You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
2.3 KiB
88 lines
2.3 KiB
<?php
|
|
|
|
namespace app\common\model;
|
|
|
|
use think\Cache;
|
|
use think\Model;
|
|
|
|
/**
|
|
* 地区数据模型
|
|
*/
|
|
class Area extends Model
|
|
{
|
|
|
|
/**
|
|
* 根据经纬度获取当前地区信息
|
|
*
|
|
* @param string $lng 经度
|
|
* @param string $lat 纬度
|
|
* @return Area 城市信息
|
|
*/
|
|
public static function getAreaFromLngLat($lng, $lat, $level = 3)
|
|
{
|
|
$namearr = [1 => 'geo:province', 2 => 'geo:city', 3 => 'geo:district'];
|
|
$rangearr = [1 => 15000, 2 => 1000, 3 => 200];
|
|
$geoname = $namearr[$level] ?? $namearr[3];
|
|
$georange = $rangearr[$level] ?? $rangearr[3];
|
|
// 读取范围内的ID
|
|
$redis = Cache::store('redis')->handler();
|
|
$georadiuslist = [];
|
|
if (method_exists($redis, 'georadius')) {
|
|
$georadiuslist = $redis->georadius($geoname, $lng, $lat, $georange, 'km', ['WITHDIST', 'COUNT' => 5, 'ASC']);
|
|
}
|
|
|
|
if ($georadiuslist) {
|
|
list($id, $distance) = $georadiuslist[0];
|
|
}
|
|
$id = isset($id) && $id ? $id : 3;
|
|
return self::get($id);
|
|
}
|
|
|
|
/**
|
|
* 根据经纬度获取省份
|
|
*
|
|
* @param string $lng 经度
|
|
* @param string $lat 纬度
|
|
* @return Area
|
|
*/
|
|
public static function getProvinceFromLngLat($lng, $lat)
|
|
{
|
|
$provincedata = null;
|
|
$citydata = self::getCityFromLngLat($lng, $lat);
|
|
if ($citydata) {
|
|
$provincedata = self::get($citydata['pid']);
|
|
}
|
|
return $provincedata;
|
|
}
|
|
|
|
/**
|
|
* 根据经纬度获取城市
|
|
*
|
|
* @param string $lng 经度
|
|
* @param string $lat 纬度
|
|
* @return Area
|
|
*/
|
|
public static function getCityFromLngLat($lng, $lat)
|
|
{
|
|
$citydata = null;
|
|
$districtdata = self::getDistrictFromLngLat($lng, $lat);
|
|
if ($districtdata) {
|
|
$citydata = self::get($districtdata['pid']);
|
|
}
|
|
return $citydata;
|
|
}
|
|
|
|
/**
|
|
* 根据经纬度获取地区
|
|
*
|
|
* @param string $lng 经度
|
|
* @param string $lat 纬度
|
|
* @return Area
|
|
*/
|
|
public static function getDistrictFromLngLat($lng, $lat)
|
|
{
|
|
$districtdata = self::getAreaFromLngLat($lng, $lat, 3);
|
|
return $districtdata;
|
|
}
|
|
|
|
}
|
|
|