构造函数的执行 及其顺序

//测试子类实例化时执行的构造函数的顺序

public void DoConstructorTest()
{
    ConstructorTest.StaticMethod();
    ConstructorTest b = new ConstructorTest();
}

 

 

using System;


namespace ConsoleApplicationTest
{
    /// <summary>

/// 静态构造函数在程序中只执行一次
/// 构造函数的执行顺序 子类(静)->父类(静)->父类->子类
/// 调用静态方法之前 只执行其所在类的静态函数

    /// </summary>
    public class ConstructorTestBaseBase
    {
        static ConstructorTestBaseBase()
        {
            Console.WriteLine("ConstructorTestBaseBase  static");
        }
        public ConstructorTestBaseBase()
        {
            Console.WriteLine("ConstructorTestBaseBase  ");
        }
    }
    public class ConstructorTestBase : ConstructorTestBaseBase
    {
        static ConstructorTestBase()
        {
            Console.WriteLine("ConstructorTestBase  static");
        }
        public ConstructorTestBase()
        {
            Console.WriteLine("ConstructorTestBase  ");
        }
        public static void StaticMethod()
        {
            Console.WriteLine("ConstructorTestBase  StaticMethod");
        }
    }
    public class ConstructorTest : ConstructorTestBase
    {
        static ConstructorTest()
        {
            Console.WriteLine("ConstructorTest  static");
        }
        public ConstructorTest()
        {
            Console.WriteLine("ConstructorTest  ");
        }
    }
}