$slat=$banner_content['jd'];$slng=$banner_content['wd'];$sql="select*,acos(sin(($slng*3.1415)/180)*sin((wd*3.1415)/180)+cos(($slng*3.1415)/180)*cos((wd*3.1415)/180)*cos(($slat*3.1415)/180-(jd*3.1415)/180))*6370.996作为juli来自{$this->model->pre}postwherestatus=1andcid=29HAVINGjuli<=1";$list=$this->model->query($sql);数据库字段jdlongitudewdlatitude某点坐标$slatlongitude$slnglatitude更多精彩文章请关注王明昌的博客
