小编use*_*181的帖子

我对这段代码感到很疯狂,它应该可以工作,但是当我收到邮件时没有附加文件,这是我的代码:

-(IBAction)mandar:(id)sender
{   
    MFMailComposeViewController *composer=[[MFMailComposeViewController alloc]init];
    [composer setMailComposeDelegate:self];
    if ([MFMailComposeViewController canSendMail]) 
    {
        [composer setToRecipients:[NSArray arrayWithObjects:@"tuperroensalsa@hotmail.com",nil]];
        [composer setSubject:@"Base de datos"];
        [composer setMessageBody:@"Mensage" isHTML:NO];
        [composer setModalTransitionStyle:UIModalTransitionStyleCrossDissolve];
            NSArray *searchPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
        NSString *documentPath = [searchPaths objectAtIndex:0];
        NSString *path = [[NSString alloc] initWithFormat:@"%@/capturas.sqlite",documentPath];

        NSString *Newpath = [[NSString alloc] initWithFormat:@"%@/newData.sqlite",documentPath];
        [[NSFileManager defaultManager] copyItemAtPath:path toPath:Newpath error:nil];
        NSData *data = [NSData dataWithContentsOfFile:Newpath];
        [composer addAttachmentData:data mimeType:@"application/x-sqlite3" fileName:@"capturas.sqlite"];

        [self presentModalViewController:composer animated:YES];
    }
    else {
        UIAlertView *alert=[[UIAlertView alloc] initWithTitle:@"Error" message:@"No se a podido mandar el mensage" delegate:self cancelButtonTitle:@"dismis" …