58 lines
2.0 KiB
PHP
58 lines
2.0 KiB
PHP
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<?php
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namespace app\api\logic;
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use app\common\basics\Logic;
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use app\common\model\LocalStore;
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use think\facade\Db;
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class LocalStoreLogic extends Logic
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{
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public function getLocalList($data){
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$model = new LocalStore;
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$distance = "";
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$s = "address like '%".$data['search']."%'";
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$count = $model->where('is_delete',0)
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->where($s)
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->count();
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// $lists = $model->where('is_delete',0)
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// ->where($s)
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// ->page($data['page'], $data['size'])
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// ->order('lstore_id desc')
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// ->select();
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$page = ($data['page']-1)*$data['size'];
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$sql = "SELECT *, ST_Distance_Sphere(POINT(".$data['longitude'].",".$data['latitude']."),POINT(longitude, latitude)) AS distance
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FROM ls_local_store where is_delete = 0 $s
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ORDER BY distance limit '".$page."','".$data['size']."'";
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$lists = Db::query($sql);
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foreach($lists as $key=>$value){
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$lists[$key]['distance'] = $this->distance($data['latitude'], $data['longitude'], $value['latitude'], $value['longitude']);
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}
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$data = [
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'list' => $lists,
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'page' => $data['page'],
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'size' => $data['size'],
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'count' => $count,
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'more' => is_more($count, $data['page'], $data['size'])
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];
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return $data;
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}
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function distance($lat1, $lon1, $lat2, $lon2) {
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$earthRadius = 6371000; // 地球平均半径，单位为米
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// 将经纬度转换为弧度
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$lat1 = deg2rad($lat1);
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$lon1 = deg2rad($lon1);
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$lat2 = deg2rad($lat2);
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$lon2 = deg2rad($lon2);
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// 使用haversine公式计算距离
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$diffLat = $lat2-$lat1;
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$diffLon = $lon2-$lon1;
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$a = sin($diffLat / 2) * sin($diffLat / 2) + cos($lat1) * cos($lat2) * sin($diffLon / 2) * sin($diffLon / 2);
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$c = 2 * atan2(sqrt($a), sqrt(1-$a));
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$distance = $earthRadius * $c;
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return $distance;
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}
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}
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