Object 对象与Map互转

import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.LinkedHashMap;
import java.util.Map;

public class BeanToMapUtil {


    /**
     * Object转Map
     *
     * @author:Shuoshi.Yan
     * @date: 2020/9/21 15:55
     */
    public static Map<String, Object> getObjectToMap(Object obj) {
        Map<String, Object> map = new LinkedHashMap<String, Object>();
        Class<?> clazz = obj.getClass();
        System.out.println(clazz);
        for (Field field : clazz.getDeclaredFields()) {
            field.setAccessible(true);
            String fieldName = field.getName();
            Object value = null;
            try {
                value = field.get(obj);
            } catch (IllegalAccessException e) {
                e.printStackTrace();
            }
            if (value == null) {
                value = "";
            }
            map.put(fieldName, value);
        }
        return map;
    }

    /**
     * Map转Object
     *
     * @author:Shuoshi.Yan
     * @date: 2020/9/21 15:55
     */
    public static Object mapToObject(Map<Object, Object> map, Class<?> beanClass) {
        if (map == null) {
            return null;
        }
        Object obj = null;
        try {
            obj = beanClass.newInstance();
        } catch (InstantiationException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
        Field[] fields = obj.getClass().getDeclaredFields();
        for (Field field : fields) {
            int mod = field.getModifiers();
            if (Modifier.isStatic(mod) || Modifier.isFinal(mod)) {
                continue;
            }
            field.setAccessible(true);
            if (map.containsKey(field.getName())) {
                try {
                    field.set(obj, map.get(field.getName()));
                } catch (IllegalAccessException e) {
                    e.printStackTrace();
                }
            }
        }
        return obj;
    }
}