mirror of
https://gitee.com/zongzhige/shopxo.git
synced 2024-11-30 02:49:03 +08:00
228 lines
7.9 KiB
PHP
Executable File
228 lines
7.9 KiB
PHP
Executable File
<?php
|
||
// +----------------------------------------------------------------------
|
||
// | ShopXO 国内领先企业级B2C免费开源电商系统
|
||
// +----------------------------------------------------------------------
|
||
// | Copyright (c) 2011~2099 http://shopxo.net All rights reserved.
|
||
// +----------------------------------------------------------------------
|
||
// | Licensed ( https://opensource.org/licenses/mit-license.php )
|
||
// +----------------------------------------------------------------------
|
||
// | Author: Devil
|
||
// +----------------------------------------------------------------------
|
||
namespace base;
|
||
|
||
/**
|
||
* 坐标转换工具
|
||
* @author Devil
|
||
* @blog http://gong.gg/
|
||
* @version 0.0.1
|
||
* @datetime 2018-06-04T21:51:08+0800
|
||
*/
|
||
class GeoTransUtil
|
||
{
|
||
private static $x_pi = 3.14159265358979324*3000.0/180.0;
|
||
private static $pi = 3.14159265358979324;
|
||
private static $a = 6378245.0;
|
||
private static $ee = 0.00669342162296594323;
|
||
private static $earth_radius = 6378.137;
|
||
|
||
/**
|
||
* 计算两组经纬度坐标 之间的距离
|
||
* params ：lat1 纬度1； lng1 经度1； lat2 纬度2； lng2 经度2； len_type （1:m or 2:km);
|
||
* return m or km
|
||
*/
|
||
|
||
/**
|
||
* [GetDistance 获取两个坐标之间的距离]
|
||
* @author Devil
|
||
* @blog http://gong.gg/
|
||
* @version 1.0.0
|
||
* @datetime 2017-10-23T09:33:58+0800
|
||
* @param [float] $lng1 [经度1]
|
||
* @param [float] $lat1 [维度1]
|
||
* @param [float] $lng2 [经度2]
|
||
* @param [float] $lat2 [维度2]
|
||
* @param [int] $len_type [返回结果类型（1千米, 2公里）默认千米]
|
||
* @param [int] $decimal [保留小数位数（默认2）]
|
||
* @return [int|float] [返回千米或公里值]
|
||
*/
|
||
public static function GetDistance($lng1, $lat1, $lng2, $lat2, $len_type = 1, $decimal = 2)
|
||
{
|
||
$radLat1 = $lat1 * self::$pi / 180.0;
|
||
$radLat2 = $lat2 * self::$pi / 180.0;
|
||
$a = $radLat1 - $radLat2;
|
||
$b = ($lng1 * self::$pi / 180.0) - ($lng2 * self::$pi / 180.0);
|
||
$s = 2 * asin(sqrt(pow(sin($a/2),2) + cos($radLat1) * cos($radLat2) * pow(sin($b/2),2)));
|
||
$s = $s * self::$earth_radius;
|
||
if($len_type == 1)
|
||
{
|
||
$s = round($s * 1000);
|
||
}
|
||
return round($s, $decimal);
|
||
}
|
||
|
||
/**
|
||
* [GcjToBd 火星坐标(GCJ02坐标，高德，谷歌，腾讯坐标)到百度坐标BD-09]
|
||
* @author Devil
|
||
* @blog http://gong.gg/
|
||
* @version 1.0.0
|
||
* @datetime 2017-10-18T13:58:14+0800
|
||
* @param [float] $lng [经度]
|
||
* @param [float] $lat [纬度]
|
||
* @return [array] [转换后的进维度]
|
||
*/
|
||
public static function GcjToBd($lng, $lat)
|
||
{
|
||
$result = ['lng'=>0, 'lat'=>0];
|
||
if(empty($lng) || empty($lat))
|
||
{
|
||
return $result;
|
||
}
|
||
|
||
$x = $lng;
|
||
$y = $lat;
|
||
$z = sqrt($x * $x + $y * $y) + 0.00002 * sin($y * self::$x_pi);
|
||
$theta = atan2($y, $x) + 0.000003 * cos($x * self::$x_pi);
|
||
$result['lng'] = $z * cos($theta) + 0.0065;
|
||
$result['lat'] = $z * sin($theta) + 0.006;
|
||
return $result;
|
||
}
|
||
|
||
/**
|
||
* [BdToGcj 百度坐标BD-09到火星坐标GCJ02(高德，谷歌，腾讯坐标)]
|
||
* @author Devil
|
||
* @blog http://gong.gg/
|
||
* @version 1.0.0
|
||
* @datetime 2017-10-18T13:58:14+0800
|
||
* @param [float] $lng [经度]
|
||
* @param [float] $lat [纬度]
|
||
* @return [array] [转换后的进维度]
|
||
*/
|
||
public static function BdToGcj($lng, $lat)
|
||
{
|
||
$result = ['lng'=>0, 'lat'=>0];
|
||
if(empty($lng) || empty($lat))
|
||
{
|
||
return $result;
|
||
}
|
||
|
||
$x = $lng - 0.0065;
|
||
$y = $lat - 0.006;
|
||
$z = sqrt($x * $x + $y * $y) - 0.00002 * sin($y * self::$x_pi);
