')</script>");
            ViewState.Clear();               //吧viewState全部情空
            Response.Write("<script>alert('" + ViewState.Count.ToString() + "')</script>");
            this.Label1.Text = "";
        }
        /// <summary>
        /// 去掉一个"> -"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Button6_Click(object sender, EventArgs e)
        {
            if (this.Label1.Text != "" && this.Label1.Text.Length != 1)
            {
                this.Label1.Text = this.Label1.Text.Substring(0, this.Label1.Text.Length - 1);
            }
            else
            {
                this.Label1.Text = "";
            }
        }    /// <summary>
        ///    ‘ + ’ ‘ - ’ ' * ' '/ '
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Button4_Click(object sender, EventArgs e)
        {
            Button button = sender as Button;
            if (ViewState.Count == 0 && this.Label1.Text.Trim() != "")
            {
                Num1 = Convert.ToInt32(this.Label1.Text.Trim());   //存储第一个数
                this.Label1.Text = button.Text.Trim();     //把运算符赋值给Label控件
                FH = this.Label1.Text.Trim();         //存储运算符
            }
        }
      

  2.   

    计算器？应该不难吧，后面处理可以直接用Math里的东西。