C# Activator.CreateInstance 動態創建類的實例(二)


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Kernel.Interface
{
    public interface IObjcet
    {
        void Put();

        void Put(string plus);
    }
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Kernel.Interface;

namespace Kernel.SimpleLibrary
{
    public class PlugPut : IObjcet
    {

        private string plugName = "";

        public string PlugName
        {
            get { return plugName; }
            set { plugName = value; }
        }

        public PlugPut() { }
             

        public PlugPut(string plusName) 
        {
            this.PlugName = plusName;
        }

        public void Put()
        {
            Console.WriteLine("Default plug value is:" + plugName);
        }

        public void Put(string plus)
        {
            Console.WriteLine("Put plus value is:" + plus);
        }
    }
}
using Kernel.DriverLibrary;
using Kernel.Interface;
using Kernel.SimpleLibrary;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Runtime.Remoting;
using System.Text;
using System.Threading.Tasks;

namespace Kernel.App
{
    class Program
    {
        static void Main(string[] args)
        {
            
            #region
            //用傳遞參數來得到一個類的實例

            //用Activator.CreateInstance創建默認的不帶參數的構造函數
            IObjcet obj = (IObjcet)Activator.CreateInstance(
                  System.Type.GetType("Kernel.SimpleLibrary.PlugPut,Kernel.SimpleLibrary"), null); obj.Put(); obj.Put("plug 1"); //System.Type.GetType(命名空間.類名,程序集) //用Activator.CreateInstance創建另一個帶參數構造函數實例 IObjcet obj2 = (IObjcet)System.Activator.CreateInstance(
                  System.Type.GetType("Kernel.SimpleLibrary.PlugPut,Kernel.SimpleLibrary"),
                  new string[] { "Hello world!" }); obj2.Put(); obj.Put("plug 2"); #endregion Console.ReadLine(); } } }

 


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