|
||
$theta = atan2($y, $x) - 0.000003 * cos($x * self::$x_pi);
|
||
$result['lng'] = $z * cos($theta);
|
||
$result['lat'] = $z * sin($theta);
|
||
return $result;
|
||
}
|
||
|
||
/**
|
||
* [WgsToGcj WGS-84(GPS坐标，谷歌地球坐标) 到 GCJ-02(火星坐标) 的转换]
|
||
* @author Devil
|
||
* @blog http://gong.gg/
|
||
* @version 1.0.0
|
||
* @datetime 2017-10-18T14:03:26+0800
|
||
* @param [float] $lng [经度]
|
||
* @param [float] $lat [纬度]
|
||
* @return [array] [转换后的进维度]
|
||
*/
|
||
public static function WgsToGcj($lng, $lat)
|
||
{
|
||
$result = ['lng'=>0, 'lat'=>0];
|
||
if(empty($lng) || empty($lat))
|
||
{
|
||
return $result;
|
||
}
|
||
|
||
//double wgLat, double wgLon, out double mgLat, out double mgLon
|
||
$wgLat = $lat;
|
||
$wgLon = $lng;
|
||
if(self::outOfChina($wgLat, $wgLon))
|
||
{
|
||
return ['lng'=>$wgLon, 'lat'=>$wgLat];
|
||
}
|
||
|
||
$dLat = GeoTransUtil::transformLat($wgLon - 105.0, $wgLat - 35.0);
|
||
$dLon = GeoTransUtil::transformLon($wgLon - 105.0, $wgLat - 35.0);
|
||
$radLat = $wgLat / 180.0 * self::$pi;
|
||
$magic = sin($radLat);
|
||
$magic = 1 - self::$ee * $magic * $magic;
|
||
$sqrtMagic = sqrt($magic);
|
||
$dLat = ($dLat * 180.0) / ((self::$a * (1 - self::$ee)) / ($magic * $sqrtMagic) * self::$pi);
|
||
$dLon = ($dLon * 180.0) / (self::$a / $sqrtMagic * cos($radLat) * self::$pi);
|
||
|
||
$result['lng'] = $wgLon + $dLon;
|
||
$result['lat'] = $wgLat + $dLat;
|
||
return $result;
|
||
}
|
||
|
||
/**
|
||
* [GcjToWgs GCJ-02 到 WGS-84 的转换]
|
||
* @author Devil
|
||
* @blog http://gong.gg/
|
||
* @version 1.0.0
|
||
* @datetime 2017-10-18T14:03:26+0800
|
||
* @param [float] $lng [经度]
|
||
* @param [float] $lat [纬度]
|
||
* @return [array] [转换后的进维度]
|
||
*/
|
||
public static function GcjToWgs($lng, $lat)
|
||
{
|
||
$result = ['lng'=>0, 'lat'=>0];
|
||
if(empty($lng) || empty($lat))
|
||
{
|
||
return $result;
|
||
}
|
||
|
||
$to = self::WgsToGcj($lng, $lat);
|
||
$lat = $from->x;
|
||
$lon = $from->y;
|
||
$g_lat = $to->x;
|
||
$g_lon = $to->y;
|
||
$d_lat = $g_lat - $lat;
|
||
$d_lon = $g_lon - $lon;
|
||
|
||
$result['lng'] = $lon - $d_lon;
|
||
$result['lat'] = $lat - $d_lat;
|
||
return $result;
|
||
}
|
||
|
||
private static function outOfChina($lat,$lon)
|
||
{
|
||
if ($lon < 72.004 || $lon > 137.8347)
|
||
return true;
|
||
if ($lat < 0.8293 || $lat > 55.8271)
|
||
return true;
|
||
|
||
return false;
|
||
}
|
||
|
||
private static function transformLat($x,$y)
|
||
{
|
||
$ret = -100.0 + 2.0 * $x + 3.0 * $y + 0.2 * $y * $y + 0.1 * $x * $y + 0.2 * sqrt(abs($x));
|
||
$ret += (20.0 * sin(6.0 * $x * self::$pi) + 20.0 * sin(2.0 * $x * self::$pi)) * 2.0 / 3.0;
|
||
$ret += (20.0 * sin($y * self::$pi) + 40.0 * sin($y / 3.0 * self::$pi)) * 2.0 / 3.0;
|
||
$ret += (160.0 * sin($y / 12.0 * self::$pi) + 320 * sin($y * self::$pi / 30.0)) * 2.0 / 3.0;
|
||
return $ret;
|
||
}
|
||
|
||
private static function transformLon($x, $y)
|
||
{
|
||
$ret = 300.0 + $x + 2.0 * $y + 0.1 * $x * $x + 0.1 * $x * $y + 0.1 * sqrt(abs($x));
|
||
$ret += (20.0 * sin(6.0 * $x * self::$pi) + 20.0 * sin(2.0 * $x * self::$pi)) * 2.0 / 3.0;
|
||
$ret += (20.0 * sin($x * self::$pi) + 40.0 * sin($x / 3.0 * self::$pi)) * 2.0 / 3.0;
|
||
$ret += (150.0 * sin($x / 12.0 * self::$pi) + 300.0 * sin($x / 30.0 * self::$pi)) * 2.0 / 3.0;
|
||
return $ret;
|
||
}
|
||
}
|
||
|
||
/*// 测试demo
|
||
require './GeoTransUtil.class.php';
|
||
|
||
// 高德转百度
|
||
//$ret = GeoTransUtil::GcjToBd(106.504943,29.53319);
|
||
|
||
// 百度转高德
|
||
$ret = GeoTransUtil::BdToGcj(106.518492,29.540528);
|
||
echo '</br>';
|
||
echo $ret['lng'].','.$ret['lat'];*/
|
||
|
||
?>
|