200分求助CURL设置HTTPHEADER上传文件问题！-php教程-PHP中文网

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200分求助CURL设置HTTPHEADER上传文件问题！

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Jun 23, 2016 pm 02:20 PM

哪位大侠有使用CURL设置HTTPHEADER来上传文件的经验？

求指点

PS：不是 '@'.文件名，而是Content-Type: application/octet-stream

回复讨论(解决方案)

curl不支持这种方式，你需要自己构造数据包。我研究过

curl不支持这种方式，你需要自己构造数据包。我研究过

是否有示例？

http://cn.php.net/fsockopen
CTRL + F搜索boundary，例子好好看看，构建一个文件上传的http请求头即可，按理说CURL构建同样的请求头应该也没问题。

总结一下项目中用到curl的几种方式
1. php curl的默认调用方法，get方式访问url
Java代码
....
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_HTTPHEADER, $header);    //设置http头
    curl_setopt($ch, CURLOPT_ENCODING, "gzip" );         //设置为客户端支持gzip压缩
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30 );  //设置连接等待时间
    curl_setopt($ch, CURLOPT_URL, $url );
    curl_exec( $ch );
    if ($error = curl_error($ch) ) {
        //出错处理
        return -1;
    }
    fclose($fp);

    $curl_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);        //获取http返回值
    if( $curl_code == 200 ) {
        //正常访问url
    }
    //异常
....

....
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_HTTPHEADER, $header);    //设置http头
    curl_setopt($ch, CURLOPT_ENCODING, "gzip" );         //设置为客户端支持gzip压缩
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30 );  //设置连接等待时间
    curl_setopt($ch, CURLOPT_URL, $url );
    curl_exec( $ch );
    if ($error = curl_error($ch) ) {
        //出错处理
        return -1;
    }
    fclose($fp);

    $curl_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);        //获取http返回值
    if( $curl_code == 200 ) {
        //正常访问url
    }
    //异常
....
2. 设置http header支持curl访问lighttpd服务器
Java代码
$header[]= 'Expect:';

$header[]= 'Expect:';
3. 设置curl，只获取http header，不获取body：
Java代码
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_NOBODY, 1);

curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_NOBODY, 1);
或者只获取body：
Java代码
curl_setopt($ch, CURLOPT_HEADER, 0);   // make sure we get the body
curl_setopt($ch, CURLOPT_NOBODY, 0);

    curl_setopt($ch, CURLOPT_HEADER, 0);   // make sure we get the body
    curl_setopt($ch, CURLOPT_NOBODY, 0);
4. 访问虚拟主机，需设置Host
$header[]= 'Host: '.$host;
5. 使用post, put, delete等REStful方式访问url
post:
    curl_setopt($ch, CURLOPT_POST, 1 );
put, delete:
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "DELETE");  //或者PUT，需要服务器支持这些方法。
6. 保存下载内容为文件
    curl_setopt($ch, CURLOPT_FILE, $fp);

http://cn.php.net/fsockopen
CTRL + F搜索boundary，例子好好看看，构建一个文件上传的http请求头即可，按理说CURL构建同样的请求头应该也没问题。

谢谢，CURL不支持这种上传方法吗？

可能是比较复杂吧，所以 curl 提供了 '@'.文件名的方式。把构造头和数据的工作留给了自己

但 curl 依然提供了 CURLOPT_UPLOAD 来表示上传文件，但实际上使用了 PUT 请求
只适合向 ftp 上传文件
在 php 中，要从 php://input 读取

使用 #5 给出的代码，会产生无法识别的请求这样的错误，注释掉文件上传的那段，依然报这个错。不知是什么原因
但对比 curl PUT 方式的数据报，似乎也没有什么差异

知道了，这样写就可以！

$contents =<<< 'TEXT'数据报中应该是Content-Disposition: form-data; name="userfile"; filename="file_name"Content-Type: 文档类型文件内容这样的格式，我只实现了文件名部分，文档类型不知道如何实现。这样上传后就取不到 type 的值curl_upload_server.php<xmp><?phpprint_r($_FILES);echo "文件内容:\n";$p = current($_FILES);readfile($p['tmp_name']);TEXT;$fields['f"; filename="x.x'] = $contents; //这个关联键的写法很怪异吧？$ch = curl_init();  curl_setopt($ch, CURLOPT_URL,"http://localhost/curl_upload_server.php");  curl_setopt($ch, CURLOPT_POST, 1 );curl_setopt($ch, CURLOPT_POSTFIELDS, $fields);curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);$s = curl_exec ($ch);  curl_close ($ch);  echo $s;

