Programmer Group

1: Basic concepts of spring 1) Struts 2 is web framework, hibernate is orm framework 2) spring is a container framework, which creates beans and maintains the relationship between beans 3) Spring can manage the web layer, persistence layer, business layer, dao layer, spring can configure the components of each layer, and maintain the relati ...

catalog introduction AOP overview AOP terminology Understanding of hands through practice (simple calculator) introduction What is AOP? (interview question), simply answering face-to-face programming can't satisfy the interviewer, it's better to combine your own understanding. AOP overview ...

OAuth2 and our little buddies have talked a lot. Let's practice with a practical case. Here I use GitHub for third-party login. Why GitHub?There are two considerations: Programmers basically have GitHub accounts for easy testing. In China, no matter QQ, WeChat, Weibo, etc., registration and auditing are required, which takes a lot of t ...

summary The Spring framework provides a perfect event monitoring mechanism. The steps to implement event monitoring in the Spring framework are as follows: Custom events, inheriting org.springframework.context.ApplicationEvent abstract class Define event listener, implement org.springframework.contex ...

Before the flow chart was drawn, tomcat was used to start the flow modeler, but in this way, the data in your system cannot be queried when assigning task users / user groups. So now we need to integrate the flowable modeler into the project. I searched a lot of articles before, but I didn't feel very clear. Maybe it was because I just got ...

Recently, we are introducing distributed transaction technology for the project. At present, Seata is a good choice. I plan to take a look at it. This article is purely a personal learning note, without any responsibility. In this article, nacos-1.2.0, SpringBoot-2.3.0, seata-1.2.0, mysql-5.7 are use ...

1, General knowledge of software development (1) Project development process 1. Project approval Project implementability analysis: (a project) 100W project, the development cycle is expected to be 6 months, 10 people are needed, and the operation (human) cost is 2W / person The product manager st ...

Author: giant brother cnblogs.com/jurendage/p/11255197.html background In the process of software development, it is inevitable to deal with all kinds of exceptions. For myself, at least half of the time is spent dealing with all kinds of exceptions, so there will be a lot of try {...} catch {...} finally {...} code blocks in the code, which ...

AOP: [dynamic agent] It refers to the programming method that dynamically cuts a piece of code into a specified method position to run during the program running 1. Import aop module: Spring AOP: (spring aspects) 2. Create a business logic class (MathCalculator): print the log when the business logic ...

The properties that a profile can configure refer to: https://docs.spring.io/spring-boot/docs/current/reference/html/appendix-application-properties.html Principle of automatic configuration 1. When Spring Boot starts, the main configuration class is loaded, and the auto-configuration function is tu ...