nexthexonextbutterflyvolantisyearnyiliashokaindigoapollolandscapecactusmateryicarusfluidmaterial Spring Boot Starter Webflux     阅读全文

nexthexonextbutterflyvolantisyearnyiliashokaindigoapollolandscapecactusmateryicarusfluidmaterial GuavaRateLimiter1234567891011121314151617RateLimiter rateLimiter = RateLimiter.create(10);for (int i = 0; i < 20; i++) { int finalI = i; new Thread(new Runnable() { @Override public void run() { int cnt = 0; while (true) { if (rateLimiter.tryAcquire()) { cnt++; System.out.println("thread: " + finalI + " cnt: " + cnt); } } } }).start();}Thread.sleep(1000 * 100 * 1000);     阅读全文

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nexthexonextbutterflyvolantisyearnyiliashokaindigoapollolandscapecactusmateryicarusfluidmaterial 入门资料中文文档官方文档中文文档社区嘿嘿     阅读全文

nexthexonextbutterflyvolantisyearnyiliashokaindigoapollolandscapecactusmateryicarusfluidmaterial 微服务于微服务架构微服务强调服务的大小，他关注某一个点，一个模块只做一种事情微服务架构通常而言，他提倡将单一的程序划分为一组小的服务，每个服务运行在独立的进程中，采用轻量级的通信机制 doubbo是rpc，springcloud是restful     阅读全文

nexthexonextbutterflyvolantisyearnyiliashokaindigoapollolandscapecactusmateryicarusfluidmaterial 如何编写理清依赖自动配置@Configuration 指定这个是配置类@ConditionalOnxxx 在某些条件下才生效@AutoConfigureAfter 指定自动配置类的顺序@Bean 给IOC加组件@ConfiguretionProperties 结合相关的xxxProperties配置类来绑定配置@EnableConfigurationProperties 让xxxProperties生效加入到容器中讲自动配置类配置在META-INF/spring.factories中     阅读全文

nexthexonextbutterflyvolantisyearnyiliashokaindigoapollolandscapecactusmateryicarusfluidmaterial 启动配置原理几个重要的事件回调机制 ApplicationContextInitializer SpringApplicationRunListener ApplicationRunner CommandLineRunner 启动流程1return new SpringApplication(primarySources).run(args); 创建SpringApplication对象 运行run方法 创建对象现在左边的参数是null 123456789101112public SpringApplication(Class<?>... primarySources) { this(null, primarySources);}public SpringApplication(ResourceLoader resourceLoader, Class<?>... primarySources) { this.resourceLoader = resourceLoader; Assert.notNull(primarySources, "PrimarySources must not be null"); this.primarySources = new LinkedHashSet<>(Arrays.asList(primarySources)); this.webApplicationType = WebApplicationType.deduceFromClasspath(); setInitializers((Collection) getSpringFactoriesInstances(ApplicationContextInitializer.class)); setListeners((Collection) getSpringFactoriesInstances(ApplicationListener.class)); this.mainApplicationClass = deduceMainApplicationClass();}     阅读全文

nexthexonextbutterflyvolantisyearnyiliashokaindigoapollolandscapecactusmateryicarusfluidmaterial 创建项目选择MySQL+JDBC+Web 链接数据库123456spring: datasource: username: root password: 123456 url: jdbc:mysql://localhost:3306/jdbc driver-class-name: com.mysql.jdbc.Driver     阅读全文