$num=10;//库存
$redis = new \Redis();
$redis->connect('127.0.0.1', 6379);
if(!$redis->exists('goods1')){
$redis->set('goods1',intval(1));
}else{
if($redis->get('goods1') >= $num){
exit("库存没了!");
}else{
$redis->incr('goods1');//数量加1
echo $redis->get('goods1');
//生成订单
}
} 最佳答案
