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Preface: content tips of this article Create a Spring Boot based web project on Idea. When the client browser accesses the web service resources with get, put, post, etc., the server can make correct results. Install Postman software and test your web with Postman. 1, Create a Spring Boot based web project on IDEA The specific steps ...

SpringBoot Basics SpringBoot overview SpringBoot: SpringBoot provides a way to quickly use Spring. Based on the idea that convention is better than configuration, developers do not have to switch between configuration and business logic, which greatly improves the development efficiency. Spring disadvantages Cumbersome configuration Al ...

project Eclipse editor, create a new project student using maven's parent-child module function, which is divided into three modules: student web,   student-setting, student-util. Student web is packaged as a war package. As a project, student setting and student util are packaged as jar packages and introduced into student web as depend ...

Preface Recently, I need to use multi-threading, it is very difficult to maintain thread pool by myself. I happen to see an example of springboot integrated thread pool. Here I try and summarize it, record it, and share it with friends I need. This multithreaded implementation is relatively simple, regardless of transactions. There are the fo ...

preface When we need to call other microservices or third-party interfaces, we may use Dubbo or Spring's own component RestTemplate, but compared with the previous two, I prefer to use Feign, a component of Spring cloud. In my opinion, Feign is more flexible. OpenFeign basic use I'm too lazy to write a micro service myself. Here I sear ...

First create a crud project. controller calls service and mapper The following is replaced by simple code controller @GetMapping("/getUserById") public String getUserById(String id){ String userById = userService.getUserById(id); return userById; } service @Override public String getUserById(String ...

SpringBoot auto configuration principle This section also analyzes the automatic configuration of SpringBoot from the source code and how to write the configuration file! 1. Review the operating principle As can be seen from the previous operation principle of SpringBoot, SpringBoot implements automatic configuration through the AutoConfigur ...

Integrated Junit: Example: (1) Import dependent <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.13.2</version> <scope>test</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifac ...

1. springboot features 1.1 dependency management The parent project does dependency management. The in the parent project collects almost all the jar packages required by the Spring framework for web development. Dependency management <parent> <groupId>org.springframework.boot</groupId> <artifactId&gt ...

Policy pattern: it defines algorithm families and encapsulates them separately so that they can be replaced with each other. This pattern makes the changes of the algorithm independent of the customers using the algorithm. The traditional policy mode is generally to create a public interface, define a public method, then create an entity class ...