对象 属性复制, 支持 List、Set、MyBatisPlus Page复制

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import org.springframework.beans.BeanUtils;

import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;


public class BeanUtil {
    
    public static  T copyProperties(Object source, Class clazz) {
        if (source == null) {
            return null;
        }
        T result = null;
        try {
            result = clazz.newInstance();
        } catch (InstantiationException | IllegalAccessException e) {
            e.printStackTrace();
        }
        BeanUtils.copyProperties(source, result);
        return result;
    }


    
    public static  List copyProperties(List sourceList, Class clazz) {
        if (sourceList == null) {
            return null;
        }
        return sourceList.stream().map(item -> copyProperties(item, clazz)).collect(Collectors.toList());
    }


    
    public static  Set copyProperties(Set sourceSet, Class clazz) {
        if (sourceSet == null) {
            return null;
        }
        return sourceSet.stream().map(item -> copyProperties(item, clazz)).collect(Collectors.toSet());
    }

    
    public static  Page copyProperties(Page sourcePage, Class clazz) {
        if (sourcePage == null) {
            return null;
        }

        Page result = new Page();
        result.setCurrent(sourcePage.getCurrent());
        result.setSize(sourcePage.getSize());
        result.setTotal(sourcePage.getTotal());
        result.setPages(sourcePage.getPages());
        result.setRecords(copyProperties(sourcePage.getRecords(), clazz));
        result.setSearchCount(sourcePage.searchCount());
        result.setOptimizeCountSql(sourcePage.optimizeCountSql());
        return result;
    }

}