php代码+怎么抓数据,PHP抓取网络数据的6种常见方法 4

[php]代码库// $url = 'http://yuncode.net';

$url = 'http://yuncode.net:80/php/sock.php?site=yuncode.net';

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);