Java合并两个对象的值，将第一个对象不为空的值赋值到目标对象

package com.hzrc.apply.utils;

import org.springframework.util.ObjectUtils;

import java.lang.reflect.Field;

/**
 * @author SJT
 * @Description: 合并两个对象的值，将第一个对象不为空的值赋值到目标对象
 * @date 2022-04-26 09:47
 */
public class MergeObjectsUtil {

    //合并两个对象的值
    public static <T> T mergeObjects(T sourceBean, T targetBean) {

        Class sourceBeanClass = sourceBean.getClass();
        Class targetBeanClass = targetBean.getClass();

         Field[] sourceFields = sourceBeanClass.getDeclaredFields();
        Field[] targetFields = targetBeanClass.getDeclaredFields();
            for (int i = 0; i < sourceFields.length; i++) {
                Field sourceField = sourceFields[i];
                Field targetField = targetFields[i];
                sourceField.setAccessible(true);
                targetField.setAccessible(true);

                Class<?> type = sourceField.getType();

                try {
                    if (!ObjectUtils.isEmpty(sourceField.get(sourceBean))) {
                        targetField.set(targetBean, sourceField.get(sourceBean));
                    }
                } catch (IllegalArgumentException | IllegalAccessException e) {
                    e.printStackTrace();
                }
        }
            return targetBean;
    }

}

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