Shulou(Shulou.com)06/02 Report--

In this issue, the editor will bring you the introduction and configuration of maven pom. The article is rich in content and analyzes and narrates it from a professional point of view. I hope you can get something after reading this article.

1. What is pom?

Pom (Project Object Model, Project object Model) defines the basic information of the project to describe how the project is built, declare project dependencies, plug-in configuration, repository configuration, and so on.

2.pom configuration

Xml code

5 4.0.0 6 7... 8... 9... 10... 11... 12... 14... 15... 16... 17 18 19.. . 20... 21 22 23... 24... 25... 26... 27... 28... 29... 30... 31 32 33... 34... 35... 36... 37... 38. .. 39... 40... 41... 42

Detailed explanation of 3.pom label

3.1 Project coordinate labels:

1. 5. 4.0.06. Org.codehaus.mojo7. My-project8. 1.09. War10. 11. GroupId: organization identity, for example: org.codehaus.mojo, under the M2_REPO directory, will be: org/codehaus/mojo directory. 12. ArtifactId: project name, for example: my-project, under the M2_REPO directory, it will be: org/codehaus/mojo/my-project directory. 13. Version: version number, for example: 1. 0, in the M2_REPO directory, it will be: org/codehaus/mojo/my-project/1.0 directory. 14. Packaging: packaged format, which can be: pom, jar, maven-plugin, ejb, war, ear, rar, par15. ModelVersion: defines the pom version number, which has a series of rules

3.2 dependency tags:

(dependency list (dependency list) is an important part of POM, that is, the management of jar packages in our project.

Xml code

1. 2. 3. Junit4. Junit5. 4.06. Test7. 8. 9. 10. GroupId, artifactId, version: referenced coordinates 11. Scope: compile (default), range of provided,runtime,test,system dependencies 12. Dependent jar packages that exclusions needs to exclude

3.3inheritance and aggregation (parent pom dependency on parent pom and parent project dependency on modules)

1. 5. 4.0.06. Org.maven.my7. ${projectName}-parent8. 2.09. 10. 11. My-spring-web12. My-spring-service13. My-spring-common14. My-spring-dao15. 16.

3.4 tags when the project builds build:

(can help us specify the maven plug-ins we need, the main tags: Resources and Plugins

Resources: used to exclude or include certain resource files

It can be used to solve the isolated dependence on resource file configuration when we deploy testing and online services:-Ponline |-Plocal

Xml code

1. 2. 3. 4. 5. ${project.basedir} / src/main/resources6 True7. 8. 9. 10. 11. 12. 13. 14. Local15. 16. True17. 18. 19. 20. ${project.basedir} / src/main/swap/local.properties21. twenty-two。 23. 24. 25. twenty-six。 Online27. twenty-eight。 False29. thirty。 thirty-one。 thirty-two。 ${project.basedir} / src/main/swap/online.properties33. thirty-four。 thirty-five。

Plugins: set up the built plug-in

1. 2. 3. 4. 5. 6. Org.apache.maven.plugins7. Maven-jar-plugin8. 2.09. False10. True11. 12. Test13. 14. 15. 16. The above is the introduction and configuration of maven pom shared by the editor. If you happen to have similar doubts, you might as well refer to the above analysis to understand. If you want to know more about it, you are welcome to follow the industry information channel.

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.