PHP經典抓取網路資料方法 index.php forum.php phpno

$url = 'blog.csdn.net/guugle2010';
$html = file_get_contents($url);
echo $html;

        $data = array(
                'name' => 'guugle',
                'blog' => 'blog.csdn.net/guugle2010'
        );      
        $data = http_build_query($data);
        $options = array(
                'http' => array(
                        'method' => 'POST',
                        'header' => 'Content-type:application/x-www-form-urlencode',
                        'content' => $data
                )
        );
        $url = "http://localhost/test.php";
        $context = stream_context_create($options);
        $result = file_get_contents($url, false, $context);
        echo $result;

$url = 'http://blog.csdn.net/guugle2010';
$handle = fopen($url, r);
$html = '';
while(!feof($handle)){
    $html .= fgets($handle);
}
echo $html;
fclose($handle);

$url = 'http://blog.csdn.net/guugle2010';
$ch = curl_init();
$timeout = 5;
curl_setopt ($ch, CURLOPT_URL, $url);
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
$file_contents = curl_exec($ch);
curl_close($ch);
 
echo $file_contents;

$url = 'http://blog.csdn.net/guugle2010';
function get_url($url,$cookie=false)
{
    $url = parse_url($url);
    $query = $url['path']."?".$url['query'];
    echo "Query:".$query;
    $fp = fsockopen( $url['host'], $url['port']?$url['port']:80 , $errno, $errstr, 30);
    if (!$fp)
    {
        return false;
    }
    else {
        $request = "GET $query HTTP/1.1\r\n";
        $request .= "Host: $url[host]\r\n";
        $request .= "Connection: Close\r\n";
        if($cookie) $request.="Cookie:   $cookie\n";
        $request.="\r\n";
        fwrite($fp,$request);
		$result = '';
        while(!feof($fp))
        {
            $result .= @fgets($fp, 1024);
        }
        fclose($fp);
        return $result;
    }
}
//获取url的html部分，去掉header
function GetUrlHTML($url,$cookie=false)
{
    $rowdata = get_url($url,$cookie);
    if($rowdata)
    {
        $body= stristr($rowdata,"\r\n\r\n");
        $body=substr($body,4,strlen($body));
        return $body;
    }

    return false;
}

echo get_url($url);

echo GetUrlHTML($url);