Programming VIP

1. Get the spring framework source code 1.1 clone mode git clone https://github.com/spring-projects/spring-framework.git cd spring-framework git checkout 5.2.x # Switch to the branch you need 1.2 download mode Access the github address of spring( https://github.com/spring-projects/spring-framework )Then switch to the branch you need to dow ...

Development guidelines and instructions This practice is mainly in version 2.2.0 Build on build-snapshot, which provides an API gateway built on the Spring ecosystem. Introduction to Spring Cloud Gateway The goal of Spring Cloud Gateway is to route to the API in a simple and effective way, and provide some crosscutting concerns, such as secu ...

1, Project structure I'll use it first SpringBoot Initializer It is more convenient to create a simple Demo and then modify it on the Demo. The project structure is shown in the figure below: The project structure is also very simple PrintMessageListener is responsible for processing subscription messages. I just print the received Redis info ...

stay Top down structure of Spring batch in Job,Step They are all framework level functions. Most of the time, they provide some configuration options for developers Item The Reader, Processor and Writer in belong to the business level. It opens some business entry interfaces. However, there are many common and consistent functions during file r ...

concept In a complete event system, there are the following roles Event: describe what happened, such as request processing completed and Spring container refresh completedEvent source: the generator of an event. Any event must have an event source. For example, the event source of request processing is DispatcherServlet, and the event sour ...

conceptIn a complete event system, there are the following rolesEvent: describe what happened, such as request processing completed and Spring container refresh completedEvent source: the generator of an event. Any event must have an event source. For example, the event source of request processing is DispatcherServlet, and the event source of ...

Spring boot doesn't need much. It's an artifact that liberates both hands of Java development. The most remarkable feature is de configuration, automatic assembly and automatic configuration. Let developers only focus on business development Today, let's learn how to realize the source code of automatic assembly Prepare in advance Direct refe ...

Seven principles of OOP Opening and closing principle: open to extension and close to modificationRichter substitution principle: inheritance must ensure that the properties owned by the superclass are still valid in the subclassDependency Inversion Principle: interface oriented programming, not implementation oriented programmingSingle respon ...

In ssm and springboot projects, we have one to many and many to many situations between tables, so they need to perform cascade query to query the associated data. The problem involved in cascade query is that there are objects (one to one) or object collections (one to many) of another entity class in one entity class, When using layui, we wil ...

catalogue 1, Load profile 1.1 relative position 2. Absolute position 3. Multiple configuration files - transfer multiple file names 4. Multiple configuration files - the total configuration file is import ed 2, Instantiation of bean objects 2.1 constructor instantiation 2. Static factory instantiation 3. Example chemical plant 3, IOC ...