package com.sgcc.utils;

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Class反射工具类
 *
 * @author zhaoyuanyuan
 * @version 1.0.0
 * @date 2024/06/24 17:26
 */
public class ClassUtils {

    /**
     * 对象转化为Map
     *
     * @param obj
     * @return {@code Map<String, Object> }
     * @author zhaoyuanyuan
     * @date 2024/06/24 17:26
     */
    public static Map<String,Object> objectToMap(Object obj) throws IllegalAccessException {
        Map<String,Object> map = new HashMap<>();
        if (obj == null){
            return map;
        }
        Field[] fields = obj.getClass().getDeclaredFields();
        for(Field field:fields){
            field.setAccessible(true);
            map.put(field.getName(), field.get(obj));
        }
        return map;
    }

    /**
     * 类型转化，实体对象列表转Map列表
     *
     * @param objectList
     * @return {@code List<Map<String, Object>> }
     * @author zhaoyuanyuan
     * @date 2024/06/24 17:27
     */
    public static <T> List<Map<String, Object>> objectListToListMap(List<T> objectList) throws IllegalAccessException {
        List<Map<String, Object>> resultList = new ArrayList<>();
        if (objectList == null || objectList.isEmpty()){
            return resultList;
        }
        for (T t : objectList) {
            resultList.add(objectToMap(t));
        }
        return resultList;
    }

}