iOS:GMail API-通过电子邮件发送附件
我能够成功地发送没有附件的电子邮件。 然而，当我尝试使用GTLUPLoadParameters上传附件时，我得到了一个501错误 我尝试从照片库中添加附件的NSData，以及发送图像的URL 在这两种情况下，我都犯了同样的错误iOS:GMail API-通过电子邮件发送附件,ios,objective-c,iphone,gmail-api,Ios,Objective C,Iphone,Gmail Api,我能够成功地发送没有附件的电子邮件。 然而，当我尝试使用GTLUPLoadParameters上传附件时，我得到了一个501错误 我尝试从照片库中添加附件的NSData，以及发送图像的URL 在这两种情况下，我都犯了同样的错误 // Create the message GTLGmailMessage *message = [[GTLGmailMessage alloc]init]; message.raw = [self getFormattedRawMessageForMail:mail];
// Create the message
GTLGmailMessage *message = [[GTLGmailMessage alloc]init];
message.raw = [self getFormattedRawMessageForMail:mail];
if(!self.gmailService) {
self.gmailService = [Utilities initializeGmailService];
}
// Get the data of the image present in the photo library
GTLUploadParameters *image = [GTLUploadParameters uploadParametersWithData:[Singleton sharedInstance].dataImage MIMEType:@"image/jpeg"];
GTLQueryGmail *query = [GTLQueryGmail queryForUsersMessagesSendWithUploadParameters:image];
query.userId = [ORBSingleton sharedInstance].userProfile.email;
query.message = message;
[self.gmailService executeQuery:query completionHandler:^(GTLServiceTicket *ticket, GTLGmailMessage *mail, NSError *error) {
if(!error){
handler(YES, error);
}
else{
handler(NO, error);
}
}];
我错过什么了吗？任何帮助都将不胜感激。当添加允许以最大35 mb大小发送邮件的附件时，我没有使用GTLGmailMessage 下面的解决方案中使用了rfc822而不是base64编码（您当前的解决方案）
// Create the param
GTLUploadParameters *uploadParam = [[GTLUploadParameters alloc] init];
uploadParam.MIMEType = @"message/rfc822";
uploadParam.data = [self getFormattedRawMessageForMail:mail filenames:arrFilenames];
// Create the query
GTLQueryGmail *query = [GTLQueryGmail queryForUsersMessagesSendWithUploadParameters:uploadParam];
query.userId = @"me";
// Execute query
[self.gmailService executeQuery:query completionHandler:^(GTLServiceTicket *ticket, GTLGmailMessage *mail, NSError *error) {
}];
- (NSData *)getFormattedRawMessageForMail:(ORBEmail *)mail filenames:(NSMutableArray *)arrFilenames{
// Date string
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc]init];
dateFormatter.dateFormat = @"EEE, dd MMM yyyy HH:mm:ss Z";
NSString *strDate = [dateFormatter stringFromDate:[NSDate date]];
NSString *finalDate = [NSString stringWithFormat:@"Date: %@\r\n", strDate];
// From string
NSString *from = @"From: <sampleFrom@gmail.com>\r\n”;
// To string
NSString *to = @“To: <sampleTo@gmail.com>\r\n”,
// CC string
NSString *cc = @“”;
if(mail.cc.length > 0) {
cc = [self getFormattedStringForFieldName:SEND_MAIL_CC ForAllReceivers:mail.cc];
}
// BCC string
NSString *bcc = @“”;
if(mail.bcc.length > 0) {
bcc = [self getFormattedStringForFieldName:SEND_MAIL_BCC ForAllReceivers:mail.bcc];
}
// Subject string
NSString *subject = @"Subject: Sample Subject\r\n\r\n”;
// Body string
NSString *body = @“Sample body\r\n”;
// Final string to be returned
NSString *rawMessage = @“”;
// Depending on whether the email has attachments, the email can either be sent as "text/plain" or "multipart/mixed"
if (arrFilenames.count > 0) {
// Send as "multipart/mixed"
NSString *contentTypeMain = @"Content-Type: multipart/mixed; boundary=\"project\"\r\n";
// Reusable Boundary string
NSString *boundary = @"\r\n--project\r\n";
// Body string
NSString *contentTypePlain = @"Content-Type: text/plain; charset=\"UTF-8\"\r\n";
// Combine strings from "finalDate" to "body"
rawMessage = [[[[[[[[[contentTypeMain stringByAppendingString:finalDate] stringByAppendingString:from]stringByAppendingString:to]stringByAppendingString:cc]stringByAppendingString:bcc]stringByAppendingString:subject]stringByAppendingString:boundary]stringByAppendingString:contentTypePlain]stringByAppendingString:body];
// Attachments strings
for (NSString *filename in arrFilenames) {
// Image Content Type string
NSString *contentTypePNG = boundary;
contentTypePNG = [contentTypePNG stringByAppendingString:[NSString stringWithFormat:@"Content-Type: image/png; name=\"%@\"\r\n",filename]];
