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This article will comprehensively demonstrate Spring Boot's integration of JPA, Redis cache and RabbitMQ message queue around the current limiting and second kill requirements in high concurrency scenarios. This project will realize the effect of current limiting and second kill by integrating Springboot, Redis and Lua scripts, and will realiz ...

We are not unfamiliar with how beans are configured. After all, it has been involved in the previous article, although it is relatively superficial. But it also introduces how to write an XML configuration file to tell the Spring container how to create beans, how to inject dependencies, and so on. The key points are as follows: 1. < Bean & ...

Spring MVC project construction IDEA version: 2021.1 (the operation steps of each version are roughly the same) 1. Create an empty project and create a web module under the project Exit the current project: Choose to create an empty project: Select project name and location: After the empty project is completed, we choose to creat ...

preface There is an annotation @ Configuration in the Spring framework that appears frequently. If you still feel unfamiliar, we can go to the Spring boot autoconfigure package of SpringBoot. You can find that each Configuration class must have an @ Configuration annotation, in which there is an attribute proxyBeanMethods. What is its function ...

catalogue   1, Common Spring annotations - IOC related 1. Used to create objects 2. Used to change the scope of action 3. Life cycle related​​​​​​​ 2, Load annotations for third-party resources 1,@Bean 2. What is the difference between @ bean ？ and @ component ？? 3. Integrating MyBaitis with annotations 4. Integrating JDBC with anno ...

1. Basic configuration of spring When xml is injected, the value of value is given to the constructor. When it is created, it is not assigned a name variableMulti tag getBeanimport, which is used to merge xml configurations (generally used by teams, when each person develops different types and needs to configure them together) The remaini ...

1. jdbcTemplate 1.1 basic concepts JdbcTemplate is a template object provided in the spring framework. It is a simple encapsulation of the original cumbersome Jdbc API object Core object JdbcTemplate jdbcTemplate = new JdbcTemplate(DataSource dataSource); Core method Execute addition, deletion and modification statements int update(); / ...

There are 13 links in the Spring bean life cycle Stage 1: Bean meta information configuration stage Stage 2: Bean meta information parsing stage Phase 3: register the Bean into the container Phase 4: BeanDefinition merge phase Phase 5: Bean Class loading phase Stage 6: Bean instantiation stage (2 small stages) Pre instantiation stage ...

Author: Xiao Fu Ge Blog: https://bugstack.cn Precipitate, share and grow, so that you and others can gain something! 😄 Catalogue of Spring hand roll column Chapter 1: Opening introduction, I'm going to take you to Spring! Chapter 2: Small test ox knife, to achieve a simple Bean container Chapter 3: First show your skill and use desig ...

1. What is reflection? Reflection is a feature of java. For any class, you can know all the properties and methods of this class, and for any object, you can call any of its methods and properties. This dynamically obtained information and the function of dynamically calling the method of the object are called the reflection mechanism of j ...