Question

虽然我首次撰写了多功能杂草,但我很想知道。

首先,在座各位:

    ...
    <modelVersion>4.0.0</modelVersion>
    <groupId>project.room_management</groupId>
    <artifactId>room_management</artifactId>
    <packaging>pom</packaging>
    <version>1.0</version>
    <name>room_management</name>
    <modules>
        <module>room_management_dao</module>
        <module>room_management_domain</module>
        <module>room_management_service</module>
        <module>room_management_gui</module>
    </modules>
    ...

a. 子女之一:

     ...
    <parent>
        <groupId>project.room_management</groupId>
        <artifactId>room_management</artifactId>
        <version>1.0</version>
    </parent>

    <modelVersion>4.0.0</modelVersion>
    <groupId>project.room_management</groupId>
    <artifactId>room_management_domain</artifactId>
    <version>1.0</version>
   ...

考虑到我不需要共同单元从父母到孩子们,我能否将父母声明的“风险”移到孩子们的 p中? 或者是否需要汇编模块?

Answer 1

You do not need the <parent> section in the modules.

这主要意味着每个单元必须独立,你不能通过上级分享组合。

Answer 2

In this example you need the parent element, cause you have dependencies between gui and your service (service to dao as well). Furthermore you need to define the dependencies between the modules to see which module uses which. On the other hand maven needs this information to predict the order of build of the modules which is important. The next advantage of having such relationship is you can define the plugins/versions of dependencies in the parent module and many other things.

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