Shape3D.cs為基礎類別
Ball.cs、Cube.cs、Cylinder.cs、Pyramid.cs為衍生類別
Constant.cs為紀錄運算需要用到的常數，例如pi
Form1.cs
using quiz5;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace _2015OOP_Quiz5_win
{
public partial class Form1 : Form
{
private Shape3D[] shapeArr=new Shape3D[100];
private static double[] densityArr = { 2.7, 7.87, 11.3};
public Form1()
{
InitializeComponent();
lblPara1.Visible = false;
txtPara1.Visible = false;
lblPara2.Visible = false;
txtPara2.Visible = false;
}
private void cboxShapeSet_SelectedIndexChanged(object sender, EventArgs e)
{
switch (cboxShapeSet.SelectedIndex)
{
case 0:
lblPara1.Visible = true;
txtPara1.Visible = true;
lblPara1.Text = "半徑";
lblPara2.Visible = false;
txtPara2.Visible = false;
break;
case 1:
lblPara1.Visible = true;
txtPara1.Visible = true;
lblPara1.Text = "邊長";
lblPara2.Visible = false;
txtPara2.Visible = false;
break;
case 2:
lblPara1.Visible = true;
txtPara1.Visible = true;
lblPara1.Text = "半徑";
lblPara2.Visible = true;
lblPara2.Text = "高";
txtPara2.Visible = true;
break;
case 3:
lblPara1.Visible = true;
txtPara1.Visible = true;
lblPara1.Text = "邊長";
lblPara2.Visible = true;
lblPara2.Text = "高";
txtPara2.Visible = true;
break;
}
}
private void btnAdd_Click(object sender, EventArgs e)
{
int amount = Shape3D.Amount;
double density = densityArr[cboxMaterialSet.SelectedIndex];
switch (cboxShapeSet.SelectedIndex)
{
case 0:
shapeArr[amount] = new Ball(double.Parse(txtPara1.Text),density);
break;
case 1:
shapeArr[amount] = new Cube(double.Parse(txtPara1.Text), density);
break;
case 2:
shapeArr[amount] = new Cylinder(double.Parse(txtPara1.Text), double.Parse(txtPara2.Text), density);
break;
case 3:
shapeArr[amount] = new Pyramid(double.Parse(txtPara1.Text), double.Parse(txtPara2.Text), density);
break;
default:
break;
}
txtShapeNum.Text = Shape3D.Amount.ToString();
txtAdd.AppendText(shapeArr[amount].ShowProperty() + Environment.NewLine);
}
private void btnCalculate_Click(object sender, EventArgs e)
{
txtShowSolution.Clear();
for (int i=0;i < Shape3D.Amount;i++)
{
txtShowSolution.AppendText(shapeArr[i].ShowResults() + Environment.NewLine);
}
}
}
}
Shape3D.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace quiz5
{
class Shape3D
{
protected double density;
private static int _amount = 0;
protected Shape3D()
{
Density = 0;
_amount++;
}
protected Shape3D(double d)
{
Density = d;
_amount++;
}
public double Density
{
get { return density; }
set
{
if (density<0)
{
density = 0;
}
else
{
density = value;
}
}
}
public static int Amount
{
get { return _amount; }
}
protected virtual double Volume()
{
return 0;
}
private double Weight()
{
return density * Volume();
}
public virtual string ShowProperty()
{
return "";
}
public string ShowResults()
{
string results = ShowProperty();
results+='\t';
results += string.Format("{0,8:F2}", density);
results += '\t';
results += string.Format("{0,8:F2}", Volume());
results += '\t';
results += string.Format("{0,8:F2}", Weight());
return results;
}
}
}
Ball.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace quiz5
{
class Ball:Shape3D
{
private double _radius;
public Ball (double _radius, double density)
:base(density)
{
Radius = _radius;
}
public double Radius
{
get { return _radius; }
set
{
if (_radius<0)
{
_radius = 0;
}
else
{
_radius = value;
}
}
}
protected override double Volume()
{
return 4.0 / 3 * Constant.pi * _radius * _radius * _radius;
}
public override string ShowProperty()
{
string str = "Ball";
str += '\t';
str += string.Format("{0,8:F2}", _radius);
str += '\t';
str += "";
return str;
}
}
}
Cube.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace quiz5
{
class Cube:Shape3D
{
private double _length;
public Cube(double _length, double density)
: base(density)
{
Length = _length;
}
public double Length
{
get { return _length; }
set
{
if (_length < 0)
{
_length = 0;
}
else
{
_length = value;
}
}
}
protected override double Volume()
{
return _length * _length * _length;
}
public override string ShowProperty()
{
string str = "Cube";
str += '\t';
str += string.Format("{0,8:F2}", _length);
str += '\t';
str += "";
return str;
}
}
}
Cylinder.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace quiz5
{
class Cylinder:Shape3D
{
private double _radius;
private double _height;
public Cylinder(double _radius, double _height, double density)
:base(density)
{
Radius = _radius;
Height = _height;
}
public double Radius
{
get { return _radius; }
set
{
if (_radius<0)
{
_radius = 0;
}
else
{
_radius = value;
}
}
}
public double Height
{
get { return _height; }
set
{
if (_height < 0)
{
_height = 0;
}
else
{
_height = value;
}
}
}
protected override double Volume()
{
return Constant.pi * _radius * _radius * _height;
}
public override string ShowProperty()
{
string str = "Cylinder";
str += '\t';
str += string.Format("{0,8:F2}", _radius);
str += '\t';
str += string.Format("{0,8:F2}", _height);
return str;
}
}
}
Pyramid.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace quiz5
{
class Pyramid:Shape3D
{
private double _length;
private double _height;
public Pyramid(double _length, double _height, double density)
:base(density)
{
Length = _length;
Height = _height;
}
public double Length
{
get { return _length; }
set
{
if (_length < 0)
{
_length = 0;
}
else
{
_length = value;
}
}
}
public double Height
{
get { return _height; }
set
{
if (_height < 0)
{
_height = 0;
}
else
{
_height = value;
}
}
}
protected override double Volume()
{
return 1.0/3*_length*_length*_height;
}
public override string ShowProperty()
{
string str = "Pyramid";
str += '\t';
str += string.Format("{0,8:F2}", _length);
str += '\t';
str += string.Format("{0,8:F2}", _height);
return str;
}
}
}
Constant.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace quiz5
{
static class Constant
{
public static double pi = 3.1415926;
}
}
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