func SessionFilter(c *revel.Controller, fc []revel.Filter) { sessionId := c.Session.Id() // 从memcache中得到cache, 赋给session cache := revel.Session(memcache.Get(sessionId)) if cache == nil { cache = revel.Session{} cache.Id() } c.Session = cache fc[0](c, fc[1:]) // 再把session保存之 memcache.Set(sessionId, c.Session, -1) // 只留下sessionId c.Session = revel.Session{revel.SESSION_ID_KEY: sessionId} }