Maven中的存储库和依赖项之间有什么区别? [英] What is the difference between repository and dependency in Maven?

问题描述

它们有何不同?还是一样?

How are they different? Or are they the same?

推荐答案

存储库是工件(例如jars)的集合.您可以将其视为各种工件的存储/缓存.

Repository is a collection of artifacts (eg: jars). You can think of it as a mere storage / cache of various artifacts.

依赖性是您的项目依赖于另一个工件来执行其任务(例如:编译，运行，单元测试)的情况

Dependency is a situation where your project dependent on another artifact to perform its task (eg: compile, run, unit test)

在Maven项目中，通常会在pom的<dependency>部分中声明所需的工件，还可以声明maven应该在<repositories>部分中查找依赖项的存储库.

On a maven project you typically declare what artifacts you need on the <dependency> section of your pom, and you can also declare what repositories maven should lookup the dependency from at the <repositories> section.

默认情况下，maven将在中央存储库上查找工件.但是，对于组织来说，通常有一个内部存储库，其中包含内部开发的工件.因此，通常会在pom的<repositories>部分配置此内容.

By default maven will lookup the artifacts on the central repository. But it's common for an organization to have an internal repository containing in-house developed artifacts. Hence typically <repositories> section on the pom is configured with this.

http://maven.apache.org/guides/index.html

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