Programmer Think

1. Preface I don't know if you have received this kind of demand, and immediately implement some logic after the project is started. For example, cache preheating, or broadcasting after online, etc. Maybe not now but in the future. Think about your possible operation, write an interface and go online. Can I adjust it once? NO! NO! NO! This kin ...

brief introduction I'll write the repetition function. In the spring boot project, there are global exception handling and return packaging. The return front end is to bring fields such as succ, code, msg and data. It's easy to solve in the case of a single project. When there are many micro service modules, in many cases, the development is to ...

1. Create a new springboot project and add a maven dependency <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-websocket</artifactId> </dependency> The file directory structure is as follows: 2. Create websocket server c ...

For reference: https://blog.csdn.net/qq263229365/article/details/9089975 I refer to the author's, maybe because I want to do it with springboot + thmmeleaf, so some codes are different, so I wrote this text, hoping to be useful to you. Step 1: Guide Package In springboot, you only need to add the < ...

To implement the docking of third-party interfaces, you can use httpclient (older) or SpringBoot RestTemplate (new generation). You can choose an appropriate way for docking according to your preferences. I recommend using SpringBoot RestTemplate. The specific use is as follows: Custom configuration c ...

stay Fast experience docker container health This article has experienced the health check function of docker container. Today, we will add health check to the container of java application, so that the application status can be monitored and viewed at any time. Actual combat environment information Operating system: macOS Catalina 10.15 Dock ...

1. springboot WebAppConfig configuration /**  * Created with IntelliJ IDEA.  *  * @author: zhangenke @Date: 2018/8/16 on 2:25 p.m.  * @description: Let springBoot know that there is this interceptor  */ @Slf4j @Configuration public class WebAppConfig extends WebMvcConfigurationSupport {   // The fol ...

When our project is just a simple Springboot project, it is inconvenient to use Aliyun ACM configuration center to load and read remote database or redis configuration information when Springboot starts. Official sdk packages either need Spring Cloud or just come out of nocos as registries; so they can only be self-reliant. Realization principl ...

03: WebFlux Web CRUD Practice Preface The last article created a simple service based on functional endpoints and implemented Hello. This article uses Spring Boot WebFlux annotation control layer technology to create a CRUD WebFlux application to make development more convenient. We don't access database storage here, because we'll talk about i ...

Catalog Calls between modules Callback in multithreading Java callback mechanism in practice Example 1: Synchronized invocation Example two: from shallow to deep Example 3: Tom does the problem Reference articles Public address Java Technology Personal Public ...