//默认菊花加文本，加背景模糊
hud.mode = MBProgressHUDModeIndeterminate;
hud.label.text=@"加载中...";
hud.backgroundView.style = MBProgressHUDBackgroundStyleSolidColor;
hud.contentColor = [UIColor whiteColor];//文字和菊花的颜色
hud.backgroundView.color = [UIColor blackColor];
hud.backgroundView.alpha = 0.5f;
hud.bezelView.backgroundColor = [UIColor blackColor];//菊花背景颜色

//纯文本
hud.label.text = @"操作成功";
hud.mode = MBProgressHUDModeText;
hud.contentColor = [UIColor whiteColor];//文字的颜色
hud.bezelView.backgroundColor = [UIColor blackColor];//背景颜色

//自定义图标加文本
hud.label.text=@"删除成功";
hud.mode=MBProgressHUDModeCustomView;
hud.contentColor = [UIColor whiteColor];//文字的颜色
hud.bezelView.backgroundColor = [UIColor blackColor];//背景颜色
hud.customView=[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"succes_pic_yes"]];