Tag ID	Read	Write	Tag Name
0	x	x	End
1	x	x	ShowFrame
2	x		DefineShape
4	x		PlaceObject
5	x	x	RemoveObject
6	x	x	DefineBits
7	x		DefineButton
8	x	x	JPEGTables
9	x	x	SetBackgroundColor
10	x		DefineFont
11	x		DefineText
12	x	x	DoAction
13	x		DefineFontInfo
14	x	x	DefineSound
15	x		StartSound
17	x		DefineButtonSound
18	x		SoundStreamHead
19	x	x	SoundStreamBlock
20	x	x	DefineBitsLossless
21	x	x	DefineBitsJPEG2
22	x		DefineShape2
23	x		DefineButtonCxform
24	x	x	Protect
26	x	x	PlaceObject2
28	x	x	RemoveObject2
32	x		DefineShape3
33	x		DefineText2
34	x		DefineButton2
35	x	x	DefineBitsJPEG3
36	x	x	DefineBitsLossless2
37	x		DefineEditText
39	x	x	DefineSprite
41	x		ProductInfo
43	x	x	FrameLabel
45	x		SoundStreamHead2
46	x		DefineMorphShape
48	x		DefineFont2
56	x	x	ExportAssets
57	x	x	ImportAssets
58	x	x	EnableDebugger
59	x	x	DoInitAction
60	x		DefineVideoStream
61	x	x	VideoFrame
62	x		DefineFontInfo2
63	x		DebugID
64	x	x	EnableDebugger2
65	x	x	ScriptLimits
66	x	x	SetTabIndex
69	x	x	FileAttributes
70	x		PlaceObject3
71	x	x	ImportAssets2
73	x		DefineFontAlignZones
74	x	x	CSMTextSettings
75	x		DefineFont3
76	x	x	SymbolClass
77	x	x	Metadata
78	x		DefineScalingGrid
82	x	x	DoABC
83	x		DefineShape4
84	x		DefineMorphShape2
86	x	x	DefineSceneAndFrameLabelData
87	x	x	DefineBinaryData
88	x		DefineFontName
89	x		StartSound2
90	x	x	DefineBitsJPEG4
91	x		DefineFont4

flex中打包的方法：
1. 新建一个 flex library project
2. 弹出的对话框 点 next ,在Classes下，找到Main source folder 点浏览
3. 选择你新建的文件夹 点 new 然后点击 OK
4. 这个时候 Classes 下多了个src 文件夹，打开源文件夹，把你的类包复制进去
5. 回到flex library project ，右键 - 属性 - 点击Flex library build path,在Classes下面看到src文件夹，勾选，点确定
6. bin 目录下面就有了SWC文件啦