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custom interceptor HandlerInterceptorAdapter,HandlerInterceptor HandlerInterceptorAdapter needs to inherit and HandlerInterceptor needs to be implementedIt can be used as logging and login verificationIt is recommended to use HandlerInterceptorAdapter because methods can be overridden on demand. There are three main methods: preHandle: int ...

Spring's startup class is new ClassPathXmlApplicationContext Start with this construction method and start debug ging After that, we will enter a very important method of Spring: refresh public void refresh() throws BeansException, IllegalStateException { synchronized(this.startupShutdownMonitor) { StartupStep contex ...

It is convenient to integrate common NO SQL with Springboot following the principle of "convention is greater than configuration". This example makes a simple demo with redis, using Redis's set and get commands. Introduce dependency packages for redis. <dependency> <groupId>or ...

It is convenient to integrate common NO SQL with Springboot following the principle of "convention is greater than configuration". This example makes a simple demo with redis, using Redis's set and get commands. Introduce dependency packages for redis. <dependency> <groupId>or ...

1. Modify in maven projectPom.xmlIntroduce dependencies on spring.<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com ...

preface I didn't plan to write this article, but after reading the core principles of SpringBoot, I suddenly thought of the MVC automatic failure problem encountered in the previous development. Although there are many articles and official documents on the Internet explaining the reasons, I still want to have a look at it in person. What I tho ...

Basic use of Spring Cloud Gateway Spring Cloud Gateway is the second generation gateway framework officially launched by Spring Cloud, replacing Zuul gateway. Gateway as a traffic, plays a very important role in micro service system. The common functions of gateway include routing and forwarding, author ...

Next: RocketMQ entry to earth (1) novice can also understand the principle and actual combat! 1, Origin of transaction message 1. Case study Quoting official shopping cases: At the same time, you need to add 100 points to the downstream account to ensure that 100 yuan will be deducted from the system. Account system and points system are two in ...

User defined request header of RestTemplate in WEB Series The last article introduced the basic usage posture of RestTemplate, and at the end of the paper, some extended advanced usage posture were proposed. This article will focus on how to carry user-defined request header, such as setting user agent and carrying Cookie Get carry request ...

Take a look at the simplest example of CGLIB, and feel how AOP is achieved? /** * Created with vernon-test * Description: * User: chenyuan * Date: 16/4/25 * Time: 9:25 am */ public class Target { public String execute() { String message = "----------test()----------"; System.out.println(message); return message ...