方法一：修改maven配置文件

我使用的是IDEA编译器，使用maven自己的库下载文件非常的慢。阿里代理了很多公共的maven仓库，使用maven.aliyun.com中的仓库地址作为下载源，速度更快更稳定。

打开你的maven的安装地址，找到conf文件夹下面的settings.xml文件并打开，在<mirrors></mirrors>标签中间插入镜像的配置参数。

<mirror>
    <id>aliyunmaven</id>
    <mirrorOf>central</mirrorOf>
    <name>central库</name>
    <url>https://maven.aliyun.com/repository/central</url>
</mirror>

如果需要替换的话，将URL中的地址替换为下表中的Path列所对应的url。

Repository

Type

Policy

Path

apache snapshots

proxy

SNAPSHOT

https://maven.aliyun.com/repository/apache-snapshots

central

proxy

RELEASE

https://maven.aliyun.com/repository/central

google

proxy

RELEASE

https://maven.aliyun.com/repository/google

gradle-plugin

proxy

RELEASE

https://maven.aliyun.com/repository/gradle-plugin

jcenter

proxy

RELEASE

https://maven.aliyun.com/repository/jcenter

spring

proxy

RELEASE

https://maven.aliyun.com/repository/spring

spring-plugin

proxy

RELEASE

https://maven.aliyun.com/repository/spring-plugin

public

group

RELEASE

https://maven.aliyun.com/repository/public

releases

hosted

RELEASE

https://maven.aliyun.com/repository/releases

snapshots

hosted

SNAPSHOT

https://maven.aliyun.com/repository/snapshots

grails-core

proxy

RELEASE

https://maven.aliyun.com/repository/grails-core

mapr-public

proxy

RELEASE

https://maven.aliyun.com/repository/mapr-public

保存并重启编译器即可。

方法二：修改项目的pom.xml文件

打开你的项目，找到pom.xml文件，在<repositories></repositories>中添加<repository></repository>仓库，格式如下。仓库的地址同第一种方法中的仓库地址。

<repositories>
        <repository>
            <id>maven-ali</id>
            <url>https://maven.aliyun.com/repository/public</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>true</enabled>
                <updatePolicy>always</updatePolicy>
                <checksumPolicy>fail</checksumPolicy>
            </snapshots>
        </repository>
</repositories>