根据属性,拿到set方法,并把值set到对象中
test set
Person person2 = new Person();
String field2 = "name";
setValue(person2, person2.getClass(), field2, Person.class.getDeclaredField(field2).getType(), "汪汪");
System.out.println(person2);
获取某个属性的类型
System.out.println(Person.class.getDeclaredField("age").getType());