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原来这样就有 type了

$varname = 'my';$name = '3.txt';$type = 'text/plain';$key = <<< TEXT$varname"; filename="$nameContent-Type: $typeTEXT;$fields[$key] = $contents;

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注意：我是在 win 下的，linux 下要将 \n 换成 \r\n
没办法，早年的 sun 是拼不过 ms 的，现在也不行吧？

一直以为上传的文件类型是 php 识别的，却原来是浏览器提供的

原来这样就有 type了PHP code
$varname = 'my';
$name = '3.txt';
$type = 'text/plain';
$key = <<< TEXT
$varname"; filename="$name
Content-Type: $type

TEXT;
$fields[$key] = $contents;

注意：我是在 win 下的，linux 下……

很感谢，有没有比较完整的CURL 通过拼接HTTPHEADER信息上传的POST示例呢？

#10 就是
curl_upload_server.php 就是测试用服务器端

<br /> <?php <br /> print_r($_FILES); <br /> <br /> echo "文件内容:\n"; <br /> $p = current($_FILES); <br /> readfile($p['tmp_name']); <br /> </p> <p class="sougouAnswer"> <p class="modified_message"> 本帖最后由 xuzuning 于 2012-04-10 13:19:42 编辑 </p> 完整的代码 <div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:php;toolbar:false;'>$contents =<<< 'TEXT'数据报中应该是Content-Disposition: form-data; name="userfile"; filename="file_name"Content-Type: 文档类型文件内容这样的格式以下是服务器端代码curl_upload_server.php<xmp><?phpprint_r($_FILES); //检查上传信息echo "文件内容:\n";$p = current($_FILES);readfile($p['tmp_name']); //输出上传的文件TEXT;$varname = 'my';$name = '3.txt';$type = 'text/plain';$key = "$varname\"; filename=\"$name\r\nContent-Type: $type\r\n";$fields[$key] = $contents;$ch = curl_init(); curl_setopt($ch, CURLOPT_URL,"http://localhost/curl_upload_server.php"); curl_setopt($ch, CURLOPT_POST, 1 );curl_setopt($ch, CURLOPT_POSTFIELDS, $fields);curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);$s = curl_exec ($ch); curl_close ($ch); echo $s;</pre><div class="contentsignin">登录后复制</div></div> </p> <p class="sougouAnswer"> http文件上传协议，主要是那个boundary,这个东西就是标识一个文件的内容和类型以及各种上传参数的token,其它和普通的POST提交也没啥区别。 <br /> <br /> fsockopen来写http请求就比较直白，用curl的话模拟对应的请求头和body就好了。 <br /> <div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:php;toolbar:false;'><?php//what file you want to upload$uploadFile = file_get_contents("/var/www/index.html");//content boundary $boundary = md5(time());$postStr = "";$postStr .="--".$boundary."\r\n";$postStr .="Content-Disposition: form-data; name=\"uptxt\"; filename=\"index.html\"\r\n";$postStr .="Content-Type: text/html\r\n\r\n";$postStr .=$uploadFile."\r\n";$postStr .="--".$boundary."\r\n"; /** use fsockopen to set upload http header and body **/$fp = fsockopen("localhost","80",$errer,$errno,1);fwrite($fp,"POST /upload.php HTTP/1.0\r\n");fwrite($fp,"Content-Type: multipart/form-data; boundary=".$boundary."\r\n");fwrite($fp,"Content-length:".strlen($postStr)."\r\n\r\n");fwrite($fp,$postStr);while (!feof($fp)){ echo fgets($fp, 128);}fclose($fp);/** use curl instead **/$cl = curl_init('http://localhost/upload.php');$boundary = md5(time());curl_setopt($cl,CURLOPT_POST,true);curl_setopt($cl,CURLOPT_HTTPHEADER,array( "Content-Type: multipart/form-data; boundary=".