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获得图片的二进制,如何进行图片缩略

WBOY
WBOYOriginal
2016-06-13 11:38:10752browse

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
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