Microsoft graph api 使用Graph API发送包含多个附件的电子邮件（>；4 MB）
我正在使用Microsoft Graph API 1.4版，并尝试使用以下代码发送包含多个附件（大小大于4MB）的邮件Microsoft graph api 使用Graph API发送包含多个附件的电子邮件（>；4 MB）,microsoft-graph-api,microsoft-graph-mail,Microsoft Graph Api,Microsoft Graph Mail,我正在使用Microsoft Graph API 1.4版，并尝试使用以下代码发送包含多个附件（大小大于4MB）的邮件 val address = EmailAddress() address.address = "vivek@domain.com" val recipient = Recipient() recipient.emailAddress = address val message = MyMessage() message.subject = "Te
val address = EmailAddress()
address.address = "vivek@domain.com"
val recipient = Recipient()
recipient.emailAddress = address
val message = MyMessage()
message.subject = "Test E-Mail"
message.body = getItemBody()
message.toRecipients = Collections.singletonList(recipient)
val att = FileAttachment()
att.contentBytes = File("/home/user/file.pdf").readBytes()
att.contentType = "text/pdf"
att.name = "file.pdf"
att.oDataType = "#microsoft.graph.fileAttachment"
val att2 = FileAttachment()
att2.contentBytes = "hello there! from second file".toByteArray(StandardCharsets.UTF_8)
att2.contentType = "text/plain"
att2.name = "hi2.txt"
att2.oDataType = "#microsoft.graph.fileAttachment"
message.addAttachment(att)
message.addAttachment(att2)
graphClient.me()
.sendMail(message,false)
.buildRequest()
.post();
{
"status": "INTERNAL_SERVER_ERROR",
"exception": "GraphServiceException",
"message": "Error code: BadRequest\nError message: The maximum request length supported is 4MB.\n\nPOST https://graph.microsoft.com/v1.0/me/microsoft.graph.sendMail\nSdkVersion : graph-java-v1.4.0\nAuthorization : Bearer eyJ0eXAiOiJKV1QiLCJub25jZSI[...]\n{\"message\":{\"attachments\":[{\"contentBytes\":\"JVBERi[...]\n\n413 : Request Entity Too Large\n[...]\n\n[Some information was truncated for brevity, enable debug logging for more details]",
"existing": null,
"errorData": null,
"tenant": null
}
谢谢为了在总大小超过4MB时一次添加多个附件，您需要：
String draftSubject = "Draft Test Message " + Double.toString(Math.random()*1000);
User me = graphClient.me().buildRequest().get();
Recipient r = new Recipient();
EmailAddress address = new EmailAddress();
address.address = me.mail;
r.emailAddress = address;
Message message = new Message();
message.subject = draftSubject;
ArrayList<Recipient> recipients = new ArrayList<Recipient>();
recipients.add(r);
message.toRecipients = recipients;
message.isDraft = true;
//Save the message as a draft
Message newMessage = graphClient.me().messages().buildRequest().post(message);
File file = new File("src/test/resources/largefile10M.blob");
AttachmentItem attachmentItem = new AttachmentItem();
attachmentItem.attachmentType = AttachmentType.FILE;
attachmentItem.name = file.getName();
attachmentItem.size = file.length();
attachmentItem.contentType = "application/octet-stream";
InputStream fileStream = OutlookTests.class.getClassLoader().getResourceAsStream("largefile10M.blob");
long streamSize = attachmentItem.size;
UploadSession uploadSession = graphClient.me()
.messages(newMessage.id)
.attachments()
.createUploadSession(attachmentItem)
.buildRequest()
.post();
ChunkedUploadProvider<AttachmentItem> chunkedUploadProvider = new ChunkedUploadProvider<>(uploadSession, testBase.graphClient, fileStream,
streamSize, AttachmentItem.class);
// Do the upload
chunkedUploadProvider.upload(callback);
//Send the drafted message
graphClient.me().mailFolders("Drafts").messages(newMessage.id).send().buildRequest().post();
String draftSubject=“Draft测试消息”+Double.toString（Math.random（）*1000）；
User me=graphClient.me（）.buildRequest（）.get（）；
收件人r=新收件人（）；
EmailAddress=新的EmailAddress（）；
address.address=me.mail；
r、 emailAddress=地址；
消息消息=新消息（）；
message.subject=draftSubject；
ArrayList recipients=新的ArrayList（）；
收件人。添加（r）；
message.toRecipients=收件人；
message.isDraft=true；
//将邮件另存为草稿
Message newMessage=graphClient.me（）.messages（）.buildRequest（）.post（Message）；
File File=新文件（“src/test/resources/largefile10M.blob”）；
AttachmentItem AttachmentItem=新的AttachmentItem（）；
attachmentItem.attachmentType=attachmentType.FILE；
attachmentItem.name=file.getName（）；
attachmentItem.size=file.length（）；
attachmentItem.contentType=“应用程序/八位字节流”；
InputStream fileStream=OutlookTests.class.getClassLoader（）.getResourceAsStream（“largefile10M.blob”）；
long streamSize=attachmentItem.size；
UploadSession UploadSession=graphClient.me（）
.messages（newMessage.id）
.附件（
.createUploadSession（附件项）
.buildRequest（）
.post（）；
ChunkedUploadProvider ChunkedUploadProvider=新的ChunkedUploadProvider（上传会话、testBase.graphClient、fileStream、，
streamSize，AttachmentItem.class）；
//上传
chunkedUploadProvider.upload（回调）；
//发送草拟的信息
graphClient.me（）.mailFolders（“草稿”）.messages（newMessage.id）.send（）.buildRequest（）.post（）；
IProgressCallback<AttachmentItem> callback = new IProgressCallback<AttachmentItem> () {
@Override
public void progress(final long current, final long max) {
//Check progress
}
@Override
public void success(final AttachmentItem result) {
//Handle the successful response
}
@Override
public void failure(final ClientException ex) {
//Handle the failed upload
}
};
IProgressCallback callback=新的IProgressCallback（）{
@凌驾
公共无效进度（最终长电流、最终长最大值）{
//检查进度
}
@凌驾
公共作废成功（最终附件项结果）{
//处理成功的响应
}
@凌驾
公共无效失败（最终客户例外）{
//处理失败的上载
}
};