如何通过Proxy连接使用cURL获取数据

Question

我想使用代理连接在 cURL 的帮助下打开任何网址。以下是代码...我们仍然无法连接此功能并通过此功能获取积极的数据请提供适当的帮助来解决此问题。每次我运行这段代码。我收到“Else”条件消息。

<?php
function getPage($proxy, $url, $referer, $agent, $header, $timeout) {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_HEADER, $header);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_PROXY, $proxy);
    curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
    curl_setopt($ch, CURLOPT_REFERER, $referer);
    curl_setopt($ch, CURLOPT_USERAGENT, $agent);

    $result['EXE'] = curl_exec($ch);
    $result['INF'] = curl_getinfo($ch);
    $result['ERR'] = curl_error($ch);

    curl_close($ch);

    return $result;
}
?>
<?php
$result = getPage(
    '[64.71.138.122]:[80]', // use valid proxy
    'http://www.google.com/search?q=twitter',
    'http://www.google.com/',
    'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:7.0.1) Gecko/20100101 Firefox/7.0.1',
    1,
    5);

if (empty($result['ERR'])) {
    echo "Positive message" ;
} else {
    echo "Negative Message" ;
}
?>

当我们打印这个“print_r($result);”时结果将是…………

        Array ( [EXE] => [INF] => Array ( [url] => http://www.google.com/search?q=twitter [content_type] => [http_code] => 0 [header_size] => 0 [request_size] => 0 [filetime] => -1 [ssl_verify_result] => 0 [redirect_count] => 0 [total_time] => 5.019769 [namelookup_time] => 0.000129 [connect_time] => 0 [pretransfer_time] => 0 [size_upload] => 0 [size_download] => 0 [speed_download] => 0 [speed_upload] => 0 [download_content_length] => -1 [upload_content_length] => -1 [starttransfer_time] => 0 [redirect_time] => 0 ) [ERR] => connect() timed out! ) 

Answer 1

也许这可以帮助 http://code.google.com/apis/gdata /articles/using_cURL.html#authentication
您应该真正了解您复制的内容 http://www.fromzerotoseo.com/ scraping-websites-php-curl-proxy/

您可以使用

function curl_google($keyword){

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,
'http://www.google.com/search?hl=en&q='.urlencode($keyword).'&btnG=Google+Search&meta=');
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FILETIME, true);
return $data = curl_exec($ch);
curl_close($ch);

}

，但您必须解析结果（也许使用 SimpleXMLElement）...祝您好运