$boundary));curl_setopt($cl,CURLOPT_POSTFIELDS,$postStr);curl_setopt($cl,CURLOPT_RETURNTRANSFER,true);$content = curl_exec($cl);curl_close($cl);echo $content;?></pre><div class="contentsignin">登录后复制</div></div> <br /> <br /> upload.php <br /> <div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:php;toolbar:false;'><?php print_r($_FILES);?></pre><div class="contentsignin">登录后复制</div></div> <br /> <br /> 结果 <br /> <div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:php;toolbar:false;'>HTTP/1.1 200 OKServer: nginx/0.8.54Date: Tue, 10 Apr 2012 05:22:01 GMTContent-Type: text/htmlConnection: closeX-Powered-By: PHP/5.3.10Array( [uptxt] => Array ( [name] => index.html [type] => text/html [tmp_name] => /tmp/phpKHfxkY [error] => 0 [size] => 344 ))Array( [uptxt] => Array ( [name] => index.html [type] => text/html [tmp_name] => /tmp/phpB0se13 [error] => 0 [size] => 344 ))</pre><div class="contentsignin">登录后复制</div></div> <br /> <br /> <br /> <br /> </p> <p class="sougouAnswer"> 完整的代码PHP code <br /> $contents =<<< 'TEXT' <br /> 数据报中应该是 <br /> Content-Disposition: form-data; name="userfile"; filename="file_name" <br /> Content-Type: 文档类型 <br /> <br /> 文件内容 <br /> <br /> 这样的格式 <br /> 以下是服务器端代码 <br /> curl_upload_server.php <br /> <xmp> <br /> <?php <br /> print_r(…… <br /> <br /> 没有client? </p> <p class="sougouAnswer"> 完整的代码PHP code <br /> $contents =<<< 'TEXT' <br /> 数据报中应该是 <br /> Content-Disposition: form-data; name="userfile"; filename="file_name" <br /> Content-Type: 文档类型 <br /> <br /> 文件内容 <br /> <br /> 这样的格式 <br /> 以下是服务器端代码 <br /> curl_upload_server.php <br /> <xmp> <br /> <?php <br /> print_r(…… <br /> <br /> 最好能分开发一下，谢谢 </p> <p class="sougouAnswer"> http文件上传协议，主要是那个boundary,这个东西就是标识一个文件的内容和类型以及各种上传参数的token,其它和普通的POST提交也没啥区别。 <br /> <br /> fsockopen来写http请求就比较直白，用curl的话模拟对应的请求头和body就好了。 <br /> PHP code <br /> <?php <br /> //what file you want to upload <br /> $uploadFile = file_get_…… <br /> <br /> 非常感谢，CURL部分的代码我这边测试成功了，我再加一百分 </p> <p class="sougouAnswer"> #14 服务器端 <br /> #15 客户端 <br /> <br /> #14 中的 $contents 是待上传的文件内容 </p> <p class="sougouAnswer"> 上次好像看到你问的是一个文件切分多份，然后上传，如果是这样的话，你要要做的只是用boundary标识多个上传内容区块。比如 <br /> <div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:php;toolbar:false;'>$boundary = md5(time());$postStr = "";$postStr .="--".$boundary."\r\n";$postStr .="Content-Disposition: form-data; name=\"uptxt[]\"; filename=\"index_1.html\"\r\n";$postStr .="Content-Type: text/html\r\n\r\n";$postStr .=$uploadFile."\r\n"; #这里是部分文件内容$postStr .="--".$boundary."\r\n";$postStr .="--".$boundary."\r\n";$postStr .="Content-Disposition: form-data; name=\"uptxt[]\"; filename=\"index_2.html\"\r\n"; $postStr .="Content-Type: text/html\r\n\r\n";$postStr .=$uploadFile."\r\n";#这里是部分文件内容$postStr .="--".$boundary."\r\n";</pre><div class="contentsignin">登录后复制</div></div> <br> </p> <p class="sougouAnswer"> 收藏了！ </p> <p class="sougouAnswer"> to #21 <br> 你这样做是不行的，应该使用 curl_multi 并发 <br> 不然把一个文件拆成几个，一次性传出，再在服务器端组装。有什么意义？ <br> </p> <p class="sougouAnswer"> 上次好像看到你问的是一个文件切分多份，然后上传，如果是这样的话，你要要做的只是用boundary标识多个上传内容区块。