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郑永安

2023-06-19 7a6abd05683528032687c75e80e0bd2030a3e46c

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package com.gkhy.safePlatform.commons.utils;
 
import org.springframework.beans.BeanUtils;
 
import java.util.List;
import java.util.stream.Collectors;
 
public class BeanCopyUtils {
 
    private BeanCopyUtils() {
    }
 
    /**练习
    public static Object copyBean(Object source, Class clazz) {
        //创建目标对象
        Object result = null;
        try {
            result = clazz.newInstance();
            //实现属性copy
            BeanUtils.copyProperties(source, result);
 
        } catch (Exception e) {
            e.printStackTrace();
        }
        //返回结果
        return result;
    }*/
 
    public static <V> V copyBean(Object source,Class<V> clazz) {
        //创建目标对象
        V result = null;
        try {
            result = clazz.newInstance();
            //实现属性copy
            BeanUtils.copyProperties(source, result);
        } catch (Exception e) {
            e.printStackTrace();
        }
        //返回结果
        return result;
    }
 
    /**练习
     *  public static <V> List<V>  copyBeanList(List<Object> list, Class<V> clazz){
            return list.stream()
                    .map(o -> copyBean(o, clazz))
                    .collect(Collectors.toList());
        }*/
 
    public static <O,V> List<V> copyBeanList(List<O> list, Class<V> clazz){
        return list.stream()
                .map(o -> copyBean(o, clazz))
                .collect(Collectors.toList());
    }
}