百度收录状态检查与URL提交API的实现

// 允许跨域请求
header('Access-Control-Allow-Origin: *');
header('Content-Type: application/json; charset=utf-8');

// 获取参数
$action = isset($_GET['action']) ? $_GET['action'] : '';
$url = isset($_GET['url']) ? $_GET['url'] : '';

function checkBaiduIndex($url) {
    $urlParts = parse_url($url);
    $domain = $urlParts['host'];
    $path = isset($urlParts['path']) ? $urlParts['path'] : '';
    $query = isset($urlParts['query']) ? '?' . $urlParts['query'] : '';
    
    // 构造百度搜索URL
    $searchUrl = "https://www.baidu.com/s?wd=site:{$domain} inurl:" . urlencode($path . $query);
    
    // 设置请求头模拟浏览器
    $options = [
        'http' => [
            'method' => 'GET',
            'header' => 'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36...'
        ]
    ];
    
    $context = stream_context_create($options);
    $result = file_get_contents($searchUrl, false, $context);
    
    // 分析搜索结果
    $isIndexed = strpos($result, '没有找到与') === false && strpos($result, $domain) !== false;
    
    return [
        'success' => true,
        'indexed' => $isIndexed,
        'message' => $isIndexed ? '该URL已被百度收录' : '该URL未被百度收录'
    ];
}

function submitToBaidu($url, $token) {
    $urlParts = parse_url($url);
    $domain = $urlParts['host'];
    
    // 构造百度API接口URL
    $apiUrl = "http://data.zz.baidu.com/urls?site={$domain}&token={$token}";
    
    // 设置POST请求
    $options = [
        'http' => [
            'method' => 'POST',
            'header' => 'Content-Type: text/plain',
            'content' => $url
        ]
    ];
    
    $context = stream_context_create($options);
    $result = file_get_contents($apiUrl, false, $context);
    
    // 解析API响应
    $resultData = json_decode($result, true);
    
    if (isset($resultData['success'])) {
        return [
            'success' => true,
            'message' => '提交成功，预计' . $resultData['success'] . '条URL将被收录',
            'data' => $resultData
        ];
    } else {
        return [
            'success' => false,
            'message' => '提交失败: ' . (isset($resultData['message']) ? $resultData['message'] : '未知错误'),
            'data' => $resultData
        ];
    }
}