Code implemented by combining thinkphp with redis and queue

<?php

/* 数据库配置 */

return array(

 'DATA_CACHE_PREFIX' => 'Redis_',//缓存前缀

 'DATA_CACHE_TYPE'=>'Redis',//默认动态缓存为Redis

 'DATA_CACHE_TIMEOUT' => false,

 'REDIS_RW_SEPARATE' => true, //Redis读写分离 true 开启

 'REDIS_HOST'=>'127.0.0.1', //redis服务器ip，多台用逗号隔开；读写分离开启时，第一台负责写，其它[随机]负责读；

 'REDIS_PORT'=>'6379',//端口号

 'REDIS_TIMEOUT'=>'300',//超时时间

 'REDIS_PERSISTENT'=>false,//是否长连接 false=短连接

 'REDIS_AUTH'=>'',//AUTH认证密码

);

?>

/**

  * redis连接

  * @access private

  * @return resource

  * @author bieanju

  */

 private function connectRedis(){

  $redis=new \Redis();

  $redis->connect(C("REDIS_HOST"),C("REDIS_PORT")); 

  return $redis;

 }

//现在初始化里面定义后边要使用的redis参数

public function _initialize(){

  parent::_initialize();

  $goods_id = I("goods_id",'0','intval'); 

  if($goods_id){

   $this->goods_id = $goods_id;

   $this->user_queue_key = "goods_".$goods_id."_user";//当前商品队列的用户情况

   $this->goods_number_key = "goods".$goods_id;//当前商品的库存队列

  }

  $this->user_id = $this->user_id ? $this->user_id : $_SESSION['uid']; 

 }

/**

* 访问产品前先将当前产品库存队列

* @access public

* @author bieanju

*/

public function _before_detail(){

 $where['goods_id'] = $this->goods_id;

 $where['start_time'] = array("lt",time());

 $where['end_time'] = array("gt",time());

 $goods = M("goods")->where($where)->field('goods_num,start_time,end_time')->find();

 !$goods && $this->error("当前秒杀已结束！");

 if($goods['goods_num'] > $goods['order_num']){

  $redis = $this->connectRedis();

  $getUserRedis = $redis->hGetAll("{$this->user_queue_key}");

  $gnRedis = $redis->llen("{$this->goods_number_key}");

  /* 如果没有会员进来队列库存 */

  if(!count($getUserRedis) && !$gnRedis){  

   for ($i = 0; $i < $goods[&#39;goods_num&#39;]; $i ++) {

    $redis->lpush("{$this->goods_number_key}", 1);

   }

  }

  $resetRedis = $redis->llen("{$this->goods_number_key}");

  if(!$resetRedis){

   $this->error("系统繁忙，请稍后抢购！");

  }

 }else{

  $this->error("当前产品已经秒杀完！");

 }

}

/**

  * 抢购商品前处理当前会员是否进入队列

  * @access public

  * @author bieanju

  */

 public function goods_number_queue(){

  !$this->user_id && $this->ajaxReturn(array("status" => "-1","msg" => "请先登录"));

  $model = M("flash_sale");

  $where['goods_id'] = $this->goods_id;

  $goods_info = $model->where($where)->find();

  !$goods_info && $this->error("对不起当前商品不存在或已下架！");

  /* redis 队列 */

  $redis = $this->connectRedis();

  /* 进入队列 */

  $goods_number_key = $redis->llen("{$this->goods_number_key}");

  if (!$redis->hGet("{$this->user_queue_key}", $this->user_id)) {

   $goods_number_key = $redis->lpop("{$this->goods_number_key}");

  }

  if($goods_number_key){

   // 判断用户是否已在队列

   if (!$redis->hGet("{$this->user_queue_key}", $this->user_id)) {

    // 插入抢购用户信息

    $userinfo = array(

     "user_id" => $this->user_id,

     "create_time" => time()

    );   

    $redis->hSet("{$this->user_queue_key}", $this->user_id, serialize($userinfo));

    $this->ajaxReturn(array("status" => "1"));

   }else{

    $modelCart = M("cart");

    $condition['user_id'] = $this->user_id;

    $condition['goods_id'] = $this->goods_id;

    $condition['prom_type'] = 1;

  $cartlist = $modelCart->where($condition)->count();

    if($cartlist > 0){

     $this->ajaxReturn(array("status" => "2"));

    }else{

     $this->ajaxReturn(array("status" => "1"));

    }

   }

  }else{

   $this->ajaxReturn(array("status" => "-1","msg" => "系统繁忙,请重试！"));

  }

 }

public function clearRedis(){

  set_time_limit(0);

  $redis = $this->connectRedis();

  //$Rd = $redis->del("{$this->user_queue_key}");

  $Rd = $redis->hDel("goods49",'用户id'');

  $a = $redis->hGet("goods_49_user", '用户id');

  if(!$a){

   dump($a);

  }

  if($Rd == 0){

   exit("Redis队列已释放！");  

  }

 }