laravel+redis实现的抢购(待优化)

最新推荐文章于 2024-04-15 22:30:18 发布

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最新推荐文章于 2024-04-15 22:30:18 发布 · 1.2k 阅读

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#redis的使用

本文介绍了如何利用Laravel框架与Redis缓存技术，实现高效稳定的抢购系统，探讨了关键步骤和可能的优化策略。

<?php
namespace App\Http\Controllers;

use Illuminate\Support\Facades\Log;
use Mockery\Exception;
use \Redis;
use App\Jobs\SeckillGoods;


class SeckillController extends Controller
{

    protected $uid;  // 用户id
    protected $goodsId = 10086;   // 秒抢商品
    protected $goodsNum = 100;     // 数量限制
    protected $redis;             // redis实例
    protected $lockPrefix = 'lock:';
    protected $lockExpireTime = 10;
    protected $goodsCacheKeyTag = [
        'goodsNumCacheKey' => 'goods_num',
        'isSetGoods' => 'is_set_goods_status',
        'hadGetGoodsMembers' => 'had_get_goods_members',
        'limitUserNumKey' => 'limit_user_num'
    ];

    public function __construct()
    {
        $redis = new Redis;
        $redis->connect('127.0.0.1');
        $redis->select(5);
        $this->redis = $redis;
        $this->uid = intval( request('uid'));
    }
    
    /**
     * 加锁, 并发下的原子性操作
     */
    public function limitAccessFrequency()
    {