using System;using System.Collections.Generic;using System.IO;using System.Linq;using System.Reflection;using System.Text;using System.Threading.Tasks;namespace DynamicLoadDLL{ /// <summary> /// 動態加載dll /// </summary> public class LoadDLL {  private Assembly ass = null;  /// <summary>  /// 加載dll  /// </summary>  /// <param name="dllPath">dll文件路徑</param>  public LoadDLL(string dllPath)  {   this.ass = Assembly.LoadFrom(dllPath);  //利用dll的路徑加載(fullname)  }  /// <summary>  /// 返回反射的dll  /// </summary>  /// <returns></returns>  public Assembly GetAssembly()  {   return this.ass;  }  /// <summary>  /// 獲取所有類名  /// </summary>  /// <returns></returns>  public Type[] GetClass()  {   return ass.GetTypes();  }  /// <summary>  /// 獲取程序集下的所有文件名  /// </summary>  /// <returns></returns>  public Module[] GetModules()  {   return ass.GetModules();  }  /// <summary>  /// 獲取程序集清單文件表中的文件  /// </summary>  /// <returns></returns>  public FileStream[] GetFiles()  {   return ass.GetFiles();  } }}

using System;using System.Collections.Generic;using System.Linq;using System.Reflection;using System.Text;using System.Threading.Tasks;namespace DynamicLoadDLL{ /// <summary> /// 加載類 /// </summary> public class LoadClass {  private static LoadClass dlc = null;  private Type type;  private object obj = null;  //實例  /// <summary>  /// 加載dll  /// </summary>  /// <param name="ass">dll引用</param>  /// <param name="nameSpace">類的命名空間</param>  /// <param name="classPath">類名稱</param>  private LoadClass(Assembly ass, string nameSpace, string classPath)  {   //加載dll后,需要使用dll中某類.   type = ass.GetType(nameSpace + "." + classPath);   //利用類型的命名空間和名稱獲得類型   //需要實例化類型,才可以使用,   //參數可以人為的指定,也可以無參數,靜態實例可以省略   obj = Activator.CreateInstance(type);  //利用指定的參數實例話類型  }  /// <summary>  /// 加載dll  /// </summary>  /// <param name="ass">dll引用</param>  /// <param name="nameSpace">類的命名空間</param>  /// <param name="classPath">類名稱</param>  public static LoadClass GetInstance(Assembly ass, string nameSpace, string classPath)  {   if (dlc == null)   {    dlc = new LoadClass(ass, nameSpace, classPath);   }   return dlc;  }  /// <summary>  /// 獲取屬性集  /// </summary>  /// <returns>返回屬性值</returns>  public PropertyInfo[] GetAttrs()  {   //調用類型中的某個屬性:   PropertyInfo[] prop = type.GetProperties();   //通過屬性名稱獲得屬性   //返回屬性集   return prop;  }  public MethodInfo[] GetMethods()  {   //調用類型中的方法:   MethodInfo[] method = type.GetMethods(BindingFlags.NonPublic);   //獲得方法集   //返回方法集   return method;  }  /// <summary>  /// 獲取屬性值  /// </summary>  /// <param name="attrName">屬性名稱</param>  /// <returns>返回屬性值</returns>  public object GetAttrValue(string attrName)  {   //調用類型中的某個屬性:   PropertyInfo prop = type.GetProperty(attrName);   //通過屬性名稱獲得屬性   //返回屬性值   return prop.GetValue(obj);  }  /// <summary>  /// 設置屬性值  /// </summary>  /// <param name="attrName">屬性名稱</param>  /// <returns>返回屬性值</returns>  public void SetAttrValue(string attrName, string attrValue)  {   //調用類型中的某個屬性:   PropertyInfo prop = type.GetProperty(attrName);   //通過屬性名稱獲得屬性   //返回屬性值   prop.SetValue(obj, attrValue);  }  /// <summary>  /// 執行類方法  /// </summary>  /// <param name="methodName">方法名稱</param>  /// <param name="paras">參數</param>  /// <param name="types">參數類型</param>  /// <returns></returns>  public object GetMethod(string methodName, object[] paras,Type[] types)  {   //調用類型中的某個方法:   MethodInfo method = type.GetMethod(methodName,types);   //通過方法名稱獲得方法   //執行方法   return method.Invoke(obj, paras);  } }}