Chapter 2: Getting Started Hello World Hello World Enhanced A simple "Hello World" application that shows the basics of how to use an Actionscr ipt 3.0 class in an application. The Enhanced version adds a name-checking feature. These exam

把swf转换成自定义长度的位图序列，可通过在flex中位图播放的方式，播放动画，-Convert swf to customize the length of the bitmap sequence, can be played in the flex in the way the bitmap, animation,