Java对象复制和批量复制

import cn.hutool.core.collection.CollectionUtil;
import org.springframework.beans.BeanUtils;

import java.util.ArrayList;
import java.util.List;


public class CopyUtil {


    public static  T copy(Object source,Class clazz){
        if (source==null){
            return null;
        }
        T obj=null;
        try {
            obj=clazz.newInstance();
        } catch (Exception e) {
            e.printStackTrace();
        }
        BeanUtils.copyProperties(source,obj);
        return obj;
    }

   public static  List copyList(List source,Class clazz){
       List target=new ArrayList<>();
       if (!CollectionUtil.isEmpty(source)){
           for (Object c:source){
               T obj=copy(c,clazz);
               target.add(obj);
           }
       }
       return target;
   }
}