redis 结合事物乐观锁

Redis::connection(); Redis::watch('sales');

//Redis::del('sales');

//dd(1);

$count = 10;

$num = Redis::get('sales');

if($num>=$count){

Log::info('===== '.$num); exit('结束');

}

Redis::multi();

Redis::incr('sales');

$res = Redis::exec();

if($res){

$num = Redis::get('sales');

Log::info('===== '.$num.'====');

exit('成功');

}