不甘心flex在控件方面的丰富程度竟然输给js，于是找了好些控件的链接：
http://flexbox.mrinalwadhwa.com/
http://code.google.com/p/jwopitz-lib/
http://code.google.com/p/flexvizgraphlib/
http://code.google.com/p/flex-object-handles/
http://code.google.com/p/flex2treemap/
http://code.google.com/p/reflexutil/
http://code.google.com/p/fxspy/
http://code.google.com/p/flexcommandline/
http://code.google.com/p/ventanas/
http://code.google.com/p/flexedtoolkit/
http://code.google.com/p/as3libs/