用maven下载jar包非常慢该怎么解决？

maven是支持镜像的，我们可以在maven的conf文件加下的setting.xml文件中找到<mirrors></mirrors>标签

<mirrors>

<!-- mirror

| Specifies a repository mirror site to use instead of a given repository. The repository that

| this mirror serves has an ID that matches the mirrorOf element of this mirror. IDs are used

| for inheritance and direct lookup purposes, and must be unique across the set of mirrors.

|

<mirror>

<id>mirrorId</id>

<mirrorOf>repositoryId</mirrorOf>

<name>Human Readable Name for this Mirror.</name>

<url>my.repository.com/repo/path</url>

</mirror>

-->

</mirrors>

在这个标签中加入国内的镜像即可，在这里推荐阿里云的镜像，下载速度有明显的加快

<mirror>

<id>alimaven</id>

<mirrorOf>central</mirrorOf>

<name>aliyun maven</name>

<url>maven.aliyun.com/nexus/content/repositories/central/</url>

</mirror>

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