200分求助CURL设置HTTPHEADER上传文件问题！-PHP Tutorial-php.cn

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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;

Copy after login

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;

Copy after login

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 $s;</pre><div class="contentsignin">Copy after login</div></div> </p> <p class="sougouAnswer"> http文件上传协议，主要是那个boundary,这个东西就是标识一个文件的内容和类型以及各种上传参数的token,其它和普通的POST提交也没啥区别。 <br /> <br /> fsockopen来写http请求就比较直白，用curl的话模拟对应的请求头和body就好了。 <br /> <div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:php;toolbar:false;'><?php//what file you want to upload$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 $content;?></pre><div class="contentsignin">Copy after login</div></div> <br /> <br /> upload.php <br /> <div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:php;toolbar:false;'><?php print_r($_FILES);?></pre><div class="contentsignin">Copy after login</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">Copy after login</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">Copy after login</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">Statement of this Website</div> <div>The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. 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Today, we'll discuss how you can send notifications ov</p> </div> </div> <a href="https://www.php.cn/be/" class="phpgenera_Details_mainL4_botton"> <span>See all articles</span> <img src="/static/imghw/down_right.png" alt="" /> </a> </div> </div> </div> </main> <footer> <div class="footer"> <div class="footertop"> <img src="/static/imghw/logo.png" alt=""> <p>Public welfare online PHP training，Help PHP learners grow quickly！</p> </div> <div class="footermid"> <a href="https://www.php.cn/about/us.html">About us</a> <a href="https://www.php.cn/about/disclaimer.html">Disclaimer</a> <a href="https://www.php.cn/update/article_0_1.html">Sitemap</a> </div> <div class="footerbottom"> <p> © php.cn All rights reserved </p> </div> </div> </footer> <input type="hidden" id="verifycode" value="/captcha.html"> <script>layui.use(['element', 'carousel'], function () {var element = layui.element;$ = layui.jquery;var carousel = layui.carousel;carousel.render({elem: '#test1', width: '100%', height: '330px', arrow: 'always'});$.getScript('/static/js/jquery.lazyload.min.js', function () {$("img").lazyload({placeholder: "/static/images/load.jpg", effect: "fadeIn", threshold: 200, skip_invisible: false});});});</script> <script src="/static/js/common_new.js"></script> <script type="text/javascript" src="/static/js/jquery.cookie.js?1743630658"></script> <script src="https://vdse.bdstatic.com//search-video.v1.min.js"></script> <link rel='stylesheet' id='_main-css' href='/static/css/viewer.min.css?2' type='text/css' media='all' /> <script type='text/javascript' src='/static/js/viewer.min.js?1'></script> <script type='text/javascript' src='/static/js/jquery-viewer.min.js'></script> <script type="text/javascript" src="/static/js/global.min.js?5.5.53"></script> <script> var _paq = window._paq = window._paq || []; /* tracker methods like "setCustomDimension" should be called before "trackPageView" */ _paq.push(['trackPageView']); _paq.push(['enableLinkTracking']); (function () { var u = "https://tongji.php.cn/"; _paq.push(['setTrackerUrl', u + 'matomo.php']); _paq.push(['setSiteId', '9']); var d = document, g = d.createElement('script'), s = d.getElementsByTagName('script')[0]; g.async = true; g.src = u + 'matomo.js'; s.parentNode.insertBefore(g, s); })(); </script> <script> // top layui.use(function () { var util = layui.util; util.fixbar({ on: { mouseenter: function (type) { layer.tips(type, this, { tips: 4, fixed: true, }); }, mouseleave: function (type) { layer.closeAll("tips"); }, }, }); }); document.addEventListener("DOMContentLoaded", (event) => { // 定义一个函数来处理滚动链接的点击事件 function setupScrollLink(scrollLinkId, targetElementId) { const scrollLink = document.getElementById(scrollLinkId); const targetElement = document.getElementById(targetElementId); if (scrollLink && targetElement) { scrollLink.addEventListener("click", (e) => { e.preventDefault(); // 阻止默认链接行为 targetElement.scrollIntoView({ behavior: "smooth" }); // 平滑滚动到目标元素 }); } else { console.warn( `Either scroll link with ID '${scrollLinkId}' or target element with ID '${targetElementId}' not found.` ); } } // 使用该函数设置多个滚动链接 setupScrollLink("Article_Details_main1L2s_1", "article_main_title1"); setupScrollLink("Article_Details_main1L2s_2", "article_main_title2"); setupScrollLink("Article_Details_main1L2s_3", "article_main_title3"); setupScrollLink("Article_Details_main1L2s_4", "article_main_title4"); setupScrollLink("Article_Details_main1L2s_5", "article_main_title5"); setupScrollLink("Article_Details_main1L2s_6", "article_main_title6"); // 可以继续添加更多的滚动链接设置 }); window.addEventListener("scroll", function () { var fixedElement = document.getElementById("Article_Details_main1Lmain"); var scrollTop = window.scrollY || document.documentElement.scrollTop; // 兼容不同浏览器 var clientHeight = window.innerHeight || document.documentElement.clientHeight; // 视口高度 var scrollHeight = document.documentElement.scrollHeight; // 页面总高度 // 计算距离底部的距离 var distanceToBottom = scrollHeight - scrollTop - clientHeight; // 当距离底部小于或等于300px时，取消固定定位 if (distanceToBottom <= 980) { fixedElement.classList.remove("Article_Details_main1Lmain"); fixedElement.classList.add("Article_Details_main1Lmain_relative"); } else { // 否则，保持固定定位 fixedElement.classList.remove("Article_Details_main1Lmain_relative"); fixedElement.classList.add("Article_Details_main1Lmain"); } }); </script> </body> </html>