Redis设置过期数据监听

这个人很懒啥也懒得描述。

const redis = require('redis')
const client = redis.createClient("6379", "localhost", { detect_buffers: true })
client.auth('123456')

console.log("设置过期数据!");
client.set('order:timeoutData', JSON.stringify({ id: 1, name: 'allen' }), (err, res) => {
    console.log(res);
})
client.expire("order:timeoutData", 20);
console.log("过期数据设置完毕");

console.log("监听");
client.send_command('config', ['set', 'notify-keyspace-events', 'Ex'], SubscribeExpired)

function SubscribeExpired(err, res) {
    if (err) {
        return
    }
    const expired_subKey = '__keyevent@0__:expired'; //订阅key过期事件
    client.subscribe(expired_subKey, function () {
        client.on('message', function (chan, msg) {
            console.log("chan:" + chan);
            console.log("msg:" + msg);
        });
    })
}