通过反射查找子类、父类的属性（子类找不到则到父类找）

packagecn.ucmed.pangu.lib;
importlombok.extern.slf4j.Slf4j;
importjava.lang.reflect.Field;
importjava.util.ArrayList;
importjava.util.Arrays;
importjava.util.List;
@Slf4j
public classReflectionUtil {
    /**
     * 根据属性名查找对应的属性，子类没有的属性会到父类找
     *
     * @paramo
     * @paramfieldName
     * @return
     */
    public staticField getDeclareField(Object o, String fieldName) {
        Field field = null;
        Class<?> clazz =o.getClass();
        for (; clazz != Object.class; clazz =clazz.getSuperclass()) {
            try{
                field =clazz.getDeclaredField(fieldName);
            } catch(NoSuchFieldException e) {
                log.warn("bean没有该属性，bean = " + clazz.getName() + "，属性 = " +fieldName);
            }
        }
        returnfield;
    }
    /**
     * 属性设值
     *
     * @paramo         子类对象
     * @paramfieldName 属性名
     * @paramvalue     需要设置的属性值
     */
    public static voidsetFieldValue(Object o, String fieldName, Object value) {
        Field field =getDeclareField(o, fieldName);
        if (field != null) {
            field.setAccessible(true);
            try{
                field.set(o, value);
            } catch(IllegalAccessException e) {
                e.printStackTrace();
            }
        } else{
            log.error("对象没有该属性，对象 = " + o.getClass() + " 属性 = " +fieldName);
        }
    }
    public staticObject getFieldName(Object o, String fieldName) {
        Field field =getDeclareField(o, fieldName);
        if (field != null) {
            field.setAccessible(true);
            try{
                returnfield.get(o);
            } catch(IllegalAccessException e) {
                e.printStackTrace();
            }
        }
        return null;
    }
    /**
     * 获取对象所有的属性，包括父类的属性
     *
     * @paramo
     * @return
     */
    public staticField[] getAllProperties(Object o) {
        Class clazz =o.getClass();
        List<Field> fieldList = new ArrayList<>();
        while (clazz != null) {
            fieldList.addAll(new ArrayList<>(Arrays.asList(clazz.getDeclaredFields())));
            clazz =clazz.getSuperclass();
        }
        Field[] fields = newField[fieldList.size()];
        fieldList.toArray(fields);
        returnfields;
    }
}