判断国内ip

php代码

//是否国内ip
function isChinaIP($ip) {saveLog("---isChinaIP----------");$url = "https://searchplugin.csdn.net/api/v1/ip/get?ip=".$ip;// 发送HTTP请求$response = file_get_contents($url);$utf8String = mb_convert_encoding($response, "UTF-8", "auto");saveLog("--isChinaIP---".$utf8String);// 解析JSON响应$data = json_decode($utf8String, true);// 判断所属地区是否为中国saveLog("isChinaIP address ".$data['data']['address']);if ($data && isset($data['data']['address']) && (strpos($data['data']['address'],"中国")!==false) ) {saveLog("isChinaIP true");return true;} else {return false;}
}

返回值

{"code":200,"msg":"success","data":{"address":"中国 重庆 重庆 电信","ip":"183.69.129.158"}}'

参考：https://blog.csdn.net/m0_53025912/article/details/132258243