参考三个原文：
http://johnvh.com/2009/03/30/ignoring-files-in-flex-builder-navigator/
http://blog.activepoison.com/?p=218
http://blog.csdn.net/clariones/archive/2010/08/18/5821343.aspx
在D:/Program Files/Adobe/Flex Builder 3/plugins/com.adobe.flexbuilder.standalone_3.0.214193/plugin.xml
中编辑，就可以增加过滤文件
然后使用命令行启动已测FLEX BUILDER
“FlexBuilder.exe -clean”
效果如下：
