?$field?=?'ACOS(SIN(('.$addr\["lat"\].'?\*?3.1415)?/?180?)?\*SIN((a.lat?\*?3.1415)?/?180?)?+COS(('.$addr\["lat"\].'?\*?3.1415)?/?180?)
????????????????\*?COS((a.lat?\*?3.1415)?/?180?)?\*COS(('.$addr\["lng"\].'?\*?3.1415)?/?180?-?(a.lng?\*?3.1415)?/?180?)?)?\*?6380?as?distance';
????????????$dot=Db::name('dot')
????????????????->alias('a')
????????????????->field($field.",dot\_store\_name,dot\_door\_photo,id,business\_status,service\_distance,xysm")
????????????????->where($where)
????????????????->having(?"distance<=service\_distance")
????????????????->order("distance?asc")
//????????????????->page($page,$limit)
????????????????->select();
