.net 计算器x

功能看界面就是了， /后台代码C#using System;using System.Collections.Generic;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;namespace Calculator2 public partial class _Default : System.Web.UI.Page protected void Page_Load(object sender, EventArgs e) protected void Compute(object sender, EventArgs e) Double Pi = Math.PI; Double num1; Double num2; String str1,str2,str3; / Double result; int len; / Char c = +, -, *, / ; if (sender.Equals(BtnEqual) str1 = Loadstr1.Text; len = str1.Length; str2 =Loadstr2.Text; str3 = Loadstr3.Text; / char strArry = str1.ToCharArray(); num1 =Convert.ToDouble(str3); num2 = Convert.ToDouble(txtResult .Text); if (txtResult.Text = ) txtResult.Text = ; / num2=con switch (str1) case +: txtResult.Text = Convert.ToString( num2 + num1); break; case -: txtResult.Text = Convert.ToString( num1 - num2); break; case *: txtResult.Text = Convert.ToString( num1 * num2); break; case /: if (num2 = 0) txtResult.Text = 除数不能为0; else txtResult.Text = Convert.ToString(num1 / num2); break; /num2 = result; / txtResult.Text = Convert.ToString(num2); if (sender.Equals(BtnAdd) Loadstr1.Text =+; Loadstr3.Text = txtResult.Text; txtResult.Text = ; if (sender.Equals(BtnSub) Loadstr1.Text =-; Loadstr3.Text = txtResult.Text; txtResult.Text = ; if (sender.Equals(BtnMul) Loadstr1.Text = *; Loadstr3.Text = txtResult.Text; txtResult.Text = ; if (sender.Equals(BtnDivide) Loadstr1.Text = /; Loadstr3.Text = txtResult.Text; txtResult.Text = ; if (sender.Equals(Btn1) if (txtResult.Text = 0) txtResult.Text = 1; else txtResult.Text += 1; Loadstr2.Text = txtResult.Text; if (sender.Equals(Btn2) if (txtResult.Text = 0) txtResult.Text = 2; else txtResult.Text += 2; Loadstr2.Text = txtResult.Text; if (sender.Equals(Btn3) if (txtResult.Text = 0) txtResult.Text = 3; else txtResult.Text += 3; Loadstr2.Text = txtResult.Text; if (sender.Equals(Btn4) if (txtResult.Text = 0) txtResult.Text = 4; else txtResult.Text += 4; Loadstr2.Text = txtResult.Text; if (sender.Equals(Btn5) if (txtResult.Text = 0) txtResult.Text = 5; else txtResult.Text += 5; Loadstr2.Text = txtResult.Text; if (sender.Equals(Btn6) if (txtResult.Text = 0) txtResult.Text = 6; else txtResult.Text += 6; Loadstr2.Text = txtResult.Text; if (sender.Equals(Btn7) if (txtResult.Text = 0) txtResult.Text = 7; else txtResult.Text += 7; Loadstr2.Text = txtResult.Text; if (sender.Equals(Btn8) if (txtResult.Text = 0) txtResult.Text = 8; else txtResult.Text += 8; Loadstr2.Text = txtResult.Text; if (sender.Equals(Btn9) if (txtResult.Text = 0) txtResult.Text = 9; else txtResult.Text += 9; Loadstr2.Text = txtResult.Text; if (sender.Equals(Btn0) if (txtResult.Text = 0) txtResult.Text = 0; else txtResult.Text += 0; Loadstr2.Text = txtResult.Text; if (sender.Equals(BtnDot) if (txtResult.Text != ) /txtResult.Text = ; if (txtResult.Text.Contains(.) txtResult.Text = txtResult.Text; else txtResult.Text += .; Loadstr2.Text = txtResult.Text; if (sender.Equals(BtnClr) txtResult.Text = ; Loadstr1.Text = ; Loadstr2.Text = ; Loadstr3.Text = ; if (sender.Equals(BtnPi) txtResult.Text = Convert.ToString(Pi); Loadstr2.Text = txtResult.Text; if (sender.Equals(BtnSquareRoot) txtResult.Text = Convert.ToString(Math.Sqrt(Convert.ToDouble(txtResult.Text); if (sender.Equals(BtnSquare) txtResult.Text = Convert.ToString(Convert.ToDouble(txtResult.Text) * Convert.ToDouble(txtResult.Text); /前台代码 迷你计算器 #container border-bottom: solid 1px #5c9cc0; border-top: solid 1px #5c9cc0; border-left: solid 1px #5c9cc0; border-right: solid 1px #5c9cc0; font-size: 14px; width: 400px; height: 300px; text-align: center; background-color: #eef3f7; margin: 0px auto; .Button border-right: #7b9ebd 1px solid; padding-right: 2px; border-top: #7b9ebd 1px solid; padding-left: 2px; filter: progid:DXImageTransform.Microsoft.Gradient(GradientType=0, StartColorStr=#ffffff, EndColorStr=#cecfde); border-left: #7b9ebd 1px solid; cursor: hand; color: black; padding-top: 2px; border-bottom: #7b9ebd 1px solid; width: 50px; height: 30px; font-size: 14px; .TextBox width: 310px; height: 30px; text-align: right; vertical-align: bottom; font-size: 20px; #title font-family: 黑体; font-size: 18px; height: 18px; filter: blur(strength=2,direction=135); color: #6666ff; 迷你计算器