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获得图片的二进制，如何进行图片缩略

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Release： 2016-06-13 12:35:03
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获得图片的二进制，怎么进行图片缩略？
我用的是mongodb数据库，以二进制的形式存储图片，问题是获取到二进制，怎么对它进行缩略操作呢？

mongodb 数据库 图片 二进制 存储
Related labels：
get mongodb nbsp
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