UIAlertAction 设置图片以及title大小和颜色

//设置图片
UIImage *accessoryImage = [UIImage imageNamed:@"c2cindex_icon_bank"];
accessoryImage = [accessoryImage imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
action1 setValue:accessoryImage forKey:@"image"];

//设置颜色值
[action1 setValue:颜色值 forKey:@"titleTextColor"];

//Custom Title,使用富文本来改变title的字体大小

NSMutableAttributedString *hogan = [[NSMutableAttributedString alloc] initWithString:@"Presenting the Hulk Hogan!"];

[hogan addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:20] range:NSMakeRange(13, 11)];

[alertController setValue:hogan forKey:@"attributedTitle"];

NSMutableAttributedString *hogan1 = [[NSMutableAttributedString alloc] initWithString:@"hjasdghjdfsgkfdghfdgsgdsfgdsfg"];

[hogan1 addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:20] range:NSMakeRange(13, 11)];

[alertController setValue:hogan1 forKey:@"attributedMessage"];