Maven加速配置

1.打开Idea里面的设置，找到构建工具选则Maven

2.在.m2目录（Maven安装目录）下面新建settings.xml文件把下面的配置内容复制进去

<?xml version="1.0" encoding="UTF-8"?>

<!--
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
-->
<settings xmlns="http://maven.apache.org/SETTINGS/1.2.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.2.0 https://maven.apache.org/xsd/settings-1.2.0.xsd">

  <localRepository>D:/maven_repository/</localRepository>

  <interactiveMode>true</interactiveMode>

  <offline>false</offline>

  <pluginGroups>

  </pluginGroups>

  <proxies>

  </proxies>

  <servers>

  </servers>

  <mirrors>
    <mirror>
      <id>aliyunmaven_central</id>
      <mirrorOf>central</mirrorOf>
      <name>阿里云公共仓库</name>
      <url>https://maven.aliyun.com/repository/central</url>
    </mirror>
    <mirror>
      <id>aliyunmaven_public</id>
      <mirrorOf>public</mirrorOf>
      <name>阿里云公共仓库</name>
      <url>https://maven.aliyun.com/repository/public</url>
    </mirror>
    <mirror>
      <id>aliyunmaven_apache-snapshots</id>
      <mirrorOf>apache-snapshots</mirrorOf>
      <name>阿里云公共仓库</name>
      <url>https://maven.aliyun.com/repository/apache-snapshots</url>
    </mirror>
  </mirrors>

  <profiles>
    <profile>
      <id>aliyun_spring</id>
      <activation>
        <activeByDefault>true</activeByDefault>
      </activation>
      <repository>
        <id>spring</id>
        <url>https://maven.aliyun.com/repository/spring</url>
        <releases>
          <enabled>true</enabled>
        </releases>
        <snapshots>
          <enabled>true</enabled>
        </snapshots>
      </repository>
    </profile>
  </profiles>

  <activeProfiles>
    <activeProfile>aliyun_spring</activeProfile>
  </activeProfiles>
</settings>

3.重写文件路径为刚才新增的settings.xml应用即可