mybatis基于注解的sql中空字符串判断

 @Select("<script>" +
            "select c.id from dwzsk_content c " +
            "WHERE c.`status`!=3" +
            "<if test=‘title!=null and title!=&apos;&apos;‘>" +
            " and title=#{title}" +
            "</if>" +
            "</script>")
    List<SysContentVo> selectSysContentListBySysContentVo(SysContentVo sysContentVo);