banner maker展现端flash性能优化
DESCRIPTION
Banner maker展现端flash性能优化TRANSCRIPT
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BannerMaker 展现端 Flash 性能优化
沈华 ( 逢春 )@ 淘宝2011.07.09
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什么是 BannerMaker?
http://banner.alimama.com
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2.0 版本展现上的问题
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1. 文件大
2. 请求多
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3.0 版本展现上的优势
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1. 本地存储
2. 打包
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1. ByteArray + SharedObject 本地存储数据
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a). URLLoader.dataFormat = URLLoaderDataFormat.BINARY
b). Loader.loadBytes(byteArray)
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2. ByteArray + Base64 打包数据
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a). Base64.Encode(byteArray) -> 64 String
b). Base64.Decode(string) -> ByteArray
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