Пример #1
0
<?php

header("content-type:text/html;charset=utf-8");
$redis = new redis();
$result = $redis->connect('127.0.0.1', 6379);
$mywatchkey = $redis->get("mywatchkey");
$rob_total = 10;
//抢购数量
if ($mywatchkey < $rob_total) {
    $redis->watch("mywatchkey");
    $redis->multi();
    //设置延迟,方便测试效果。
    sleep(5);
    //插入抢购数据
    $redis->hSet("mywatchlist", "user_id_" . mt_rand(1, 9999), time());
    $redis->set("mywatchkey", $mywatchkey + 1);
    $rob_result = $redis->exec();
    if ($rob_result) {
        $mywatchlist = $redis->hGetAll("mywatchlist");
        echo "抢购成功!<br/>";
        echo "剩余数量:" . ($rob_total - $mywatchkey - 1) . "<br/>";
        echo "用户列表:<pre>";
    } else {
        echo "手气不好,再抢购!";
        exit;
    }
}
?>