如何快速的及时保存微信用户发送的图片到本地
在微信开发中，要做一个图形匹配的功能，根据用户发送的图片，回复相似图片的信息。现在要获取到用户发送的图片，怎样才可以及时的把图片保存到本地，并且不影响到及时回复用户信息。现在主要的问题是保存图片要花费30s左右的时间，远远超过了微信5s时间内发回复时间
回复内容：
在微信开发中，要做一个图形匹配的功能，根据用户发送的图片，回复相似图片的信息。现在要获取到用户发送的图片，怎样才可以及时的把图片保存到本地，并且不影响到及时回复用户信息。现在主要的问题是保存图片要花费30s左右的时间，远远超过了微信5s时间内发回复时间
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