contentTypePNG = [contentTypePNG stringByAppendingString:@"Content-Transfer-Encoding: base64\r\n"];
// PNG image data
NSData *pngData = UIImagePNGRepresentation([Utilities getImageFromFolder:FOLDER_UPLOADS filename:filename]);
NSString *pngString = [NSString stringWithFormat:@"%@\r\n",GTLEncodeBase64(pngData)];
contentTypePNG = [contentTypePNG stringByAppendingString:pngString];
// Add to raw message
rawMessage = [rawMessage stringByAppendingString:contentTypePNG];
}
// End string
rawMessage = [rawMessage stringByAppendingString:@"\r\n--project--"];
}else{
// Send as "text/plain"
rawMessage = [[[[[[finalDate stringByAppendingString:from]stringByAppendingString:to]stringByAppendingString:cc]stringByAppendingString:bcc]stringByAppendingString:subject]stringByAppendingString:body];
}
return [rawMessage dataUsingEncoding:NSUTF8StringEncoding];
}
-（NSData*）getFormattedRawMessageForMail:（ORBEmail*）邮件文件名：（NSMutableArray*）arrFilenames{
//日期字符串
NSDateFormatter*dateFormatter=[[NSDateFormatter alloc]init]；
dateFormatter.dateFormat=@“EEE，dd MMM yyyy HH:mm:ss Z”；
NSString*strDate=[dateFormatter stringFromDate:[NSDate date]]；
NSString*finalDate=[NSString stringWithFormat:@“日期：%@\r\n”，标准日期]；
//从字符串
NSString*from=@“from:\r\n”；
//串
NSString*to=@“收件人：\r\n”，
//CC字符串
NSString*cc=@；
如果（mail.cc.length>0）{
cc=[self-getFormattedStringForFieldName:SEND_MAIL_cc for all receivers:MAIL.cc]；
}
//密件抄送字符串
NSString*bcc=@；
如果（mail.bcc.length>0）{
密件抄送=[self-getFormattedStringForFieldName:SEND_MAIL_bcc for AllReceivers:MAIL.bcc]；
}
//主题字符串
NSString*subject=@“subject:Sample subject\r\n\r\n”；
//身体线
NSString*body=@“示例正文\r\n”；
//要返回的最终字符串
NSString*rawMessage=@；
//根据电子邮件是否有附件，电子邮件可以“文本/普通”或“多部分/混合”发送
如果（arrFilenames.count>0）{
//作为“多部分/混合”发送
NSString*contentTypeMain=@“内容类型：多部分/混合；边界=\”项目\“\r\n”；
//可重用边界字符串
NSString*boundary=@“\r\n--项目\r\n”；
//身体线
NSString*contentTypePlain=@“内容类型：text/plain；字符集=\“UTF-8\”\r\n”；
//将字符串从“finalDate”组合到“body”
rawMessage=[contentTypeMain stringByAppendingString:finalDate]stringByAppendingString:from]stringByAppendingString:to]stringByAppendingString:cc]stringByAppendingString:bcc]stringByAppendingString:subject]stringByAppendingString:boundary]stringByAppendingString:contentTypePlain]stringByAppendingString:body]；
//附件字符串
for（文件名中的NSString*文件名）{
//图像内容类型字符串
NSString*contentTypePNG=边界；
contentTypePNG=[contentTypePNG stringByAppendingString:[NSString stringWithFormat:@“内容类型：图像/png；名称=\”%@\“\r\n”，文件名]]；
contentTypePNG=[contentTypePNG stringByAppendingString:@“内容传输编码：base64\r\n”]；
//PNG图像数据
NSData*pngData=UIImagePNGRepresentation（[Utilities getImageFromFolder:FOLDER_UPLOADS filename:filename]）；
NSString*pngString=[NSString stringWithFormat:@“%@\r\n”，GTLEncodeBase64（pngData）]；
contentTypePNG=[contentTypePNG stringByAppendingString:pngString]；
//添加到原始消息
rawMessage=[rawMessage stringByAppendingString:contentTypePNG]；
}
//尾串
rawMessage=[rawMessage stringByAppendingString:@“\r\n--project--”；
}否则{
//以“文本/纯文本”形式发送
rawMessage=[finalDate stringByAppendingString:from]stringByAppendingString:to]stringByAppendingString:cc]stringByAppendingString:bcc]stringByAppendingString:subject]stringByAppendingString:body]；
}
返回[rawMessage dataUsingEncoding:NSUTF8StringEncoding]；
}
Content-Type: multipart/mixed; boundary=“project”
Date: Fri, 08 Jul 2016 14:25:32 +0800
From: <sampleFrom@gmail.com>
To: <sampleTo@gmail.com>
Subject: Sample Subject
--project
Content-Type: text/plain; charset="UTF-8"
Sample body
--project
Content-Type: image/png; name=“SampleImage1.jpg"
Content-Transfer-Encoding: base64
<Image data>
--project
Content-Type: image/png; name=“SampleImage2.jpg"
Content-Transfer-Encoding: base64
<Image data>
--project--
内容类型：多部分/混合；boundary=“项目”
日期：2016年7月8日星期五14:25:32+0800
发件人：
致：
主题：样本主题
--计划
内容类型：文本/纯文本；charset=“UTF-8”
样本体
--计划
内容类型：图片/png；name=“SampleImage1.jpg”
内容传输编码：base64
--计划
内容类型：image/png；name=“SampleImage2.jpg”
内容传输编码：base64
--计划--