開源litemall學習

1參數拼裝

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

WxWebMvcConfiguration

HandlerMethodArgumentResolver

2 全局異常處理

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

 @ControllerAdvice @ExceptionHandler 

 

地址：

https://github.com/linlinjava/litemall

 

3、異步任務

@EnableAsync
@Async

@Configuration
@EnableAsync
public class ThreadPoolTaskConfig {
    
    private static final int corePoolSize = 10;               // 核心線程數（默認線程數）
    private static final int maxPoolSize = 100;                // 最大線程數
    private static final int keepAliveTime = 10;            // 允許線程空閑時間（單位：默認為秒）
    private static final int queueCapacity = 200;            // 緩沖隊列數
    private static final String threadNamePrefix = "Async-Service-"; // 線程池名前綴
    
    @Bean("taskExecutor") // bean的名稱，默認為首字母小寫的方法名
    public ThreadPoolTaskExecutor taskExecutor(){
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(corePoolSize);   
        executor.setMaxPoolSize(maxPoolSize);
        executor.setQueueCapacity(queueCapacity);
        executor.setKeepAliveSeconds(keepAliveTime);
        executor.setThreadNamePrefix(threadNamePrefix);
        
        // 線程池對拒絕任務的處理策略
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        // 初始化
        executor.initialize();
        return executor;
    }
}


@Service
public class testAsyncService {
    Logger log = LoggerFactory.getLogger(testAsyncService.class);
 
    // 發送提醒短信 1
    @Async("taskExecutor")
    public void service1() throws InterruptedException {
        log.info("--------start-service1------------");
        Thread.sleep(5000); // 模擬耗時
        log.info("--------end-service1------------");
    }
    
}