iOS发送邮件的代码

    - (void)didClickSendEmailButtonAction{

    if ([MFMailComposeViewController canSendMail] == YES) {  

        MFMailComposeViewController *mailVC = [[MFMailComposeViewController alloc] init];  
        //  设置代理(与以往代理不同,不是"delegate",千万不能忘记呀,代理有3步)  
        mailVC.mailComposeDelegate = self;  
        //  收件人  
        NSArray *sendToPerson = @[@"humingtao2014@gmail.com"];  
        [mailVC setToRecipients:sendToPerson];  
        //  抄送  
        NSArray *copyToPerson = @[@"humingtao2013@126.com"];  
        [mailVC setCcRecipients:copyToPerson];  
        //  密送  
        NSArray *secretToPerson = @[@"563821250@qq.com"];  
        [mailVC setBccRecipients:secretToPerson];  
        //  主题  
        [mailVC setSubject:@"hello world"];  
        [self presentViewController:mailVC animated:YES completion:nil];  
        [mailVC setMessageBody:@"魑魅魍魉,哈哈呵呵嘿嘿霍霍" isHTML:NO];  
    }else{  

        NSLog(@"此设备不支持邮件发送");  

    }  

}  

- (void)mailComposeController:(MFMailComposeViewController *)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError *)error{  

    switch (result) {  
        case MFMailComposeResultCancelled:  
            NSLog(@"取消发送");  
            break;  
        case MFMailComposeResultFailed:  
            NSLog(@"发送失败");  
            break;  
        case MFMailComposeResultSaved:  
            NSLog(@"保存草稿文件");  
            break;  
        case MFMailComposeResultSent:  
            NSLog(@"发送成功");  
            break;  
        default:  
            break;  
    }  

    [self dismissViewControllerAnimated:YES completion:nil];  
}  

//  系统发送,模拟器不支持,要用真机测试  
- (void)didClickSendSystemEmailButtonAction{  

    NSURL *url = [NSURL URLWithString:@"humingtao2014@gmail.com"];  
    if ([[UIApplication sharedApplication] canOpenURL:url] == YES) {  

        [[UIApplication sharedApplication] openURL:url];  

    }else{  

        NSLog(@"此设备不支持");  
    }  

}  </pre>