编程(javascript).doc

VS制作计算器：usingSystem;
usingSystem.Collections.Generic;
usingSystem.ComponentModel;
usingSystem.Data;
usingSystem.Drawing;
usingSystem.Linq;
usingSystem.Text;
usingSystem.Windows.Forms;

namespaceWindowsFormsApplication2
{
publicpartialclassForm1:Form
{
publicForm1()
{
InitializeComponent();
}

doublea,b;
stringc;

privatevoidbutton11_Click(objectsender,EventArgse)
{
textBox1.Text="";
}

privatevoidbutton12_Click(objectsender,EventArgse)
{
this.Close();
}

privatevoidbutton1_Click(objectsender,EventArgse)
{

this.textBox1.Text=button1.Text;
}

privatevoidbutton2_Click(objectsender,EventArgse)
{
this.textBox1.Text=button2.Text;
}

privatevoidbutton3_Click(objectsender,EventArgse)
{
this.textBox1.Text=button3.Text;
}

privatevoidbutton4_Click(objectsender,EventArgse)
{
this.textBox1.Text=button4.Text;
}

privatevoidbutton5_Click(objectsender,EventArgse)
{
this.textBox1.Text=button5.Text;
}

privatevoidbutton6_Click(objectsender,EventArgse)
{
this.textBox1.Text=button6.Text;
}

privatevoidbutton7_Click(objectsender,EventArgse)
{
this.textBox1.Text=button7.Text;
}

privatevoidbutton8_Click(objectsender,EventArgse)
{
this.textBox1.Text=button8.Text;
}

privatevoidbutton9_Click(objectsender,EventArgse)
{
this.textBox1.Text=button9.Text;
}

privatevoidbutton10_Click(objectsender,EventArgse)
{
this.textBox1.Text=button10.Text;
}

publicvoid计算器(strings)
{
a=Convert.ToDouble(textBox1.Text);
textBox1.Text="";
c=s;
}

privatevoidbutton13_Click(objectsender,EventArgse)
{
计算器("+");
}

privatevoidbutton14_Click(objectsender,EventArgse)
{
计算器("-");
}

privatevoidbutton15_Click(objectsender,EventArgse)
{
计算器("*");
}

privatevoidbutton16_Click(objectsender,EventArgse)
{
计算器("/");
}

privatevoidbutton17_Click(objectsender,EventArgse)
{
b=Convert.ToDouble(textBox1.Text);
switch(c)
{
case("+"):
textBox1.Text=(a+b).ToString();
break;

case("-"):
textBox1.Text=(a-b).ToString();
break;

case("*"):
textBox1.Text=(a*b).ToString();
break;

case("/"):
textBox1.Text=(a/b).ToString();
break;
defau