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Preliminary discussion on principle: pom.xml Spring boot dependencies: the core depends on the parent project!When we write or introduce some sprigboot dependencies, we don't need to specify the version, just because there are these version warehouses starter <dependency> <groupId>org.springframework.boot</ ...

Project integration Swagger Learning objectives: Understand the concept and function of Swagger Master the integration of Swagger in the project and automatically generate API documents About Swagger Front and rear end separation Front end - > front end control layer, view layer Backend - > backend control layer, service la ...

Summary What is AOP AOP is the abbreviation of Aspect Oriented Programming, meaning: Face-Oriented Programming AOP was originally proposed by the organization of AOP Consortium, which specifies a set of specifications. spring introduces the idea of AOP into the framework, a technology for unified maintenance of programs through precompi ...

1 Notes Annotation is very powerful. It can enhance our java code, and use reflection technology to expand and realize many functions. They are widely used in the bottom three frameworks. Traditionally, we declare through XML text file (as shown in the figure below, but XML is cumbersome and difficult to check), but now the most mainstream ...

This paper connects MyBatis basic learning knowledge point 1 and continues to discuss the following two issues         1. What is Dao configuration file mainly used for? How to configure?         2. How to test program running with test method? What does each stat ...

scene If the validator check parameter is not valid, save the error information to BindingResult, and finally use i18n to display the corresponding exception information according to different countries and regions. You do not need to add any additional code to your application to do this once you have configured it. Today spring boot is so p ...

In this section, we will learn how to deploy Spring Boot applications on Tomcat Server. It consists of three steps: Set up Spring Boot applicationCreate a Spring Boot WARDeploy WAR to Tomcat example Let's create a Maven example to deploy on Tomcat Set up Spring Boot application Step 1: open Spring Initializr http://start.spring.io. Step ...

Upload and download the files using Spring Boot Application - PixelTricehttps://www.pixeltrice.com/upload-and-download-the-files-using-spring-boot-application/ If you are on the Internet, you will certainly upload or download some files, such as movies, songs or any files, such as pdf, images, etc. These are very common features of any applica ...

Scope of Bean In short, bean s are objects initialized, assembled, and managed by the IoC container. There are four scopes: 1.singleton When the scope of a bean is Singleton, only one shared bean instance will exist in the Spring IoC container, and all requests to the bean will return only the same instance of the bean as long as ...

Spring Boot also provides good support for exception handling. It provides @ ControllerAdvice annotation and @ ExceptionHandler annotation. The former is used to enable global exception capture, while the latter describes which exceptions are captured and handles these captured exceptions. Test code Project structure diagram: pom.xml: &lt ...