static public Shape CreateShape(string type)
{
Shape shape = null;
try
{
if (type.Equals("triangle"))
{
Console.WriteLine("请输入三角形的三条边:");
double a = Convert.ToDouble(Console.ReadLine());
double b = Convert.ToDouble(Console.ReadLine());
double c = Convert.ToDouble(Console.ReadLine());
shape = new Triangle(a, b, c);
}
if (type.Equals("circular"))
{
Console.WriteLine("请输入圆形的半径:");
double radius = Convert.ToDouble(Console.ReadLine());
shape = new Circular(radius);
}
if (type.Equals("square"))
{
Console.WriteLine("请输入正方形的边长:");
double sideLength = Convert.ToDouble(Console.ReadLine());
shape = new Square(sideLength);
}
if (type.Equals("rectangle"))
{
Console.WriteLine("请输入矩形的长和宽:");
double length = Convert.ToDouble(Console.ReadLine());
double width = Convert.ToDouble(Console.ReadLine());
shape = new Rectangle(length, width);
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
return(shape);
}
//静态工厂方法
public static Sharp GetSharp(String type, double a, double b)
{
Sharp sharp = null;
if (type.Equals("三角形"))
{
sharp = new Triangle(a);
}
else if (type.Equals("圆形"))
{
sharp = new Circular(a);
}
else if (type.Equals("正方形"))
{
sharp = new Square(a);
}
else if (type.Equals("长方形"))
{
sharp = new Rectangle(a, b);
}
return(sharp);
}
public static Graphical CreatGraphical(string type)
{
Graphical n = null;
switch (type)
{
case "长方形":
n = new Rctangle();
break;
case "正方形":
n = new Square();
break;
case "圆形":
n = new Circular();
break;
case "三角形":
n = new Triangle();
break;
}
return(n);
}