Parlz/ipapi.php

<?php
header('Content-Type: application/json; charset=utf-8');

// 获取IP地址
$ip = $_GET['ip'] ?? '';

// 如果没有ip参数，检查第一个GET参数是否是IP地址
if (empty($ip)) {
    $queryString = $_SERVER['QUERY_STRING'] ?? '';
    if (!empty($queryString)) {
        $parts = explode('=', $queryString, 2);
        $potentialIp = $parts[0];
        if (filter_var($potentialIp, FILTER_VALIDATE_IP)) {
            $ip = $potentialIp;
        }
    }
}

if (empty($ip)) {
    echo json_encode([
        'error' => '请提供IP地址参数',
        'status' => 'error'
    ], JSON_UNESCAPED_UNICODE);
    exit;
}

// 验证IP地址格式
if (!filter_var($ip, FILTER_VALIDATE_IP)) {
    echo json_encode([
        'error' => '无效的IP地址格式',
        'status' => 'error'
    ], JSON_UNESCAPED_UNICODE);
    exit;
}

// 定义IP查询API列表
$apis = [
    // 纯真数据API
    'cz88' => function($ip) {
        $url = "http://ip.taokeyun.com/api.php?ip={$ip}&datatype=json";
        return callApi($url);
    },
    
    // ipip API
    'ipip' => function($ip) {
        $url = "https://freeapi.ipip.net/{$ip}";
        return callApi($url);
    },
    
    // 淘宝数据API
    'taobao' => function($ip) {
        $url = "http://ip.taobao.com/service/getIpInfo.php?ip={$ip}";
        return callApi($url);
    },
    
    // IP2REGION API
    'ip2region' => function($ip) {
        $url = "http://api.ip2region.com/v1/?ip={$ip}&key=free";
        return callApi($url);
    },
    
    // 备用：ip-api.com
    'ipapi' => function($ip) {
        $url = "http://ip-api.com/json/{$ip}?lang=zh-CN";
        return callApi($url);
    }
];

// API调用函数
function callApi($url) {
    $ch = curl_init($url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_TIMEOUT, 8);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
    curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36');
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($ch, CURLOPT_MAXREDIRS, 3);
    $response = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    $error = curl_error($ch);
    curl_close($ch);
    
    if ($error || $httpCode !== 200) {
        return false;
    }
    
    return json_decode($response, true);
}

// 解析不同API的响应
function parseApiResponse($apiName, $data, $ip) {
    switch ($apiName) {
        case 'cz88':
            if (isset($data['code']) && $data['code'] == 0) {
                return [
                    'ip' => $ip,
                    'city' => $data['data']['city'] ?? '',
                    'region' => $data['data']['province'] ?? '',
                    'country' => $data['data']['country'] ?? '',
                    'isp' => $data['data']['isp'] ?? '',
                    'status' => 'success'
                ];
            }
            break;
            
        case 'ipip':
            if (is_array($data) && count($data) >= 5) {
                return [
                    'ip' => $ip,
                    'city' => $data[3] ?? '',
                    'region' => $data[2] ?? '',
                    'country' => $data[0] ?? '',
                    'isp' => $data[4] ?? '',
                    'status' => 'success'
                ];
            }
            break;
            
        case 'taobao':
            if (isset($data['code']) && $data['code'] == 0) {
                return [
                    'ip' => $ip,
                    'city' => $data['data']['city'] ?? '',
                    'region' => $data['data']['region'] ?? '',
                    'country' => $data['data']['country'] ?? '',
                    'isp' => $data['data']['isp'] ?? '',
                    'status' => 'success'
                ];
            }
            break;
            
        case 'ip2region':
            if (isset($data['ret']) && $data['ret'] == 200) {
                $location = explode('|', $data['data']['location'] ?? '');
                return [
                    'ip' => $ip,
                    'city' => $location[3] ?? '',
                    'region' => $location[2] ?? '',
                    'country' => $location[0] ?? '',
                    'isp' => $location[4] ?? '',
                    'status' => 'success'
                ];
            }
            break;
            
        case 'ipapi':
            if (isset($data['status']) && $data['status'] === 'success') {
                return [
                    'ip' => $data['query'] ?? $ip,
                    'city' => $data['city'] ?? '',
                    'region' => $data['regionName'] ?? '',
                    'country' => $data['country'] ?? '',
                    'isp' => $data['isp'] ?? '',
                    'status' => 'success'
                ];
            }
            break;
    }
    return false;
}

// 尝试所有API，直到成功
$locationData = false;
foreach ($apis as $apiName => $apiFunc) {
    $data = $apiFunc($ip);
    if ($data) {
        $locationData = parseApiResponse($apiName, $data, $ip);
        if ($locationData) {
            break;
        }
    }
}

// 如果所有API都失败
if (!$locationData) {
    echo json_encode([
        'error' => '所有IP查询API都失败，请稍后再试',
        'status' => 'error'
    ], JSON_UNESCAPED_UNICODE);
    exit;
}

// 输出JSON响应
echo json_encode($locationData, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
?>