开源litemall学习

1参数拼装

https://blog.yeskery.com/articles/345298282

WxWebMvcConfiguration

HandlerMethodArgumentResolver

2 全局异常处理

https://blog.csdn.net/weixin_40792878/article/details/81915712

@ControllerAdvice @ExceptionHandler

地址：

https://github.com/linlinjava/litemall

3、异步任务

@EnableAsync
@Async

@Configuration
@EnableAsync
public class ThreadPoolTaskConfig {

    private static final int corePoolSize = 10;               // 核心线程数（默认线程数）
    private static final int maxPoolSize = 100;                // 最大线程数
    private static final int keepAliveTime = 10;            // 允许线程空闲时间（单位：默认为秒）
    private static final int queueCapacity = 200;            // 缓冲队列数
    private static final String threadNamePrefix = "Async-Service-"; // 线程池名前缀

    @Bean("taskExecutor") // bean的名称，默认为首字母小写的方法名
    public ThreadPoolTaskExecutor taskExecutor(){
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(corePoolSize);
        executor.setMaxPoolSize(maxPoolSize);
        executor.setQueueCapacity(queueCapacity);
        executor.setKeepAliveSeconds(keepAliveTime);
        executor.setThreadNamePrefix(threadNamePrefix);

        // 线程池对拒绝任务的处理策略
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        // 初始化
        executor.initialize();
        return executor;
    }
}

@Service
public class testAsyncService {
    Logger log = LoggerFactory.getLogger(testAsyncService.class);

    // 发送提醒短信 1
    @Async("taskExecutor")
    public void service1() throws InterruptedException {
        log.info("--------start-service1------------");
        Thread.sleep(5000); // 模拟耗时
        log.info("--------end-service1------------");
    }

}