author：咔咔
$ip = '113.139.214.239';
$content = file_get_contents('http://ip.taobao.com/service/getIpInfo.php?ip='.$ip);
$banned = json_decode(trim($content), true);
dump($banned);die;
接口用的是淘宝的，下面是返回值
C:\phpStudy\PHPTutorial\WWW\tp5\thinkphp\library\think\Debug.php:226:
array (size=2)
'code' => int 0
'data' =>
array (size=13)
'ip' => string '56.23.52.41' (length=11)
'country' => string '美国' (length=6)
'area' => string '' (length=0)
'region' => string '北卡罗来纳' (length=15)
'city' => string 'XX' (length=2)
'county' => string 'XX' (length=2)
'isp' => string 'XX' (length=2)
'country_id' => string 'US' (length=2)
'area_id' => string '' (length=0)
'region_id' => string 'US_133' (length=6)
'city_id' => string 'xx' (length=2)
'county_id' => string 'xx' (length=2)
'isp_id' => string 'xx' (length=2)
