Java对象比较器

public class LogUtils {

    /**
     * 对象比较器
     * 比较结果eg：1、字段名称loginName,旧值:liu,新值:gu;2、字段名称address,旧值:hunan,新值:neimenggu
     * @param oldBean
     * @param newBean
     * @param filterFieldNames 过滤的参数合集
     * @return
     */
    public String compareObject(Object oldBean, Object newBean,String[] filterFieldNames) {
        String str = "";

        //if (oldBean instanceof SysConfServer && newBean instanceof SysConfServer) {
        T pojo1 = (T) oldBean;
        T pojo2 = (T) newBean;
        try {
            Class clazz = pojo1.getClass();
            Field[] fields = pojo1.getClass().getDeclaredFields();
            int i = 1;
            for (Field field : fields) {
                if ("serialVersionUID".equals(field.getName())) {
                    continue;
                }
                if( Arrays.asList(filterFieldNames).contains(field.getName())){
                    continue;
                }
                PropertyDescriptor pd = new PropertyDescriptor(field.getName(), clazz);
                Method getMethod = pd.getReadMethod();
                Object o1 = getMethod.invoke(pojo1);
                Object o2 = getMethod.invoke(pojo2);
                if (o1 == null || o2 == null) {
                    continue;
                }
                if (!o1.toString().equals(o2.toString())) {
                    if (i != 1) {
                        str += ";";
                    }
                    str += i + "、字段名称" + field.getName() + ",旧值:" + o1 + ",新值:" + o2;
                    i++;
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        // }
        return str;
    }
}