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1.1 overview: Static is a static modifier. What is a static modifier? As we all know, any variable or code in the program is stored by the system automatically allocating memory during compilation, and the so-called static means that the memory allocated after compilation will always exist, and this space will not be released until the program ...

Article reference spring-boot-demo-exception-handler github jump We will encounter many exceptions in our project. We should catch exceptions in time, but inevitably, there will be many unexpected exceptions. Therefore, we should customize the global exceptions and deal with these exception information uniformly 1. Project construct ...

Based on the official spring documentation, the official address is: Spring Boot_Web Spring Boot is very suitable for web application development. You can create a self-contained HTTP server using embedded Tomcat, Jetty, Undertow, or Netty. Most web applications use the Spring Boot starter web module to start and run quickly. You can also ch ...

When I first came into contact with Spring Boot, most children should be as curious as me: Why doesn't Spring Boot need to install additional Tomcat? Why on earth? Let's start today's journey with curiosity. open Previous section We built the tobebeter javaer project and found POM XML file, you can see a parent attribute in it. The code ...

Rear part Completed the system user add delete change check function controller //Get all users by querying criteria @RequestMapping("/getAllAdminUser") public ResultObj getAllAdminUser(@RequestParam(required=false,defaultValue="",name = "username") String username, @RequestParam(required=fa ...

Spring boot projects are usually packaged as jar s and can be run directly, which is relatively convenient. However, recently, the project needs to package the springboot project into a war and run it in a separate tomcat. There are still many things to pay attention to. 1. Inherit SpringBootServletInitializer For external container deploymen ...

explain When you use mybatis or openFeign, you only define an interface class without an implementation class. You can inject the interface into the service and call the method return value. An interface has no implementation class. Why can it be instantiated and handed over to spring management. How is mybatis and OpenFeign implemented? Look ...

In the actual project development work, we often encounter the need to do some scheduled tasks. Then, how is it implemented in Spring Boot? Add dependency In POM You only need to introduce the dependency of spring boot starter in the XML file: Code listing: spring boot scheduler / POM xml Understand the source code + VX: 445909108 Java code ...

Before explaining the SpringBoot configuration file, let's first learn the relevant annotations for reading the configuration file. This article will take you through all of them! preface Originally, I wanted to explain the Configuration file of SpringBoot, but a bunch of annotations in it made me feel that they are almost the same, su ...

All content is a video recording of madness teacher's station B MyBatisPlus Complete Tutorial B-Station Video for Crazy Java brief introduction MyBatis-Plus (opens new window) (MP) is an enhancement tool for MyBatis (opens new window). On the basis of MyBatis, only enhancements are made and no changes are made to simplify development and incr ...