Question

我有一些代码可以从提供的网址获取网页。网址看起来像这样：

https://www.facebook.com/events/383049449109054/

这是我用于获取页面的代码：

function GetHtmlContents($url){
    echo $url;
    $ch = curl_init();
    $timeout = 5;
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
    $data = curl_exec($ch);
    curl_close($ch);
    return $data;
    echo "<br>";
    echo $data;
}

但是当我从本地主机运行时，echo $data是空的，它什么也没显示。
我该如何解决？这是我第一次使用cURL。

Answer 1

您可以使用此代码获取页面内容

函数GetHtmlContents（$ url）

$ user_agent =“ Mozilla / 5.0（Windows NT 6.1; rv：8.0）Gecko / 20100101 Firefox / 8.0”;

    $options = array(

        CURLOPT_CUSTOMREQUEST  =>"GET",        //set request type post or get
        CURLOPT_POST           =>false,        //set to GET
        CURLOPT_USERAGENT      => $user_agent, //set user agent
        CURLOPT_COOKIEFILE     =>"cookie.txt", //set cookie file
        CURLOPT_COOKIEJAR      =>"cookie.txt", //set cookie jar
        CURLOPT_RETURNTRANSFER => true,     // return web page
        CURLOPT_HEADER         => false,    // don't return headers
        CURLOPT_FOLLOWLOCATION => true,     // follow redirects
        CURLOPT_ENCODING       => "",       // handle all encodings
        CURLOPT_AUTOREFERER    => true,     // set referer on redirect
        CURLOPT_CONNECTTIMEOUT => 120,      // timeout on connect
        CURLOPT_TIMEOUT        => 120,      // timeout on response
        CURLOPT_MAXREDIRS      => 10,       // stop after 10 redirects
    );

    $ch      = curl_init( $url );
    curl_setopt_array( $ch, $options );
    $content = curl_exec( $ch );
    $err     = curl_errno( $ch );
    $errmsg  = curl_error( $ch );
    $header  = curl_getinfo( $ch );
    curl_close( $ch );

    $header['errno']   = $err;
    $header['errmsg']  = $errmsg;
    $header['content'] = $content;
    return $header;
}    print_r(GetHtmlContents('https://www.facebook.com/events/383049449109054/'));

”

Answer 2

尝试一下，它应该对您有用。

function GetHtmlContents($url){
    echo file_get_contents($url); 
}

详细了解file_get_contents()

http://php.net/manual/en/function.file-get-contents.php

cURL获取html页面结果为空

2 个答案: