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@Configuration+@Bean Front Create User and Pet classes public class User { private String name; private Integer age; public User(){ } public User(String name, Integer age) { this.name = name; this.age = age; } public String getName() { return name; } public void setName(String n ...

1. Foreword A good arrangement and division of log information can enable us to better locate the wrong place. If we use the debugger breakpoint mechanism to reproduce the problem, locate the problem and solve the problem. Most of the time, we do this when we encounter a bug that is difficult to locate. If it is an ordinary bug, we believe t ...

preface Simply learn how to use Docker to build and publish an image in Spring Boot. Now we build an image, run a container, publish an image and so on through the remote docker api. Only two methods are introduced here: Remote command api (need to know Docker command)maven plug-in (you don't need to know the Docker command) Enable Docker a ...

        We can define the relevant properties of the Spring Boot project in the application.properties file. Of course, these related properties can be system properties, environment variables, command parameters and other information, or the name and location of the custom configuration file. Next, we will demonstrate a cu ...

catalogue 1. Import jar package 2. In mybatis_ Import the paging plug-in in the config.xml file 3. Write mapper interface and mapper.xml 4. Write service layer 5. Writing test classes 6. Write Controller 7. Write the front-end interface to turn pages 8. The corresponding location of the view parser and the web directory 1. Import jar ...

SpringBoot provides us with indicator monitoring. After each micro service is deployed on the cloud in the future, we need to monitor, track, audit and control it. SpringBoot extracts the actor scenario, so that we can quickly reference each micro service to obtain production level application monitoring, audit and other functions For detailed ...

Original website: brief introduction         This paper introduces the transaction propagation mechanism in Spring, and illustrates its usage with an example.         This content is also a common question in Java back-end interview. summary         Spring specifies seven types ...

brief introduction Today, we mainly learn about global unified exception handling step try catch is often used in Web applications, which will lead to the feeling of disordered code structure and is not conducive to debugging code. It will be a good thing if all exceptions can be unified into one module. Then @ ControllerAdvice and @ Excepti ...

catalogue preface The purpose of writing this article What are multiple data sources? When to use multiple data sources? Consolidate a single data source Integrate Mybatis How to integrate multiple data sources? What is a dynamic data source? How does data source switching ensure thread isolation? How to construct a dynamic data s ...

Article directory: 1. Changes in JUnit 5 2. JUnit 5 common notes and tests 2.1 @DisplayName,@Disabled,@BeforeEach,@AfterEach,@BeforeAll,@AfterAll 2.2 @Timeout 2.3 @RepeatedTest 3. Assertion 3.1 simple assertion 3.2 array assertion 3.3 combined assertions 3.4 exception assertion 3.5 timeout assertion 3.6 rapid failure 4. Preconditio ...