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This article introduces the relevant knowledge of "what is the method of parsing configuration of Maven POM files". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

The core file of the maven project is this pom file. When each project is created, there will be a pom.xml configuration file, which is the entry for maven configuration dependencies, plug-ins, project management and construction. All the configurations will be in this file, so it is necessary to understand the basic configuration of this file.

As shown in the following figure, a series of configuration items in the POM file are listed.

The following configurations are essential configuration items for POM files.

Let's talk about the most basic configuration items.

ModelVersion

The model version of maven, which follows the definition of maven, generally cannot be modified.

GroupId

The organization of the project is generally the top-level domain name + company or organization name, such as alibaba's project organization is com.alibaba, if your company's domain name is www.abc.com, then your project organization had better be named after com.abc.

ArtifactId

The name of the project is also an important symbol of the introduction of dependency between projects. For example, alibaba has a dubbo project, and the dubbo project may be associated with many subprojects, so artifactId defines projects such as dubbo and dubbo-config.

Version

The version of the project, the iterative development of the project, may go through many versions, and depending on this definition, the default is the packaged component, such as dubbo-2.8.4.jar. In addition, there are two concepts of version, such as 0.0.1-SNAPSHOT is the snapshot version, 0.0.1-RELEASE or without SNAPSHOT is the RELEASE version.

Packaging

Packaging types, there are several types: pom, jar, maven-plugin, ejb, war, ear, rar, par, default is jar package, generally commonly used are pom, jar, war.

Properties

Configure common properties, such as spring-web,spring-aop, you have to rely on these two, they must be the same version such as 4.5.0, you can put the version number on the properties for unified management, but also easy to maintain.

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