Programmer Help

1. Preface I don't know if you've received this requirement, so just execute some logic when the project starts.For example, simple cache preheating, or broadcasting after going online, and so on.If you use the Spring Boot framework, you can do so with its interfaces CommandLineRunner and ApplicationRunner. 2. CommandLineRunner org.springframe ...

Spring Boot profile encryption and decryption is as simple as that background Following "Return of Missing Persons, mybatis-plus 3.3.2 Release" [1], provides a very practical function, "Data Security Protection", which not only supports the configuration encryption of data sources, but also enables the encryption of sensitiv ...

1. Download flowable-6.5.0 from the official website: https://flowable.com/open-source/downloads/ After downloading and unzipping, open the directory wars 2. Find a clean tomcat8 In the war file directory flowable-admin.war  flowable-idm.war  flowable-modeler.war  flowable-rest.war  flowable-task.war A total of 5 war packages are placed in ...

A Spring project, which runs after jar package, is normal when there is a network, but once there is no network, an error will be reported. What's the matter? This article will record the troubleshooting process. Background A graphical interface with a local database is required to be able to run in a non network environment. The graphical in ...

0. Preface The project is managed and built using Maven, so it needs to be preconfigured.Well, I haven't done much in this series. 1. Create a project Create one firstPom.xmlFile, add the following: <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSc ...

spring boot uses starter to solve many configuration problems, but how does it solve these problems Here is a simple example to see how starter sets the default configuration 1, Build starter project The project naming specification is: custom name spring boot starter Let's take a look at my last directory structure   1. Modification pom.xml ...

preface Configuration files are often used in project development. The existence of configuration files solves a lot of repeated work. Today, I'll share four ways to get configuration files in spring boot. Note: the first three test configuration files are spring boot default application.properties file ############ ...

If the project persistence layer uses Spring Data JPA and some data tables contain composite primary keys (Union primary keys), how can the interface generated by Spring Data Rest access the data corresponding to a primary key in these data tables? Suppose the database has two data tables film with compound primary key ...

This article is the address of the live room where I share the documents in the learning group in station B http://live.bilibili.com/22263819 PS: ask me, is there any good conference software under Linux? Thank you for your comments 00. Introduction Gradle is an open source automation construction tool, which supports multi language e ...

#Overview This article describes how to use the page component, Thymeleaf, to automatically convert currencies #Maven depends on <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-thymeleaf</artifactId> <version>2.3.0.RELEASE</version> </de ...