問題描述
使用 html 表單，我們可以使用 enctype="multipart/form-data" 將文件從客戶端上傳到服務器，輸入 type="file" 等等在.
with html forms we can upload a file from a client to a server with enctype="multipart/form-data", input type="file" and so on.
有沒有辦法讓一個文件已經在服務器上，然后以同樣的方式將它傳輸到另一臺服務器?
Is there a way to have a file already ON the server and transfer it to another server the same way?
感謝提示.
//哇！這是我見過最快的問答頁面！！
// WoW! This is the fastest question answering page i have ever seen!!
推薦答案
當瀏覽器將文件上傳到服務器時，它會發送一個包含文件內容的 HTTP POST 請求.
When the browser is uploading a file to the server, it sends an HTTP POST request, that contains the file's content.
你必須復制它.
對于 PHP，最簡單的(或者至少是最常用的) 解決方案可能是使用 curl.
With PHP, the simplest (or, at least, most used) solution is probably to work with curl.
如果您查看可以使用 curl_setopt，你會看到這個:CURLOPT_POSTFIELDS (引用):
If you take a look at the list of options you can set with curl_setopt, you'll see this one : CURLOPT_POSTFIELDS (quoting) :
要在 HTTPPOST"中發布的完整數據手術.
要發布文件，在文件名前面加上@ 并使用完整路徑.
這可以是作為 urlencoded 字符串傳遞，如'para1=val1¶2=val2&...' 或作為以字段名稱為鍵的數組和字段數據作為值.
如果值是一個數組，Content-Type 標頭將設置為 multipart/form-data.
The full data to post in a HTTP "POST" operation.
To post a file, prepend a filename with @ and use the full path.
This can either be passed as a urlencoded string like 'para1=val1¶2=val2&...' or as an array with the field name as key and field data as value.
If value is an array, the Content-Type header will be set to multipart/form-data.
未經測試，但我認為這樣的事情應該可以解決問題 - 或者至少
幫助您入門:
Not tested,but I suppose that something like this should do the trick -- or at least
help you get started :
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "http://www.example.com/your-destination-script.php");
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, array(
'file' => '@/..../file.jpg',
// you'll have to change the name, here, I suppose
// some other fields ?
));
$result = curl_exec($ch);
curl_close($ch);
基本上，你:
- 正在使用 curl
- 必須設置目標網址
- 表示你希望
curl_exec返回結果，而不是輸出它 - 正在使用
POST，而不是GET - 正在發布一些數據，包括一個文件 -- 請注意文件路徑前的
@.
- are using curl
- have to set the destination URL
- indicate you want
curl_execto return the result, and not output it - are using
POST, and notGET - are posting some data, including a file -- note the
@before the file's path.
這篇關于從服務器到服務器的http傳輸文件的文章就介紹到這了，希望我們推薦的答案對大家有所幫助，也希望大家多多支持html5模板網！