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  • php中curl、fsockopen的应用

    这是简单的将一个变量post到另外一个页面

    $url = '';
    $data = array('a'=> 'b');
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    $ret = curl_exec($ch);
    curl_close($ch);


    主要说下这个选项CURLOPT_RETURNTRANSFER:如果设置为true/1,则curl_exec的时候不会自动将请求网页的内容输出到屏幕,$ret为请求网页的内容,如果设置为false/0,则curl_exec的时候会自动将请求网页的内容输出到屏幕,此时如果请求成功的话$ret的内容是1或者true。

    下面是上传本地文件的代码,如果需要上传远程文件,则先down到本地,然后删掉即可(如有同学有别的办法还请告知):

    $url = '';
    $file = '1.jpg';
    $field['uploadFile'] = '@'.$file;//(uploadFile为接收端的name名)
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $field);
    $ret = curl_exec($ch);
    curl_close($ch);

    -------------------------------------------------------------------------------------

    这是fsockopen的办法:

    $uploadInfo = array(
    'host'=>'',
    'port'=>'80',
    'url'=>'/upload.php'
    );
    $fp = fsockopen($uploadInfo['host'],$uploadInfo['port'],$errno,$errstr);
    $file = '1.jpg';

    $content = file_get_contents($file);
    $boundary = md5(time());
    $out.="--".$boundary." ";
    $out.="Content-Disposition: form-data; name="uploadFile"; filename="".$file."" ";
    $out.="Content-Type: image/jpg ";
    $out.=$content." ";
    $out.="--".$boundary." ";

    fwrite($fp,"POST ".$uploadInfo['url']." HTTP/1.1 ");
    fwrite($fp,"Host:".$uploadInfo['host']." ");
    fwrite($fp,"Content-Type: multipart/form-data; boundary=".$boundary." ");
    fwrite($fp,"Content-length:".strlen($out)." ");
    fwrite($fp,$out);
    while (!feof($fp)){
    $ret .= fgets($fp, 1024);
    }
    fclose($fp);
    $ret = trim(strstr($ret, " "));
    preg_match('/http:.*/', $ret, $match);
    return $match[0];
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  • 原文地址:https://www.cnblogs.com/zhouguowei/p/5314733.html
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