mybatis判断多个条件

@Select("<script>" 
            + "SELECT v.id,v.kfcode,v.kfname,v.kc, p.wzname,p.dw,v.wzgg"
            + " FROM  (select * from y_kc"
            + " where softdel=0"
            + "<if test=\"kfcode!=null and kfcode!=''\">" 
            + " and kfcode=#{kfcode}"
            + "</if>" 
            + "<if test='wzbm!=null'>" 
            + " and wzbm like concat('%',#{wzbm},'%') "
            + "</if>"
            + ") v inner join wz p" 
            + " on v.wzbm=p.wzbm"
            + " order by v.wzbm asc"
            + "</script>")
    Page<Kc> getKcswithWz(IPage<Kc> page, @Param("wzbm") String wzbm, @Param("kfcode") String kfcode);