比如 <br> PHP code <br> $boundary = md5(time()); <br> $postStr = ""; <br> $postStr .="--".$boundary."\r\n"; <br> $postStr .="Content-Disposition: form-data; name=…… <br> <br> 我用了个循环来做 </p> <p class="sougouAnswer"> 引用 21 楼的回复: <br> <br> 上次好像看到你问的是一个文件切分多份，然后上传，如果是这样的话，你要要做的只是用boundary标识多个上传内容区块。比如 <br> PHP code <br> $boundary = md5(time()); <br> $postStr = ""; <br> $postStr .="--".$boundary."\r\n"; <br> $postStr .="Content-Dispositi…… <br> <br> 感谢，curl_multi很有用 </p> <p class="sougouAnswer"> to #21 <br> 你这样做是不行的，应该使用 curl_multi 并发 <br> 不然把一个文件拆成几个，一次性传出，再在服务器端组装。有什么意义？ <br> 说的也是哈，不过curl_multi的并发，对于请求不同的url后获取数据比较有意义，就是说是并行请求不同的url获取http返回。如果往同一url请求，要么就一次请求，要么就分发多次请求，多次请求有个性能消耗在于每次都要scoket连接/销毁，但是能控制请求字节数。 </p> <p class="sougouAnswer"> 引用 23 楼的回复: <br> <br> to #21 <br> 你这样做是不行的，应该使用 curl_multi 并发 <br> 不然把一个文件拆成几个，一次性传出，再在服务器端组装。有什么意义？ <br> <br> 说的也是哈，不过curl_multi的并发，对于请求不同的url后获取数据比较有意义，就是说是并行请求不同的url获取http返回。如果往同一url请求，要么就一次请求，要么就分发多次请求，多次请求有个性能消耗在于每…… <br> 忘了如果服务器支持keep-alive的话，无需进行多次socket create，呵呵 </p> <p class="sougouAnswer"> 一路上传不能充分利用网络资源，多路并发可使上传速度加快 <br> </p> <p class="sougouAnswer"> 引用 26 楼的回复: <br> <br> 引用 23 楼的回复: <br> <br> to #21 <br> 你这样做是不行的，应该使用 curl_multi 并发 <br> 不然把一个文件拆成几个，一次性传出，再在服务器端组装。有什么意义？ <br> <br> 说的也是哈，不过curl_multi的并发，对于请求不同的url后获取数据比较有意义，就是说是并行请求不同的url获取http返回。如果往同一url请求，要么就一次请求，要么就分发多…… <br> <br> 嗯，基本上都支持keep-alive了 </p> <p class="sougouAnswer"> 一路上传不能充分利用网络资源，多路并发可使上传速度加快 <br> <br> 嗯，网络利用率更高 </p> <p class="sougouAnswer"> CSDN的编辑器还是没改进，同时回复多个还需要手动复制代码。。。 </p> <p class="sougouAnswer"> 嗯，服务器可开多线程/进程处理你的并发上传请求，这是快的缘故。 </p> <p class="sougouAnswer"> 只要资源够，多开几路并无大碍，至多大部被阻塞了，就相当于单路 <br> 设计成多路传输的好处还有，当某段数据传输失败时，可以重传这段。 <br> 这是单路传输设计做不到的 </p> <p class="sougouAnswer"> http://cn.php.net/fsockopen <br> CTRL + F搜索boundary，例子好好看看，构建一个文件上传的http请求头即可，按理说CURL构建同样的请求头应该也没问题。 <br> <br> 照着PHP手册里去做反而没成功 </p> <p class="sougouAnswer"> 引用 5 楼的回复: <br> <br> http://cn.php.net/fsockopen <br> CTRL + F搜索boundary，例子好好看看，构建一个文件上传的http请求头即可，按理说CURL构建同样的请求头应该也没问题。 <br> <br> <br> 照着PHP手册里去做反而没成功 <br> 是吗？你不如用wireshark,smartsniff等工具查看http请求格式(firebug或者chrome自带的F12应该也可以)，执行一次上传文件动作，然后观察文件上传时的http请求格式。 </p> <p class="sougouAnswer"> 贴个post的socket代码： <br> 我测试过的备份！ <br> <br> http://webinno.cn/blog/article/view/40 <br> <br> </p> <p class="sougouAnswer"> CURLOPT_HEADERFUNCTION这个参数可以设置HTTP协议回调，你可以参考下 </p> <p class="sougouAnswer"> curl只要你设置些参数，然后他自己会生成协议头提交服务器 </p> <p class="sougouAnswer"> 谢谢大家！ </p> <p class="sougouAnswer"> 我只用过Content-Type提供下载. </p> <p class="sougouAnswer"> 不错！！！！！！ </p> <p class="sougouAnswer"> 我也要一份 </p> </div> </div> <div class="wzconShengming_sp"> <div class="bzsmdiv_sp">本站声明</div> <div>本文内容由网友自发贡献，版权归原作者所有，本站不承担相应法律责任。如您发现有涉嫌抄袭侵权的内容，请联系admin@php.cn</div> </div> </div> <ins class="adsbygoogle" style="display:block" data-ad-format="autorelaxed" data-ad-client="ca-pub-5902227090019525" data-ad-slot="2507867629"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); 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