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application.properties file Configuration dependency: Build project environment: code generator Query function mapper is an interface interface. You need to add a configuration class before it can be managed by springboot Delete function Making a file is the generated entity class entity Pass value ...

Spring transaction management simplifies the traditional transaction management process and reduces the workload of developers to a certain extent, because if spring transaction management is not used, programmers have to write programs to deal with it. They need to consider a series of problems such as how to connect with the database and driv ...

  Article catalogue catalogue Article catalogue 1, What is Spring 2, Advantages of Spring framework   3, Detailed explanation of spring IOC mechanism   IOC role summary Detailed explanation of spring IOC mechanism 1, First build maven project and add dependencies 2, Create persistence layer and implementation class 3 ...

  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 ...

Spring version: spring 5.2.9 BUILD-SNAPSHOT Modified part of the source code, but does not affect the main process summary ConfigurationClassPostProcessor is a post processor of BeanFactory, which implements the BeanDefinitionRegistryPostProcessor interface and also has the ability of BeanFactory postprocessor. It is used for parsing related ...

When the project is developed based on the spring framework, a large number of spring modules need to be introduced, such as core, beans, context, jdbc, etc. when the above modules are introduced, the modules of the same version are used. At this time, we will define a maven attribute to deal with this application scenario. However, there are m ...

1 Spring 1.1 INTRODUCTION SpringSSH: Strust2 + Spring + HibernateSSM: SpringMvc + Spring + Mybatis Official website: https://docs.spring.io/spring-framework/docs/current/reference/html/overview.html#overview GitHub: https://github.com/spring-projects/spring-framework/releases <!-- https://mvnrepository.com/artifact/org.springframework/ ...

Using annotation development After spring 4, if you want to use annotation form, you must introduce aop package In the configuration file, a context constraint [context] must be introduced <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/X ...

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 ...

JDK dynamic agent 1. Use JDK to dynamically create Proxy objects by using the methods in the Proxy class (1) Call the newProxyInstance method Static object newproxyinstance (classloader, class <? > [] interfaces, invocationhandler h) Returns an instance of the proxy class of the specified interface that dispatches method calls to th ...