C# File.ToJSON方法代码示例

	/// <summary>
	/// Upload a file.
	/// </summary>
	/// <param name="file">File metadata.</param>
	/// <param name="data">Data.</param>
	/// <returns>AsyncSuccess with File or Exception for error.</returns>
	/// <example>
	/// Upload a file to the root folder.
	/// <code>
	/// var bytes = Encoding.UTF8.GetBytes("world!");
	/// 
	/// var file = new GoogleDrive.File(new Dictionary<string, object>
	///	{
	///		{ "title", "hello.txt" },
	///		{ "mimeType", "text/plain" },
	///	});
	///	
	/// StartCoroutine(drive.UploadFile(file, bytes));
	/// </code>
	/// Update the file content.
	/// <code>
	/// var listFiles = drive.ListFilesByQueary("title = 'a.txt'");
	/// yield return StartCoroutine(listFiles);
	/// 
	/// var files = GoogleDrive.GetResult<List<GoogleDrive.File>>(listFiles);
	/// if (files != null && files.Count > 0)
	/// {
	///		var bytes = Encoding.UTF8.GetBytes("new content.");
	///		StartCoroutine(drive.UploadFile(files[0], bytes));
	/// }
	/// </code>
	/// </example>
	public IEnumerator UploadFile(File file, byte[] data)
	{
		#region Check the access token is expired
		var check = CheckExpiration();
		while (check.MoveNext())
			yield return null;

		if (check.Current is Exception)
		{
			yield return check.Current;
			yield break;
		}
		#endregion

		string uploadUrl = null;

		// Start a resumable session.
		if (file.ID == null || file.ID == string.Empty)
		{
			var request = new UnityWebRequest(
				"https://www.googleapis.com/upload/drive/v2/files?uploadType=resumable");
			request.method = "POST";
			request.headers["Authorization"] = "Bearer " + AccessToken;
			request.headers["Content-Type"] = "application/json";
			request.headers["X-Upload-Content-Type"] = file.MimeType;
			request.headers["X-Upload-Content-Length"] = data.Length;

			string metadata = JsonWriter.Serialize(file.ToJSON());
			request.body = Encoding.UTF8.GetBytes(metadata);

			var response = new UnityWebResponse(request);
			while (!response.isDone)
				yield return null;

			if (response.statusCode != 200)
			{
				JsonReader reader = new JsonReader(response.text);
				var json = reader.Deserialize<Dictionary<string, object>>();

				if (json == null)
				{
					yield return new Exception(-1, "UploadFile response parsing failed.");
					yield break;
				}
				else if (json.ContainsKey("error"))
				{
					yield return GetError(json);
					yield break;
				}
			}

			// Save the resumable session URI.
			uploadUrl = response.headers["Location"] as string;
		}
		else
		{
			uploadUrl = "https://www.googleapis.com/upload/drive/v2/files/" + file.ID;
		}

		// Upload the file.
		{
			var request = new UnityWebRequest(uploadUrl);
			request.method = "PUT";
			request.headers["Authorization"] = "Bearer " + AccessToken;
			request.headers["Content-Type"] = "application/octet-stream"; // file.MimeType;
			request.body = data;

			var response = new UnityWebResponse(request);
//.........这里部分代码省略.........

	/// <summary>
	/// Duplicate a file in a specified folder.
	/// </summary>
	/// <param name="file">File to duplicate.</param>
	/// <param name="newTitle">New filename.</param>
	/// <param name="newParentFolder">
	///	New parent folder. If it is null then the new file will place in root folder.
	/// </param>
	/// <returns>AsyncSuccess with File or Exception for error.</returns>
	/// <example>
	/// Copy a file to the root folder.
	/// <code>
	/// StartCoroutine(drive.DuplicateFile(someFile, someFile.Title, null));
	/// </code>
	/// </example>
	public IEnumerator DuplicateFile(File file, string newTitle, File newParentFolder)
	{
		File newFile = new File(file.ToJSON());
		newFile.Title = newTitle;

		// Set the new parent id.
		if (newParentFolder != null)
			newFile.Parents = new List<string> { newParentFolder.ID };
		else
			newFile.Parents = new List<string> { };

		var duplicate = DuplicateFile(file, newFile);
		while (duplicate.MoveNext())
			yield return duplicate.Current;
	}