static void Main(string[] args)
{
Triangle t = new Triangle(1, 2, 3);
Console.WriteLine(t.CalculateArea());
double sumArea = 0;
Random random = new Random(Guid.NewGuid().GetHashCode());
for (int i = 0; i < 10; i++)
{
int tmp = random.Next(1, 4);
switch (tmp)
{
case 1:
Random random1 = new Random(Guid.NewGuid().GetHashCode());
Rectangle rectangle = new Rectangle(random1.Next(1, 100), random1.Next(1, 100));
Console.WriteLine("生成了一个矩形，面积为：" + rectangle.CalculateArea());
sumArea += rectangle.CalculateArea();
break;
case 2:
Random random2 = new Random(Guid.NewGuid().GetHashCode());
Square square = new Square(random2.Next(1, 100));
Console.WriteLine("生成了一个正方形，面积为：" + square.CalculateArea());
sumArea += square.CalculateArea();
break;
case 3:
Random random3 = new Random(Guid.NewGuid().GetHashCode());
Triangle triangle = null;
while (true)
{
triangle = new Triangle(random3.Next(1, 100), random3.Next(1, 100), random3.Next(1, 100));
if (triangle.IfLegal())
{
break;
}
}
Console.WriteLine("生成了一个三角形，面积为：" + triangle.CalculateArea());
sumArea += triangle.CalculateArea();
break;
}
}
Console.WriteLine("总面积为：" + sumArea);
}