Several ways of using RestTemplate for service invocation

First, we define a simple method in a service called MSG. @RestController public class ServerController { @GetMapping("/msg") public String msg() { return "this is a msg"; } } We need to invoke the method of this service in another service. In addition to using httpclient, we can also use RestTemplate (RestTemp ...

Posted on Tue, 01 Oct 2019 20:17:21 -0700 by Vbabiy

Configuration bean parant

siye@r480:~/svlution/workspace/springcore4322$ tree src/ src/ ├── main │   ├── java │   │   ├── log4j.properties │   │   └── ocn │   │   └── site │   │   └── springioc │   │   └── domain │   │   ├── Person.java │   │   └── User.java │   └── resourc ...

Posted on Tue, 01 Oct 2019 20:15:56 -0700 by PickledOnion

Spring Boot Configuration Class Loading Process

This article is based on Spring Boot version 1.4.1. RELEASE The startup code is as follows @SpringBootApplication public class SampleApplication { public static void main(String[] args) throws Exception { SpringApplication.run(SampleApplication.class, args); } } Then we start to analyze the process, because Spring has so many ...

Posted on Tue, 01 Oct 2019 18:40:53 -0700 by psycovic23

spirngboot dependencies and annotations

Article directory spirngboot dependencies and annotations (2) pom file webjars dependency mysql dependency of pom file properties file mysql configuration sqlserver dependency of pom file properties file sqlserver configuration pom file mongeDB dependency properties file mongoDB configuration Neo4j ...

Posted on Tue, 01 Oct 2019 18:08:19 -0700 by john_nyc

Spring Bean Factory Post Processor

What are the functions of spring-BeanFactoryPostProcessor? He can change some of the original annotation values of bean s before instantiation, such as the singleton prototype, and manually reduce the working pressure of BeanFactory. The original annotation refers to the annotations that spring defa ...

Posted on Tue, 01 Oct 2019 16:25:09 -0700 by jmcneese

Java operation rabbitmq example

On the Processing of Multilevel Menu Tree in Java Preface This demo mainly demonstrates how Spring Boot integrates RabbitMQ, and demonstrates message sending and receiving based on direct queuing mode, queuing mode and topic mode. text For information on how to build rabbitmq, see [this art ...

Posted on Tue, 01 Oct 2019 10:47:23 -0700 by dubt2nv

Transaction Management in Spring 4-Spring: Transaction Isolation Level

Transaction Management in Spring Transaction Manager in Spring Experimental code Table in MySQL book table book_stock table account table Two interfaces BookShopDao.java public interface BookShopDao { //Getting the unit price of a book by its number public int findBookPr ...

Posted on Tue, 01 Oct 2019 04:22:34 -0700 by amarquis

Spring Boot 2 builds deployable war packages

By default Spring Boot uses an embedded Tomcat server, and the project is eventually run as a jar package, each of which can be viewed as a separate Web server.Traditional Web development usually integrates Web applications into a war package and then deploys them to Web servers to run.Spring Boot also supports traditional deployment patterns. ...

Posted on Tue, 01 Oct 2019 03:43:44 -0700 by goodgeneguo

Microprojects: Step by step, take you to the beginning of SpringBoot

Recently, I had a vacation. I don't forget to write a small project to play during my break. If you need to do a manual project together, you can do it with me. Do whatever you want. It's about a week. *** development environment JDK1.8 JetBrain InteliJ Idiot Start Project Open the new project, click Spring Initializr, and then continue next ...

Posted on Tue, 01 Oct 2019 03:16:07 -0700 by Sassci

Spring Batch Reader

Article directory I. Extraction Order Read Database Common reader Encapsulation Entities 3. mapper configuration file Configuration file application.properties 5. Read database job VI. Inheritance of Public Common Procesor 7. Execution of job s Foreword: We may encounter read database in our dail ...

Posted on Tue, 01 Oct 2019 02:29:14 -0700 by thefamouseric