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怎么确认图片是否完全下载成功？ #6

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socol1 opened this issue Aug 31, 2016 · 0 comments

socol1 commented Aug 31, 2016

我这边是用lua生成的缩略图，原图需要从fastdfs下载下来处理，但是，实际使用中有时候会出现下载到一半的图片被生成了缩略图，我想确认下有没有办法确认图片被完全下载？我好检查这个值，再生成缩略图，如果有的话？请教我下谢谢

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