在做个进度条，想让进度条的增长有个渐变过程。 即如果规定2秒内增长到指定值，那么就会缓慢的在2秒到时正好增长完毕。 以前用javaFx 会用Timeline 类 很容易搞定。

One of the flashiest aspects of JavaFX 2 is its animation support. The insightful Creating Transitions and Timeline Animation in JavaFX covers using both Transitions and Timelines in JavaFX 2. In this ...

Jeff Friesen continues his comprehensive introduction to the JavaFX APIs, based on JavaFX Preview SDK, with a look at how JavaFX handles media, GUI construction, and ...