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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| <?php | ||
| /** | ||
| * Desc: | ||
| * Author: Ivone <[email protected]> | ||
| * Date: 2022/6/23 | ||
| * Time: 15:49 | ||
| */ | ||
|
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||
| namespace Coords; | ||
|
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||
| class Rectangle | ||
| { | ||
|
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| private $_west; | ||
| private $_north; | ||
| private $_east; | ||
| private $_south; | ||
|
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| /** | ||
| * China region - raw data | ||
| * @var null | ||
| */ | ||
| private static $_region = null; | ||
|
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| /** | ||
| * China excluded region - raw data | ||
| * @var null | ||
| */ | ||
| private static $_exclude = null; | ||
|
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| /** | ||
| * Rectangle constructor. | ||
| * @param float $lng1 | ||
| * @param float $lat1 | ||
| * @param float $lng2 | ||
| * @param float $lat2 | ||
| */ | ||
| public function __construct($lng1, $lat1, $lng2, $lat2) | ||
| { | ||
| $this->_west = min($lng1, $lng2); | ||
| $this->_north = max($lat1, $lat2); | ||
| $this->_east = max($lng1, $lng2); | ||
| $this->_south = min($lat1, $lat2); | ||
| } | ||
|
|
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| /** | ||
| * @param float $lon | ||
| * @param float $lat | ||
| * @return bool | ||
| */ | ||
| public function contain($lon, $lat) | ||
| { | ||
| return $this->_west <= $lon && $this->_east >= $lon && $this->_north >= $lat && $this->_south <= $lat; | ||
| } | ||
|
|
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| /** | ||
| * initData | ||
| */ | ||
| private static function initData() | ||
| { | ||
| if (!self::$_region) { | ||
| self::$_region = []; | ||
| self::$_region[] = new self(79.446200, 49.220400, 96.330000, 42.889900); | ||
| self::$_region[] = new self(109.687200, 54.141500, 135.000200, 39.374200); | ||
| self::$_region[] = new self(73.124600, 42.889900, 124.143255, 29.529700); | ||
| self::$_region[] = new self(82.968400, 29.529700, 97.035200, 26.718600); | ||
| self::$_region[] = new self(97.025300, 29.529700, 124.367395, 20.414096); | ||
| self::$_region[] = new self(107.975793, 20.414096, 111.744104, 17.871542); | ||
| } | ||
|
|
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| if (!self::$_exclude) { | ||
| self::$_exclude = []; | ||
| self::$_exclude[] = new self(119.921265, 25.398623, 122.497559, 21.785006); | ||
| self::$_exclude[] = new self(101.865200, 22.284000, 106.665000, 20.098800); | ||
| self::$_exclude[] = new self(106.452500, 21.542200, 108.051000, 20.487800); | ||
| self::$_exclude[] = new self(109.032300, 55.817500, 119.127000, 50.325700); | ||
| self::$_exclude[] = new self(127.456800, 55.817500, 137.022700, 49.557400); | ||
| self::$_exclude[] = new self(131.266200, 44.892200, 137.022700, 42.569200); | ||
| self::$_exclude[] = new self(73.124600, 35.398637, 77.948114, 29.529700); | ||
| } | ||
| } | ||
|
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| /** | ||
| * 判断是否是国内 | ||
| * @param float $lon | ||
| * @param float $lat | ||
| * @return bool true: 国内 | false: 国外 | ||
| */ | ||
| public static function isInChina($lon, $lat) | ||
| { | ||
| self::initData(); | ||
| foreach (self::$_region as $region) { | ||
| if ($region->contain($lon, $lat)) { | ||
| foreach (self::$_exclude as $exclude) { | ||
| if ($exclude->contain($lon, $lat)) { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| } |