反射

//1.获取当前程序域中所有的Assembly
 Assembly[] assArr = AppDomain.CurrentDomain.GetAssemblies();

//2.获取当前 对象 所有在 Assembly 
 Assembly ass = this.GetType().Assembly;

//3.根据路径加载Assembly
string assPath = @"..modelClassLibrary.dll";  //如果这个*.dll 引用了别一个dll
Assembly fromAssembly = Assembly.LoadFrom(assPath);//要加载引用的dll

Assembly fileAssembly = Assembly.LoadFile(assPath);//不加载引用的dll

Assembly LoadAssembly = Assembly.Load(typeof(ClassLibrary.Libray).Assembly.GetReferencedAssemblies().FirstOrDefault());

//1:通过类  获得对应的 Type
Type tClass = typeof(MyClass);

//2.通过对象 获得对应的Type
Type tNew = new MyClass(1,2).GetType();

Type tClassFullName = Assembly.LoadFrom("").GetType("BLL.MyClass");

//4.获取程序集中定义的所有的 public 类
Type[] types = Assembly.LoadFrom("").GetExportedTypes();

//5.获取程序集中定义的所有的类
        Type[] types = Assembly.LoadFrom("").GetTypes();
    }

 public void TypeProperty()
  {
      Type type = typeof(MyClass);
            
       //获取type所在的程序集对象
        Assembly objAssembly = type.Assembly;
       //获取type对象对应的类的全名称
       string typeClassFullName = type.FullName;
       //获取type对象对应类的名称
       string typeClassName= type.Name;
      //判断type是否为一个数组类
      bool boolArr = type.IsArray;
      //判断type是否为一个枚举类
      bool boolEnum = type.IsEnum;

    }

           //判断type是否实现了接口 IMyInterface
            type.IsAssignableFrom(typeof(IMyInterface));
            //判断type 是否继承了 fatherClass
            type.IsSubclassOf(typeof(fatherClass));
            //判断 obj 是否为type类的实例
            var obj = "";//object obj
            type.IsInstanceOfType(obj);

            //获取type中名为gender的字段对象
            type.GetField("Gender");
            //获取type中名为SayHi的方法对象
            type.GetMethod("SayHi");
            //获取type中名为Age的属性
            type.GetProperty("Age");

class MyClass
    {
        int i = 10, j = 100;
        string Name = "valeb", FullName = "Pu_valeb";

    } 
    class fatherClass
    {
        
        public void FieldInfoOperation()
        {
            MyClass myClass = new MyClass();
            Type type = myClass.GetType();

            FieldInfo iField= type.GetField("i");//获取i字段对象
            int iValue =(int)iField.GetValue(type);//获取 i 字段在type对象中的值
            iField.SetValue(type, 1000);//设置 i字段在type对象中的值
        }
    }

 class MyClass
    {
        int i = 10, j = 100;
        string Name = "valeb", FullName = "Pu_valeb";

        public int IntProperty { get; set; }
        public string StringProperty { get; set; }

    } 
    class fatherClass
    {
        
        public void PropertyInfoOperation()
        {
            MyClass myClass = new MyClass();
            Type type = myClass.GetType();

            PropertyInfo intProperty = type.GetProperty("IntProperty");//获取intProperty属性对象
            int iValue = (int)intProperty.GetValue(type);//获取 intProperty 属性在type对象中的值
            intProperty.SetValue(type, 1000);//设置 intProperty属性在type对象中的值
        }
    }