src/Cache/Request/Memcache.php
function set($value)
    {
        $this->driver->set($this->cacheKey, $value, $this->flag, $this->expireTime);
    }
function set($value)
    {
        $this->driver->set($this->cacheKey, $value, $this->flag, $this->expireTime);
    }
设置request缓存

@param string $value