reflectionlogfactory.cs

设计模式C#描述之——简单工厂模式、抽象工厂模式、单例与多例模式 设计模式C#描述之——简单工厂模式

using System;
using System.Configuration;
using System.Reflection;

namespace LogManage
{
    public abstract class ReflectionFactory
    {
        public static LogFactory GetInstance()
        {
            string className = ConfigurationManager.AppSettings["factory"].ToString();
            Assembly assName = Assembly.LoadFrom(className + ".dll");
            object obj = assName.CreateInstance("LogManage." + className);
            LogFactory af = obj as LogFactory;
            return af;
        }
    }
}