<select id="checkLogin" resultMap="BaseResultMap">

    SELECT <include refid="sql"/> FROM user
     where password = #{password}
     
     <if test="name!=null and name!=‘‘">
        and name = #{name}
     </if> 
     <if test="name!=null and name!=‘‘">
        or tel = #{name}
     </if> 
     <if test="name!=null and name!=‘‘">
        or identify = #{name}
     </if> 
     
    
    </select>