我在项目中包含了https://github.com/cbpowell/MarqueeLabel链接中的文件
MarqueeLabel *continuousLabel2 = [[MarqueeLabel alloc] initWithFrame:CGRectMake(10, 440, self.view.frame.size.width-20, 20) rate:10 andFadeLength:10.0f];
continuousLabel2.tag = 101;
continuousLabel2.marqueeType = MLContinuous;
continuousLabel2.animationCurve = UIViewAnimationOptionCurveLinear;
continuousLabel2.continuousMarqueeExtraBuffer = 50.0f;
continuousLabel2.numberOfLines = 1;
continuousLabel2.opaque = YES;
continuousLabel2.enabled = YES;
continuousLabel2.textAlignment = NSTextAlignmentLeft;
continuousLabel2.textColor = [UIColor colorWithRed:0.234 green:0.234 blue:0.234 alpha:1.000];
continuousLabel2.backgroundColor = [UIColor clearColor];
continuousLabel2.font = [UIFont fontWithName:@"Helvetica-Bold" size:14.000];
continuousLabel2.text = @"This is another long label that scrolls continuously with a custom space between labels! You can also tap it to pause and unpause it!" …