无法用google drive sdk上传。doc文件

Question

我可以从我的应用程序上传。docx文件到google drive，但当我试图上传。doc文件时，出现了这个错误：

出现错误：调用POST https://www.googleapis.com/upload/drive/v2/files时出错？uploadtype=multipart&key=aizasycm1wqpp05lbrjkspxdthjs8lz6wleowlu:(400)提供的mime类型无效

当我上传。ppt.xls文件时，这个错误也出现了。文档说我们可以在Google Drive中存储任何MIME类型。这里怎么了？有人知道吗？

function insertFile($title, $description, $parentId, $mimeType, $filename) {

$file = new DriveFile();
$file->setTitle($title);
$file->setDescription($description);
$file->setMimeType($mimeType);

if ($parentId != null) {
  $parent = new ParentReference();
  $parent->setId($parentId);
  $file->setParents(array($parent));
}

try {
  $data = file_get_contents($filename);

  $createdFile = $this->service->files->insert($file, array(
    'data' => $data,
    'mimeType' => $mimeType,
  ));

  return $createdFile;
} catch (Exception $e) {
  print "An error occurred: " . $e->getMessage();
  }    
}

function upload() {
$title = $this->input->post('title');
        $description = $this->input->post('description');
        $parentId = $this->input->post('parentId');

        if ($_FILES["file"]["error"] > 0) {
            echo "Error: " . $_FILES["file"]["error"] . "<br>";
        } else {
            $driveHandler = new DriveHandler($_SESSION['credentials']);
            $driveHandler->BuildService($_SESSION['credentials']);
            $ext = substr(strrchr($_FILES["file"]["name"],'.'),1);        
            if($title === ""){
                $fileTitle = $_FILES["file"]["name"];                
            } else {
                $fileTitle = "$title.$ext";
            }
            $driveHandler->insertFile($fileTitle, $description, $parentId, $_FILES["file"]["type"], $_FILES["file"]["tmp_name"]);              
}

Answer 1

当我尝试对.docx文件使用var_dump($mimetype)时，结果是：

string（71）“application/vnd.openxmlformats-officedocument.wordprocessingml.document”

对于.doc文件：

  $data = file_get_contents($filename);
  $mime = str_replace('"', "", $mimeType);

  $createdFile = $this->service->files->insert($file, array(
    'data' => $data,
    'mimeType' => $mime,
  ));