PHP教程：php通过淘宝API查询IP地址归属等信息

PHP应用
<?php
/* Usage:
 * $IPInfo = TaobaoIPQuery2::getIPInfo('IPAddress');
 */
Class TaobaoIPQuery2{
  private static $_requestURL = 'http://ip.taobao.com/service/getIpInfo.php';
  public static function getIPInfo($ip){
    $long = ip2long($ip);
    if($long === 0){
      throw new Exception('IP address error', 5);
    }
    $ip=long2ip($long);
    $IPInfo = self::queryIPInfo($ip);
    return self::parseJSON($IPInfo);
  }
  
  private static function queryIPInfo($ip){
    $query = http_build_query(array('ip'=>$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',
  );
}

PHP应用
<?php
Class TaobaoIPQuery2{
  private static $_requestURL = 'http://ip.taobao.com/service/getIpInfo.php';
  public static function getIPInfo($ip){
    $long = ip2long($ip);
    if($long === 0){
      throw new Exception('IP address error', 5);
    }
    $ip=long2ip($long);
    $IPInfo = self::queryIPInfo($ip);
    return self::parseJSON($IPInfo);
  }
  
  private static function queryIPInfo($ip){
    $query = http_build_query(array('ip'=>$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',
  );
}

PHP应用
$ip = $_SERVER["REMOTE_ADDR"];
$ipquery = new taobaoIPQuery($ip);
$region = $ipquery->get_region();
$country = $ipquery->get_country();
$city = $ipquery->get_city();

PHP应用
/* 
 *根据腾讯IP分享计划的地址获取IP所在地,比较精确 
 */ 
function getIPLoc_QQ($queryIP){ 
  $url = 'http://ip.qq.com/cgi-bin/searchip?searchip1='.$queryIP; 
  $ch = curl_init($url); 
  curl_setopt($ch,CURLOPT_ENCODING ,'gb2312'); 
  curl_setopt($ch, CURLOPT_TIMEOUT, 10); 
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true) ; // 获取数据返回 
  $result = curl_exec($ch); 
  $result = mb_convert_encoding($result, "utf-8", "gb2312"); // 编码转换,否则乱码 
  curl_close($ch); 
  preg_match("@<span>(.*)</span></p>@iU",$result,$ipArray); 
  $loc = $ipArray[1]; 
  return $loc; 
} 

PHP应用
/* 
 *根据新浪IP查询接口获取IP所在地 
 */ 
function getIPLoc_sina($queryIP){ 
  $url = 'http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=json&ip='.$queryIP; 
  $ch = curl_init($url); 
  //curl_setopt($ch,CURLOPT_ENCODING ,'utf8'); 
  curl_setopt($ch, CURLOPT_TIMEOUT, 10); 
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true) ; // 获取数据返回 
  $location = curl_exec($ch); 
  $location = json_decode($location); 
  curl_close($ch); 
   
  $loc = ""; 
  if($location===FALSE) return ""; 
  if (emptyempty($location->desc)) { 
    $loc = $location->province.$location->city.$location->district.$location->isp; 
  }else{ 
    $loc = $location->desc; 
  } 
  return $loc; 
}