java框架在高并发项目开发中的设计和实现

@RestController
public class SeckillController {

    // 采用 Redis 队列进行限流
    @Autowired
    private RedisTemplate<String, Long> redisTemplate;

    @PostMapping("/seckill")
    public String seckill(@RequestParam("productId") Long productId) {
        // 从 Redis 队列中获取抢购资格
        boolean success = redisTemplate.opsForList().leftPop("seckill_" + productId) != null;
        if (success) {
            // 抢购成功，执行业务逻辑
            // ...
            return "抢购成功";
        } else {
            return "抢购已结束";
        }
    }
}

public class ChatServer {

    public static void main(String[] args) {
        // 创建 EventLoopGroup，负责接收和处理事件
        EventLoopGroup bossGroup = new NioEventLoopGroup();
        EventLoopGroup workerGroup = new NioEventLoopGroup();

        // 创建 ServerBootstrap，用于配置和启动服务端
        ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap.group(bossGroup, workerGroup)
                .channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 1024)
                .childHandler(new ChatServerInitializer());

        // 绑定端口，启动服务端
        ChannelFuture future = bootstrap.bind(8080).sync();

        // 阻塞等待服务端关闭
        future.channel().closeFuture().sync();

        // 释放资源
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}