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 ...

In the final two articles in this series, we’ll jump into JavaFX 1.0, where you’ll put to work what you’ve learned about JavaFX conceptual basics, the JavaFX Script language, and the JavaFX APIs, ...