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本文操作環(huán)境：windows7系統(tǒng)、php7.1版、DELL G3電腦

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php怎么實(shí)現(xiàn)關(guān)注功能？

php + redis 實(shí)現(xiàn)關(guān)注功能：

應(yīng)用場(chǎng)景

具體實(shí)現(xiàn)

input('type', 'follow');         // 1-關(guān)注-follow 2-取消關(guān)注-remove
        $userId = $request->input('user_id', 0);    // 我的用戶ID
        $otherId = $request->input('other_id', 0);  // 我關(guān)注的用戶ID
        if ($userId == $otherId) {
            return $this->response->apiResponse();
        }
        $this->testFollowService->follow($type, $userId, $otherId);
        return $this->response->apiResponse();
    }

    /**
     * 我的關(guān)注/粉絲
     * @param Request $request
     * @return mixed
     */
    public function myFollowAndFans(Request $request)
    {
        $type = $request->input('type', 'follow');  // 1-關(guān)注-follow 2-粉絲-fans
        $userId = $request->input('user_id', 0);    // 我的用戶ID
        $page = $request->input('page', 1);         // 頁碼
        $limit = $request->input('limit', 10);      // 每頁顯示條數(shù)
        $res = $this->testFollowService->myFollowAndFans($userId, $type, $page, $limit);
        return $this->response->apiResponse($res);
    }
}
?>

testFollowRedis->zAddFollow($userId, $otherId);
            $this->testFollowRedis->zAddFans($otherId, $userId);
        }
        // 取消關(guān)注
        if ($type === 'remove') {
            // 先處理 mysql
            // TODO mysql 操作
            // 然后處理 redis
            $this->testFollowRedis->zRemFollow($userId, $otherId);
            $this->testFollowRedis->zRemFans($otherId, $userId);
        }
    }

    /**
     * 我的關(guān)注/粉絲
     * @param int $userId 當(dāng)前登錄用戶的ID
     * @param string $type 要獲取的數(shù)據(jù)
     * @param int $page 頁碼
     * @param int $limit 限制條數(shù)
     * @return array
     */
    public function myFollowAndFans(int $userId, $type = 'follow', $page = 1, $limit = 10)
    {
        $start = $limit * ($page - 1);
        $end = $start + $limit - 1;
        $res = [];
        if ($type === 'follow') {
            $res = $this->testFollowRedis->zRangeFollow($userId, $start, $end);
        }
        if ($type === 'fans') {
            $res = $this->testFollowRedis->zRangeFans($userId, $start, $end);
        }
        return $res;
    }
}
?>

redis->zAdd(sprintf($this->prefix . $this->followKey, $userId), time(), $otherId);
    }

    /**
     * 取消關(guān)注
     * @param $userId
     * @param $otherId
     */
    public function zRemFollow($userId, $otherId)
    {
        $this->redis->zRem(sprintf($this->prefix . $this->followKey, $userId), $otherId);
    }

    /**
     * 我的關(guān)注 | 正序
     * @param int $userId
     * @param int $start
     * @param int $end
     * @return array
     */
    public function zRangeFollow(int $userId, int $start = 0, int $end = 9)
    {
        return $this->redis->zRange(sprintf($this->prefix . $this->followKey, $userId), $start, $end);
    }

    /**
     * 我的關(guān)注 | 倒序
     * @param int $userId
     * @param int $start
     * @param int $end
     * @return array
     */
    public function zRevRangeFollow(int $userId, int $start = 0, int $end = 9)
    {
        return $this->redis->zRevRange(sprintf($this->prefix . $this->followKey, $userId), $start, $end);
    }

    /**
     * 增加粉絲
     * @param $userId
     * @param $otherId
     */
    public function zAddFans($userId, $otherId)
    {
        $this->redis->zAdd(sprintf($this->prefix . $this->fansKey, $userId), time(), $otherId);
    }

    /**
     * 移除粉絲
     * @param $userId
     * @param $otherId
     */
    public function zRemFans($userId, $otherId)
    {
        $this->redis->zRem(sprintf($this->prefix . $this->fansKey, $userId), $otherId);
    }

    /**
     * 我的粉絲 | 正序
     * @param int $userId
     * @param int $start
     * @param int $end
     * @return array
     */
    public function zRangeFans(int $userId, int $start = 0, int $end = 9)
    {
        return $this->redis->zRange(sprintf($this->prefix . $this->fansKey, $userId), $start, $end);
    }

    /**
     * 我的粉絲 | 倒序
     * @param int $userId
     * @param int $start
     * @param int $end
     * @return array
     */
    public function zRevRangeFans(int $userId, int $start = 0, int $end = 9)
    {
        return $this->redis->zRevRange(sprintf($this->prefix . $this->fansKey, $userId), $start, $end);
    }
}

當(dāng)前名稱：php怎么實(shí)現(xiàn)關(guān)注功能
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