IDEA 配置Maven国内源

首先打开设置，在设置中搜索maven，然后跳转到这个页面：

看到有一个User settings files这个项，/Users/xq/.m2/settings.xml这个便是配置文件，修改这个文件即可，如果没有这个文件，可以新建一个settings.xml文件，然后设置为如下内容：（重点是mirrors里的内容，这里用的是阿里源，可以改为其他源）

写入配置文件

<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
                          https://maven.apache.org/xsd/settings-1.0.0.xsd">
      
      <mirrors>
            <mirror>
                  <id>aliyun-public</id>
                  <mirrorOf>*</mirrorOf>
                  <name>aliyun public</name>
                  <url>https://maven.aliyun.com/repository/public</url>
            </mirror>

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

            <mirror>
                  <id>aliyun-spring</id>
                  <mirrorOf>*</mirrorOf>
                  <name>aliyun spring</name>
                  <url>https://maven.aliyun.com/repository/spring</url>
            </mirror>

            <mirror>
                  <id>aliyun-spring-plugin</id>
                  <mirrorOf>*</mirrorOf>
                  <name>aliyun spring-plugin</name>
                  <url>https://maven.aliyun.com/repository/spring-plugin</url>
            </mirror>

            <mirror>
                  <id>aliyun-apache-snapshots</id>
                  <mirrorOf>*</mirrorOf>
                  <name>aliyun apache-snapshots</name>
                  <url>https://maven.aliyun.com/repository/apache-snapshots</url>
            </mirror>

            <mirror>
                  <id>aliyun-google</id>
                  <mirrorOf>*</mirrorOf>
                  <name>aliyun google</name>
                  <url>https://maven.aliyun.com/repository/google</url>
            </mirror>

            <mirror>
                  <id>aliyun-gradle-plugin</id>
                  <mirrorOf>*</mirrorOf>
                  <name>aliyun gradle-plugin</name>
                  <url>https://maven.aliyun.com/repository/gradle-plugin</url>
            </mirror>

            <mirror>
                  <id>aliyun-jcenter</id>
                  <mirrorOf>*</mirrorOf>
                  <name>aliyun jcenter</name>
                  <url>https://maven.aliyun.com/repository/jcenter</url>
            </mirror>

            <mirror>
                  <id>aliyun-releases</id>
                  <mirrorOf>*</mirrorOf>
                  <name>aliyun releases</name>
                  <url>https://maven.aliyun.com/repository/releases</url>
            </mirror>

            <mirror>
                  <id>aliyun-snapshots</id>
                  <mirrorOf>*</mirrorOf>
                  <name>aliyun snapshots</name>
                  <url>https://maven.aliyun.com/repository/snapshots</url>
            </mirror>  

            <mirror>
                  <id>aliyun-grails-core</id>
                  <mirrorOf>*</mirrorOf>
                  <name>aliyun grails-core</name>
                  <url>https://maven.aliyun.com/repository/grails-core</url>
            </mirror>

            <mirror>
                  <id>aliyun-mapr-public</id>
                  <mirrorOf>*</mirrorOf>
                  <name>aliyun mapr-public</name>
                  <url>https://maven.aliyun.com/repository/mapr-public</url>
            </mirror>
      </mirrors>
</settings>