异常捕捉

internal class Program
{
    static void Main(string[] args)
    {
        try
        {
            Fun0();
        }
        catch (Exception ex)
        {
            Console.WriteLine(ex.Message);
        }
        Console.ReadKey();
    }

    static void Fun0()
    {
        Fun1();
    }

    static void Fun1()
    {
        Fun2();
    }

    static void Fun2()
    {
        //throw new Exception("抛出异常");
        Fun3();
    }

    static void Fun3()
    {
        int a = 0;
        int b = 1 / a;
        Console.WriteLine("hellow");
    }
}