@Test
public void testField1() throws Exception {
Class<Person> personClass = Person.class;
//创建运行时类的对象
Person person = personClass.getDeclaredConstructor().newInstance();
System.out.println("***********静态方法************");
Method showDesc = personClass.getDeclaredMethod("showDesc");
show.setAccessible(true);
Object invoke = showDesc.invoke(personClass);
System.out.println(invoke);
}