我们可以通过反射机制来动态创建对象、从一个对象将属性拷贝到另外一个对象相应的属性上、创建动态代理、对任意对象调用其方法等等等等，反射机制的应用是非常广泛的！-Reflection mechanism, we can dynamically create an object, attribute to copy from one object to another object the property to create a dynamic proxy for any object, call its methods and so on and so forth, the reflex mechanism is a very wide range of applications!