Question

我尝试过使用fopen、file get contents和curl请求，但我总是返回400 Bad request。这是一个带有GET参数的简单网页请求。这是我的代码，有人能理解为什么这会导致问题吗？phpinfo（）；显示了允许这类请求的配置。

function get_web_page( $url )
{
    $options = array(
        CURLOPT_RETURNTRANSFER => true,     // return web page
        CURLOPT_HEADER         => false,    // don t return headers
        CURLOPT_FOLLOWLOCATION => true,     // follow redirects
        CURLOPT_ENCODING       => "",       // handle all encodings
        CURLOPT_USERAGENT      => "Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.8.1) Gecko/20061010 Firefox/2.0", // who am i
        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 );
$this->headers = array(
     Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8, image/gif, image/x-bitmap, image/jpeg, image/pjpeg ,
     Connection: Keep-Alive ,
     Content-type: application/x-www-form-urlencoded;charset=UTF-8 
);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $this->headers);
    $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;
}

。。。。

        $forwardURL =  *****/receive?from= .$_GET["from"]. &msg= .$_GET[ msg ]. &username= .$_GET[ username ]. &ac_password= .$_GET[ ac_password ]. &to= .$_GET[ to ]. &do= .$_GET[ do ];
print_r($this->get_web_page($forwardURL));

如果我将$forwardURL粘贴到我的浏览器中，它可以正常工作。

输出：

Array ( [url] => http://************/receive?from=*****&msg=*********&username=*******&ac_password=*****&to=********&do=send [content_type] => text/html; charset=us-ascii [http_code] => 400 [header_size] => 179 [request_size] => 594 [filetime] => -1 [ssl_verify_result] => 0 [redirect_count] => 0 [total_time] => 0.053303 [namelookup_time] => 0.000996 [connect_time] => 0.025709 [pretransfer_time] => 0.025711 [size_upload] => 0 [size_download] => 311 [speed_download] => 5834 [speed_upload] => 0 [download_content_length] => 311 [upload_content_length] => 0 [starttransfer_time] => 0.053264 [redirect_time] => 0 [errno] => 0 [errmsg] => [content] =>
Bad Request

HTTP Error 400. The request is badly formed.

)

Answer 1

尝试使用$forwardURLhttp://php.net/manual/en/function.http-build-query.php“rel=”nofollow“>http_build_query：

$forwardURL =  *****/receive?  . http_build_query(array(
     from  => $_GET[ from ],
     msg  => $_GET[ msg ],
     username  => $_GET[ username ],
     ac_password  => $_GET[ password ],
     to  => $_GET[ to ],
     do  => $_GET[ do ],
));

这个问题可能是由于URL中具有特殊含义的未转义字符造成的http_build_query为您安全地转义它们。

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