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前言需求很简单，我不想在idea新建个项目，但是功能同样的类，我需要多份，但是还不想改变名称，原因是太多。我就想新建个包，把他们复制过去，改改配置。但是不改类名，容器扫描会有冲突（除非给其加上别名），因为我的包名和环境名相同，如果能根据环境的不同，容器扫描不同的类最好不过。需求解决需求修改对ComponentScan的配置@ComponentScan( value = "com.delicacy", excludeFilters = {@ComponentScan.F

初始化Servlet初始化Servlet过程HttpServletBean: init|FrameworkServlet: initServletBean| FrameworkServlet: initWebApplicationContext|DispatcherServlet: onRefresh|DispatcherServlet: initStrategies初始化策略对象（以便servlet使用）protected void initStrategies(Appli

Request过程Handler实际执行请求（request）DispatcherServlet: doDispatch|AbstractHandlerMethodAdapter: handle|RequestMappingHandlerAdapter: handleInternalRequestMappingHandlerAdapter: invokeHandlerMethod|ServletInvocableHandlerMethod: invokeAndHandle|Invoca

获取BeanDefinition信息并注册AbstractApplicationContext: refresh|AbstractApplicationContext: invokeBeanFactoryPostProcessors|PostProcessorRegistrationDelegate: invokeBeanDefinitionRegistryPostProcessors|BeanDefinitionRegistryPostProcessor: postProcessBeanDe

EnableWebMvc@Retention(RetentionPolicy.RUNTIME)@Target(ElementType.TYPE)@Documented// 引入DelegatingWebMvcConfiguration类@Import(DelegatingWebMvcConfiguration.class)public @interface EnableWebMvc {}DelegatingWebMvcConfiguration@Configurationpublic

AutowiredAnnotationBeanPostProcessor如何注入容器SpringApplicationprotected ConfigurableApplicationContext createApplicationContext() { ... return (ConfigurableApplicationContext) BeanUtils.instantiate(contextClass);}AnnotationConfigApplicationContextpubl

@RestControllerpublic class GetPostController { @GetMapping("say") public String say(@RequestParam String msg) { return msg; } @GetMapping("sayList") public String sayList(@RequestParam List<String> msg) { retu

access_denied 方面异常原异常{ "error": "access_denied", "error_description": "不允许访问"}现异常{ "success": false, "error": "access_denied", "status": 403, "message": "不允许访问", "path": "/user/get1", "timestamp": 1592378892768}实现p

Response异常处理@Slf4j@RestController@Validatedpublic class ValidController { @PostMapping("validUser") public String validUser(@RequestBody @Valid User user){ return "success"; }...

前言我们常见异常返回如下{"timestamp":"2020-03-11T07:33:39.442+0000","status":400,"error":"Bad Request","message":"xxxxxxxx","path":"/validParams"}在尤其在我们是用@Valid和@Validated注解的时候，message信息是不友好的，能不能显示我们希望的异常数据呢？...

前言 : /logout at position 1 of 10 in additional filter chain; firing Filter: 'WebAsyncManagerIntegrationFilter' : /logout at position 2 of 10 in additional filter chain; firing Filter: 'SecurityConte...

密码模式localhost:8080/oauth/token?client_id=client_id_1&client_secret=123456&grant_type=password&username=xiaomi&password=123456{ "access_token": "1e8ada36-ed82-49fc-9ca7-ff897d4bf2...

sso oauth2 的使用oauth获取token1、 页面输入如下地址：http://localhost:8000/oauth/authorize?response_type=code&client_id=client_id_1&redirect_uri=http://localhost:8001/code&scope=write2、 拦截跳转到登陆页面：...

问题  @Cacheable注解不支持配置过期时间，所有需要通过配置CacheManneg来配置默认的过期时间和针对每个类或者是方法进行缓存失效时间配置。解决  可以采用如下的配置信息来解决的设置失效时间问题配置信息 @Bean public CacheManager cacheManager(RedisConnectionFactory redisConn...

@Bean(autowire = Autowire.BY_NAME,value = "kaptchaProducer") public Producer kaptchaProducer() { Properties kaptchaProperties = new Properties(); kaptchaProperties.put("kaptcha...