淘宝IP地址查询接口

淘宝公司提供了一个很好用的IP地理信息查询接口。 在这里:http://ip.taobao.com/ TaobaoIPQuery2这个类将极大的简化相关的信息查询。 无 ?php/* Usage: * $IPInfo = TaobaoIPQuery2::getIPInfo('IPAddress'); */Class TaobaoIPQuery2{private static $_reques

$ip));
		$ch = curl_init();
		$options = array(
			CURLOPT_URL => sprintf('%s?%s', self::$_requestURL, $query),
			CURLOPT_RETURNTRANSFER => true,
			CURLOPT_AUTOREFERER => false,
			CURLOPT_FOLLOWLOCATION => false,
			CURLOPT_HEADER => false,
			CURLOPT_TIMEOUT => 3.0,
		);
		curl_setopt_array($ch, $options);
		$content = curl_exec($ch);
		curl_close($ch);
		return $content;
	}
	
	private static function parseJSON($json){
		$O = json_decode ($json, true);
		if(false === is_null($O)){
			return $O;
		}
		if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
			$errorCode = json_last_error();
			if(isset(self::$_JSONParseError[$errorCode])){
				throw new Exception(self::$_JSONParseError[$errorCode], 5);
			}
		}
		throw new Exception('JSON parse error', 5);
	}
	
	private static $_JSONParseError = array(
		JSON_ERROR_NONE=>'No error has occurred',   
		JSON_ERROR_DEPTH=>'The maximum stack depth has been exceeded',   
		JSON_ERROR_CTRL_CHAR=>'Control character error, possibly incorrectly encoded',   
		JSON_ERROR_STATE_MISMATCH=>'Invalid or malformed JSON',   
		JSON_ERROR_SYNTAX=>'Syntax error',   
		JSON_ERROR_UTF8=>'Malformed UTF-8 characters, possibly incorrectly encoded',
	);
}

$ip));
		$ch = curl_init();
		$options = array(
			CURLOPT_URL => sprintf('%s?%s', self::$_requestURL, $query),
			CURLOPT_RETURNTRANSFER => true,
			CURLOPT_AUTOREFERER => false,
			CURLOPT_FOLLOWLOCATION => false,
			CURLOPT_HEADER => false,
			CURLOPT_TIMEOUT => 3.0,
		);
		curl_setopt_array($ch, $options);
		$content = curl_exec($ch);
		curl_close($ch);
		return $content;
	}
	
	private static function parseJSON($json){
		$O = json_decode ($json, true);
		if(false === is_null($O)){
			return $O;
		}
		if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
			$errorCode = json_last_error();
			if(isset(self::$_JSONParseError[$errorCode])){
				throw new Exception(self::$_JSONParseError[$errorCode], 5);
			}
		}
		throw new Exception('JSON parse error', 5);
	}
	
	private static $_JSONParseError = array(
		JSON_ERROR_NONE=>'No error has occurred',   
		JSON_ERROR_DEPTH=>'The maximum stack depth has been exceeded',   
		JSON_ERROR_CTRL_CHAR=>'Control character error, possibly incorrectly encoded',   
		JSON_ERROR_STATE_MISMATCH=>'Invalid or malformed JSON',   
		JSON_ERROR_SYNTAX=>'Syntax error',   
		JSON_ERROR_UTF8=>'Malformed UTF-8 characters, possibly incorrectly encoded',
	);
}