Spring的对象拷贝BeanUtils

Posted 2022-08-15 gaomanito

package gx.springboot.schedule.common.util;

import org.springframework.beans.BeanUtils;
import org.springframework.util.CollectionUtils;

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

public class CopyUtil 

    public static <T> T copy(Object source, Class<T> c) 
        if (source == null) 
            return null;
        
        try 
            T instance = c.newInstance();
            BeanUtils.copyProperties(source, instance);
            return instance;
         catch (Exception e) 
            e.printStackTrace();
            return null;
        
    

    public static <E, T> List<T> copyList(List<E> sources, Class<T> c) 
        if (CollectionUtils.isEmpty(sources)) 
            return new ArrayList<T>();
        
        List<T> list = new ArrayList<T>();
        for (E source : sources) 
            list.add(copy(source, c));
        
        return list;