redis过期回调处理订单超时

目录

1、redis.config配置--重启redis

2、四个文件

3.执行监听文件

index.php

psubscribe.php

Redis2.class.php

db.class.php

1、redis.config配置--重启redis

notify-keyspace-events  “Ex”。

#x 代表了过期事件。

2、四个文件

index.php  创建订单，发布消息，10s后查询订单状态并更新订单

psubscribe.php 超时回调函数

Redis2.class.php redis类封装

db.class.php mysql封装

3.执行监听文件

cd /var/www/html/redis

  退出监听 ctrl+c   暂停监听: ctrl+z   

  即时监听：php psubscribe.php

  后台监听: php psubscribe.php &

index.php

require_once 'Redis2.class.php';
require_once 'db.class.php';

$redis2     = new \Redis2();
$mysql      = new \mysql();
$mysql->connect();

$order_sn='SN'.time().'T'.rand(10000000,99999999);
$data = ['ordersn'=>$order_sn,'status'=>0,'createtime'=>date('Y-m-d H:i:s',time())];
$mysql->insert('order',$data);


$redis2->setex('order_sn',10,$order_sn);

psubscribe.php

setOption();
$redis->psubscribe(array('__keyevent@0__:expired'), 'keyCallback');
// 回调函数,这里写处理逻辑
function keyCallback($redis, $pattern, $chan, $msg)
{
    //修改订单状态
    $order=model('order')->where(['order_no'=>$msg])->find();
    $order->status=-1;
    $order->save();
    //库存还原
    $products=json_decode($order->snap_items,true);
    foreach($products as $v){
        model('product')->where(['id'=>$v['id']])->setInc('stock',$v['count']);
    }
}

Redis2.class.php

class Redis2
{
    private $redis;

    public function __construct($host = '127.0.0.1', $port = 6379)
    {
        $this->redis = new Redis();
        $this->redis->connect($host, $port);
        $this->redis->auth('123456');
    }

    public function setex($key, $time, $val)
    {
        return $this->redis->setex($key, $time, $val);
    }

    public function set($key, $val)
    {
        return $this->redis->set($key, $val);
    }

    public function get($key)
    {
        return $this->redis->get($key);
    }

    public function expire($key = null, $time = 0)
    {
        return $this->redis->expire($key, $time);
    }

    public function psubscribe($patterns = array(), $callback)
    {
        $this->redis->psubscribe($patterns, $callback);
    }

    public function setOption()
    {
        $this->redis->setOption(\Redis::OPT_READ_TIMEOUT, -1);
    }

    public function lRange($key,$start,$end)
    {
        return $this->redis->lRange($key,$start,$end);
    }

    public function lPush($key, $value1, $value2 = null, $valueN = null ){
        return $this->redis->lPush($key, $value1, $value2 = null, $valueN = null );
    }

    public function delete($key1, $key2 = null, $key3 = null)
    {
        return $this->redis->delete($key1, $key2 = null, $key3 = null);
    }

}

db.class.php

class mysql
{
    private $mysqli;
    private $result;
    /**
     * 数据库连接
     * @param $config 配置数组
     */

    public function connect()
    {
        $config=array(
            'host'=>'127.0.0.1',
            'username'=>'root',
            'password'=>'123456qwerty',
            'database'=>'marhal',
            'port'=>3306,
            );

        $host = $config['host'];    //主机地址
        $username = $config['username'];//用户名
        $password = $config['password'];//密码
        $database = $config['database'];//数据库
        $port = $config['port'];    //端口号
        $this->mysqli = new mysqli($host, $username, $password, $database, $port);

    }
    /**
     * 数据查询
     * @param $table 数据表
     * @param null $field 字段
     * @param null $where 条件
     * @return mixed 查询结果数目
     */
    public function select($table, $field = null, $where = null)
    {
        $sql = "SELECT * FROM `{$table}`";
        //echo $sql;exit;
        if (!empty($field)) {
            $field = '`' . implode('`,`', $field) . '`';
            $sql = str_replace('*', $field, $sql);
        }
        if (!empty($where)) {
            $sql = $sql . ' WHERE ' . $where;
        }


        $this->result = $this->mysqli->query($sql);

        return $this->result;
    }
    /**
     * @return mixed 获取全部结果
     */
    public function fetchAll()
    {
        return $this->result->fetch_all(MYSQLI_ASSOC);
    }
    /**
     * 插入数据
     * @param $table 数据表
     * @param $data 数据数组
     * @return mixed 插入ID
     */
    public function insert($table, $data)
    {
        foreach ($data as $key => $value) {
            $data[$key] = $this->mysqli->real_escape_string($value);
        }
        $keys = '`' . implode('`,`', array_keys($data)) . '`';
        $values = '\'' . implode("','", array_values($data)) . '\'';
        $sql = "INSERT INTO `{$table}`( {$keys} )VALUES( {$values} )";
        $this->mysqli->query($sql);
        return $this->mysqli->insert_id;
    }
    /**
     * 更新数据
     * @param $table 数据表
     * @param $data 数据数组
     * @param $where 过滤条件
     * @return mixed 受影响记录
     */
    public function update($table, $data, $where)
    {
        foreach ($data as $key => $value) {
            $data[$key] = $this->mysqli->real_escape_string($value);
        }
        $sets = array();
        foreach ($data as $key => $value) {
            $kstr = '`' . $key . '`';
            $vstr = '\'' . $value . '\'';
            array_push($sets, $kstr . '=' . $vstr);
        }
        $kav = implode(',', $sets);
        $sql = "UPDATE `{$table}` SET {$kav} WHERE {$where}";

        $this->mysqli->query($sql);
        return $this->mysqli->affected_rows;
    }
    /**
     * 删除数据
     * @param $table 数据表
     * @param $where 过滤条件
     * @return mixed 受影响记录
     */
    public function delete($table, $where)
    {
        $sql = "DELETE FROM `{$table}` WHERE {$where}";
        $this->mysqli->query($sql);
        return $this->mysqli->affected_rows;
    }
}