Programmer Think

  1.SpringBoot features 1.1 dependency management Dependency management of parent project Dependency management <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.3.4.RELEASE</version> </parent> His p ...

Common methods and descriptions of HttpSecurity Usually, when using spring security, we will follow the WebSecurityConfigurerAdapter to configure security controls such as what URL to intercept and what permissions to set through the following methods. /** * Copy this method to configure {@ link HttpSecurity} * Typicall ...

Environment: Java 8 Cglib agent usage System.setProperty(DebuggingClassWriter.DEBUG_LOCATION_PROPERTY, "E://cglib"); Enhancer enhancer = new Enhancer() ; enhancer.setSuperclass(PersonDAOImpl.class) ; enhancer.setCallback(new MethodInterceptor() { @Override public Object intercept(Object obj, Method method, Object[] args, MethodProxy pr ...

In spring MVC, if we need to open the annotation, that is, @ RequestMapping, which we often use, and the @ Controller annotation needs to take effect, we usually use the label "< MVC: annotation driven / >" provided by the spring MVC framework to complete it. So how does this tag complete annotation driven to make annotations ef ...

SpringBoot-06 employee management system 1, Environment construction 1. Create a new SpringBoot project The specific steps are shown in the figure: After that, the project name is given, and then the creation is completed. The in the red box can be deleted by yourself. It's OK not to delete it. 2. Import static resources **Sta ...

Spring framework overview Spring makes it easy to create Java enterprise applications. It provides everything needed to use the Java language in the enterprise environment, supports Groovy and Kotlin as alternative languages on the JVM, and can flexibly create a variety of architectures according to the needs of applications. Starting with Spr ...

SpringBoot source code analysis (2) automatic assembly demo preface The Spring Framework focuses on how to make the management of beans easier and how to let developers manage some configurations generated by beans as little as possible; When we reference beans in other modules, we can automatically create beans and hand them over to sp ...

1, The difference between the three from size: deep pagination occurs when the page is deeply paged or the size is very large. And the self-protection mechanism of es is max_result_window is 10000. When the number of queries exceeds 10000, an error will be reportedThe implementation principle of this query is similar to the limit in mysql ...

preface Sorted out the common functions of logback, and recorded some questions in the process of use and the troubleshooting process of problems, so as to prevent yourself from making similar mistakes again. I hope it will be helpful to you passing by. 1, How to use logback The use of any framework is a three-step process: 1. Impo ...

Spring Boot Web preparation Import static resourcesCustom home pagejspAssembly extension spring MVCAdd, delete, modify and checkInterceptorInternationalization (switching between Chinese and English) Import static resources Static resources under the five paths in the figure can be read /**，classpath:/WEB-INF/resources/，classpat ...