JAVA通过反射给公共字段赋值工具类

每次新增和修改操作时，可以通过此工具类给公共字段赋值。

package com.cmcc.ictservice.utils;

import com.gystudio.tool.util.KeyUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.HashMap;
import java.util.Map;

/**
 * 公共字段赋值工具类
 * @author Zhangxiyun
 * @date 2024/9/6
 */
public class PublicFieldsUtils {

    private static final Logger logger = LoggerFactory.getLogger(PublicFieldsUtils.class);

    /**
     * 实体新增通用字段赋值
     * @param entity
     * @param currentUserId
     * @param <T>
     */
    public static <T> void setAddPublicFields(T entity, String currentUserId) {
        String currentTime = DateTimeUtil.getDateTimeString();
        Map<String, Object> publicFieldsMap = new HashMap<>();
        publicFieldsMap.put("id", KeyUtil.getUUID());
        publicFieldsMap.put("addTime", currentTime);
        publicFieldsMap.put("addUser", currentUserId);
        publicFieldsMap.put("lastUpdateTime", currentTime);
        publicFieldsMap.put("lastUpdateUser", currentUserId);
        publicFieldsMap.put("dataState", "Y");
        for (Map.Entry<String, Object> entry : publicFieldsMap.entrySet()) {
            String key = entry.getKey();
            Object value = entry.getValue();
            try {
                String methodName = "set" + key.substring(0, 1).toUpperCase() + key.substring(1);
                entity.getClass().getMethod(methodName, value.getClass()).invoke(entity, value);
            } catch (Exception e) {
                logger.info("Error setting property: " + key);
            }
        }
    }

    /**
     * 实体修改通用字段赋值
     * @param entity
     * @param currentUserId
     * @param <T>
     */
    public static <T> void setUpdatePublicFields(T entity, String currentUserId) {
        String currentTime = DateTimeUtil.getDateTimeString();
        Map<String, Object> publicFieldsMap = new HashMap<>();
        publicFieldsMap.put("lastUpdateTime", currentTime);
        publicFieldsMap.put("lastUpdateUser", currentUserId);
        for (Map.Entry<String, Object> entry : publicFieldsMap.entrySet()) {
            String key = entry.getKey();
            Object value = entry.getValue();
            try {
                String methodName = "set" + key.substring(0, 1).toUpperCase() + key.substring(1);
                entity.getClass().getMethod(methodName, value.getClass()).invoke(entity, value);
            } catch (Exception e) {
                logger.info("Error setting property: " + key);
            }
        }
    }
}