如何缓存多用户access_token
因为做的是第三方的微信公众号平台，然后有用到jssdk的东西，需要用到access_token和jsapi_ticket，但是，出现的问题是，比如现在A公众号调用了jssdk，它会存了一个access_token和jsapi_ticket，放在access_token.php和jsapi_ticket.php里面，然后如果现在B公众号来调用jssdk了，就会出现invalid signature这个错误了，因为B读到的是A刚才缓存的那个access_token和jsapi_ticke。 请问下有什么方法可以解决这种问题？ 就是A和B调用互不影响？
回复讨论(解决方案)
没人提下点嘛？
存入memcache，redis，本地文件，数据库都可以啊。取的时候判断过期时间，过期了就重新取，然后保存，没过期就使用这个。
存入memcache，redis，本地文件，数据库都可以啊。取的时候判断过期时间，过期了就重新取，然后保存，没过期就使用这个。
memcache，redis 这2个是做什么？ 哪种方法比较常用方便？ 我用了存数据库的
带上唯一识别标志
当然程序肯定是要修改的了
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