解决BeanUtils.copyProperties不支持复制集合的问题

@Data
public class Class {
    private People[] member;
    private People teacher;
    private List<People> student;
}

@Data
@NoArgsConstructor
@AllArgsConstructor
public class People {
    private Integer id;
    private String name;
    private Integer age;
    private Integer sex;
}

public static void main(String[] args) {
 // 测试数组的复制
 People[] member = new People[3];
 member[0] = new People(1, "老师", 30, 1);
 member[1] = new People(2, "班长", 15, 1);
 member[2] = new People(3, "学生", 15, 1);
 People[] member1 = new People[]{};
 BeanUtils.copyProperties(member, member1);
 System.out.println("是否可以复制数组：" + (member1.length == 0 ? false : true));
 // 测试List的复制（Map也不能复制，测试略）
 List<People> student = new ArrayList<>();
 student.add(member[1]);
 student.add(member[2]);
 List<People> student1 = new ArrayList<>();
 BeanUtils.copyProperties(student, student1);
 System.out.println("BeanUtils.copyProperties是否可以复制List：" + (student1.isEmpty() ? false : true));
 // 通过JSON工具实现List的复制（不仅仅是List，数组和Map等也可以通过类似方法实现复制，需要有无参构造方法，否则报错）
 student1 = JSON.parseArray(JSON.toJSONString(student), People.class);
 System.out.println("通过JSON工具复制List：" + student1);
 System.out.println("通过JSON工具是否深复制：" + (student.get(0) != student1.get(0) ? true : false));
 // 测试是否深复制
 Class source = new Class();
 source.setMember(member);
 source.setTeacher(member[0]);
 source.setStudent(student);
 Class target = new Class();
 BeanUtils.copyProperties(source, target);
 System.out.println("BeanUtils.copyProperties是否深复制：" + (source.getMember() != target.getMember() ? true : false));
}

public static void main(String[] args) {
 int count = 1;
 System.out.println("测试数据长度：" + count);
 List<People> source = new LinkedList<>();
 List<People> target = new LinkedList<>();
 long start;
 for (int i = 0; i < count; i++) {
     source.add(new People(1, "ly", 25, 1));
 }
 
 start = System.nanoTime();
 target = JSON.parseArray(JSON.toJSONString(source), People.class);
 System.out.println("JSON：" + (System.nanoTime() - start));
 
 start = System.nanoTime();
 for (int i = 0; i < count; i++) {
     People p = new People();
     BeanUtils.copyProperties(source.get(i), p);
     target.add(p);
 }
 System.out.println("BeanUtils.copyProperties" + (System.nanoTime() - start));
}

public static <T> List copyList(List<T> list) {
    if (CollectionUtils.isEmpty(list)) {
        return new ArrayList();
    }
    return JSON.parseArray(JSON.toJSONString(list), list.get(0).getClass());
}

public static Map<String, Object> copyMap(Map map) {
    return JSON.parseObject(JSON.toJSONString(map));
}

public static void copyProperties(java.lang.Object dest,java.lang.Object orig)   
throws java.lang.IllegalAccessException, java.lang.reflect.InvocationTargetException 

//得到TeacherForm   
TeacherForm teacherForm=(TeacherForm)form;   
  
//构造Teacher对象   
Teacher teacher=new Teacher();   
  
//赋值   
teacher.setName(teacherForm.getName());   
teacher.setAge(teacherForm.getAge());   
teacher.setGender(teacherForm.getGender());   
teacher.setMajor(teacherForm.getMajor());   
teacher.setDepartment(teacherForm.getDepartment());   
  
//持久化Teacher对象到数据库   
HibernateDAO.save(teacher);  

//得到TeacherForm   
TeacherForm teacherForm=(TeacherForm)form;   
  
//构造Teacher对象   
Teacher teacher=new Teacher();   
  
//赋值   
BeanUtils.copyProperties(teacher,teacherForm);   
  
//持久化Teacher对象到数据库   
HibernateDAO.save(teacher);  

teacher.setModifyDate(new Date());  

* java.lang.BigDecimal   
* java.lang.BigInteger   
* boolean and java.lang.Boolean   
* byte and java.lang.Byte     
* char and java.lang.Character    
* java.lang.Class   
* double and java.lang.Double    
* float and java.lang.Float
* int and java.lang.Integer   
* long and java.lang.Long   
* short and java.lang.Short   
* java.lang.String   
* java.sql.Date   
* java.sql.Time   
* java.sql.Timestamp  

BeanUtils.copyProperties(aValue, aLocal)