87 lines
2.7 KiB
PHP
87 lines
2.7 KiB
PHP
<?php
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/**
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* tpshop
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* ============================================================================
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* 版权所有 2015-2027 深圳搜豹网络科技有限公司，并保留所有权利。
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* 网站地址: http://www.tp-shop.cn
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* ----------------------------------------------------------------------------
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* 这不是一个自由软件！您只能在不用于商业目的的前提下对程序代码进行修改和使用 .
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* 不允许对程序代码以任何形式任何目的的再发布。
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* 采用最新Thinkphp5助手函数特性实现单字母函数M D U等简写方式
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* ============================================================================
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* Author: yhj
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* Date: 2018-08-23
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*/
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namespace app\common\logic;
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use app\common\util\TpshopException;
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use think\Model;
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use think\Db;
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/**
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* 门店类
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*/
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class Shop
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{
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/**
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* 过滤远距离，
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* @param $shop_list
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* @param $lng
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* @param $lat
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* @param $distance | 单位Km
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* @return mixed
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*/
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public function filterDistance($shop_list, $lng, $lat, $distance){
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if(empty($shop_list)) return [];
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if(is_array($shop_list)){
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foreach($shop_list as $k => $arr){
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$dis = $this->getDistance($lat, $lng, $arr['latitude'], $arr['longitude']);
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$shop_list[$k]['distance'] = round($dis,2);
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$shop_list[$k]['ngt_dis'] = $distance;
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if($dis > floatval($distance)){
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unset($shop_list[$k]);
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}else{
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$shop_list[$k]['distance'] = round($dis, 1);
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$shop_list[$k]['shop_img'] = $this->getShopImg($arr['shop_id']);
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}
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}
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$shop_list = array_sort($shop_list,'distance','asc');
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}else{
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return [];
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}
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return array_values($shop_list);
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}
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/**
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* 获取2点之间的距离
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* @param $lat1
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* @param $lng1
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* @param $lat2
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* @param $lng2
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* @return float|int
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*/
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public function getDistance($lat1, $lng1, $lat2, $lng2)
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{
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$p = 3.1415926535898;
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$r = 6378.137;
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$radLat1 = $lat1 * ($p / 180);
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$radLat2 = $lat2 * ($p / 180);
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$a = $radLat1 - $radLat2;
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$b = ($lng1 * ($p / 180)) - ($lng2 * ($p / 180));
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$s = 2 * asin(sqrt(pow(sin($a / 2), 2) + cos($radLat1) * cos($radLat2) * pow(sin($b / 2), 2)));
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$s = $s * $r;
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$s = round($s * 10000) / 10000;
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return $s;
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}
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/**
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* @param $shop_id
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* @return mixed
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*/
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function getShopImg($shop_id){
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$image_url = Db::name('shop_images')->where('shop_id',$shop_id)->value('image_url');
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$image_url = $image_url ?:'/public/static/images/haidilao.jpg';
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return $image_url;
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}
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} |