memcached的使用技巧
请问下你们是怎么使用这个缓存系统的，如果每个功能，都是先判断memcache里有没有缓存，如果有直接拿，没有就先写入到memcached吗？
那么代码化就是：
if(!memcache){
写入数据memcached
}else{
直接从memcached拿数据
}
现在的问题是，如果每个功能，每个模块，都先来判断memcached，会不会很麻烦啊，有没有什么好的架构方法吗？
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