我正在尝试使用UnityWebRequest.Post（）上传多个文件，这是我的代码。

 public void UploadFiles()
 {
     string[] path = new string[3];
     path[0] = "D:/File1.txt";
     path[1] = "D:/File2.txt";
     path[2] = "D:/File3.txt";

     UnityWebRequest[] files = new UnityWebRequest[3];
     WWWForm form = new WWWForm();

     for (int i = 0; i < files.Length; i++)
     {
         files[i] = UnityWebRequest.Get(path[i]);
         form.AddBinaryData("files[]", files[i].downloadHandler.data, Path.GetFileName(path[i]));
     }

     UnityWebRequest req = UnityWebRequest.Post("http://localhost/File%20Upload/Uploader.php", form);
     yield return req.SendWebRequest();

     if (req.isHttpError || req.isNetworkError)
         Debug.Log(req.error);
     else
         Debug.Log("Uploaded " + files.Length + " files Successfully");
 }

但是，文件是在目标位置创建的，大小为0字节。这是我的Uploader.php代码

 <$php
   $total = count($_FILES['files']['name']);
   $uploadError = false;
   for ( $i = 0; $i < $total; $i++)
   {
     $tmpFilePath = $_FILES['files']['tmp_name'][$i];

     if ($tmpFilePath != "")
     {
         $newFilePath = "Uploads/".$_FILES['files']['name'][$i];
         if (!move_uploaded_file($tmpFilePath, $newFilePath))
             $uploadError = true;
     }
   }
   if ($uploadError)
       echo "Upload Error";
   else
       echo "Uploaded Successfully";
 ?>

我将此HTML示例用作参考。在浏览器中，HTML代码可以完美运行。而在Unity中却有问题。

 <form enctype="multipart/form-data" action="Uploader.php" method="POST">
     Choose a file to Upload:
     <input type="file" name="files[]" multiple="multiple" /><br>
     <input type="submit" value="Upload File" />
 </form>

Unity中实现多相机视角的视频采集及传输

紫枫Seven

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