NSString *title = [NSString stringWithFormat:@" 恭喜您获得%d个红包 ", 10]; NSString *msg = @" 把红包分享给微信好友,金额随机,可用于购买雪票和雪卡"; UIAlertController * alert = [UIAlertController alertControllerWithTitle:title message:msg preferredStyle:UIAlertControllerStyleActionSheet]; // titile字号处理 NSMutableAttributedString *hogan = [[NSMutableAttributedString alloc] initWithString:title]; [hogan addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:20.0] range:NSMakeRange(0, title.length)]; [alert setValue:hogan forKey:@"attributedTitle"]; // UIAlertAction *sureAction = [UIAlertAction actionWithTitle:@"给好友发红包" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) { [self shareAction]; }]; [alert addAction:sureAction]; alert.view.tintColor = APP_MAIN_COLOR; UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil]; [alert addAction:cancelAction]; [self presentViewController:alert animated:YES completion:nil];