0
我在$ lt = $ scholars-> lat获取查询$学者的价值时遇到了问题。结果是dd($ lt)为空数组;为newQuery获得一个空的结果
。任何帮助将有助于我的学校项目。学者
的数据库
id lat lng scholar_birthday scholar_GPA
1 10.275667 123.8569163 1995-12-12 89
2 10.2572114 123.839243 2000-05-05 88
3 9.9545909 124.1368558 2002-05-05 89
4 10.1208564 124.8495005 2010-05-05 85
$scholars = (new Scholar)->newQuery()->select('*');
$scholars->whereBetween(DB::raw('TIMESTAMPDIFF(YEAR,scholars.scholar_birthday,CURDATE())'),array($ship_age_from,$ship_age_to));
$scholars->whereBetween(DB::raw('scholar_GPA'),array($ship_gpa_from,$ship_gpa_to));
$lt = $scholars->lat;
$lg = $scholars->lng;
$str = $lt.','.$lg;
$url = 'http://maps.googleapis.com/maps/api/geocode/json?latlng='.trim($lt).','.trim($lg).'&sensor=false';
$json = @file_get_contents($url);
$data=json_decode($json);
$status = $data->status;
$data->results[0]->formatted_address;
dd($lt);
$scholars = $scholars->get();
DD结果
未定义的属性:照亮\数据库\雄辩\生成器:: $ LAT
'学者'的结果是什么? – nextt1