前言：有一个要求就是说不能使用明文密码，需要对 settings.xml 文件中的password密码进行加密

maven版本: 3.6.3

原始配置是没有对密码进行加密的

<server>
   <id>gleam-repo</id>
   <username>admin</username>
   <password>admin123</password>
 </server>
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加密

这是接下来需要用到的两个命令

mvn --encrypt-master-password "加盐值"
mvn --encrypt-password "需要加密的密码"
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1 获取加密盐值

输入 mvn --encrypt-master-password 回车然后输入给密码加盐的盐值

2 将加密盐值放到指定文件

然后将上面获取到的加密盐值放到 当前登录用户名\.m2\settings-security.xml 的这个文件的 master 标签内，没有这个文件就新建，以下是这个文件的完整内容

<!-- 
maven安全配置文件(如果没有就手动创建), 内容如下
linux下路径:  ~/.m2/settings-security.xml
window下路径:  %USERPROFILE%\.m2\settings-security.xml
window下路径:  当前登录用户名\.m2\settings-security.xml

%USERPROFILE% 指当前登录windows的用户, 比如我当前登录的账号是admin
完整示例: C:\Users\admin\.m2
-->
<settingsSecurity>
    <!-- master的值为 mvn encrypt-master-password 生成的密文-->
    <master>{2yB41Sc3/uUHseN39zLQB+14crvBhxsQRaXWgOTjdy8=}</master>
</settingsSecurity>
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3 给密码进行加密

输入 mvn --encrypt-password 回车然后输入要加密的仓库密码，比如我的就输入 admin123，然后回车得到的密码就是加密后的密码

4 替换明文密码

替换 settings.xml 中的password即可

<server>
	<id>gleam-repo</id>
	<username>admin</username>
	<password>{TVKDNf7AL24H6+DZZwlMsc7DCGp+98I0Fa/ZSYTQ4v8=}</password>
</server>
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maven配置中央仓库的完整配置

<?xml version="1.0" encoding="UTF-8"?>
<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 http://maven.apache.org/xsd/settings-1.0.0.xsd">
  <!-- localRepository
   | The path to the local repository maven will use to store artifacts.
   |
   | Default: ${user.home}/.m2/repository
  <localRepository>/path/to/local/repo</localRepository>
  -->
  <!-- 本地仓库位置 -->
  <localRepository>C:\environment\apache-maven-3.6.3\maven-repo</localRepository>

  <!-- pluginGroups
   | This is a list of additional group identifiers that will be searched when resolving plugins by their prefix, i.e.
   | when invoking a command line like "mvn prefix:goal". Maven will automatically add the group identifiers
   | "org.apache.maven.plugins" and "org.codehaus.mojo" if these are not already contained in the list.
   |-->
  <pluginGroups>
    <!-- pluginGroup
     | Specifies a further group identifier to use for plugin lookup.
    <pluginGroup>com.your.plugins</pluginGroup>
    -->
  </pluginGroups>

  <!-- proxies
   | This is a list of proxies which can be used on this machine to connect to the network.
   | Unless otherwise specified (by system property or command-line switch), the first proxy
   | specification in this list marked as active will be used.
   |-->
  <proxies>
    <!-- proxy
     | Specification for one proxy, to be used in connecting to the network.
     |
    <proxy>
      <id>optional</id>
      <active>true</active>
      <protocol>http</protocol>
      <username>proxyuser</username>
      <password>proxypass</password>
      <host>proxy.host.net</host>
      <port>80</port>
      <nonProxyHosts>local.net|some.host.com</nonProxyHosts>
    </proxy>
    -->
  </proxies>

  <!-- servers
   | This is a list of authentication profiles, keyed by the server-id used within the system.
   | Authentication profiles can be used whenever maven must make a connection to a remote server.
   |-->
  <servers>
    <!-- 配置仓库的用户名密码, 下面要使用这个id即可 -->
    <server>
      <id>gleam-repo</id>
      <username>admin</username>
      <password>{TVKDNf7AL24H6+DZZwlMsc7DCGp+98I0Fa/ZSYTQ4v8=}</password>
    </server>
  </servers>

  <!-- mirrors
   | This is a list of mirrors to be used in downloading artifacts from remote repositories.
   |
   | It works like this: a POM may declare a repository to use in resolving certain artifacts.
   | However, this repository may have problems with heavy traffic at times, so people have mirrored
   | it to several places.
   |
   | That repository definition will have a unique id, so we can create a mirror reference for that
   | repository, to be used as an alternate download site. The mirror site will be the preferred
   | server for that repository.
   |-->
  <mirrors>
    <mirror>
      <!-- 使用server中的id, 这里不需要再配置用户的账号和密码了 -->
      <id>gleam-repo</id>
      <name>zz-repo</name>
      <url>http://192.112.113.77:9921/nexus/content/groups/maven-public/</url>
      <mirrorOf>*</mirrorOf>       
    </mirror>

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

  <profiles>
    <profile>
      <id>aliyun</id> 
      <repositories>
        <repository>
          <id>aliyun</id>
          <url>https://maven.aliyun.com/repository/public</url>
          <releases>
            <enabled>true</enabled>
          </releases>
          <snapshots>
            <enabled>true</enabled>
          </snapshots>
        </repository>
      </repositories>
    </profile>

    <profile>
		<id>dev</id>
		<repositories>
		  <repository>
	          <!-- 使用server中的id, 这里不需要再配置用户的账号和密码了 -->
	          <id>gleam-repo</id>
	          <url>http://192.112.113.77:9921/nexus/content/groups/maven-public/</url>
	          <releases>
	            <enabled>true</enabled>
	          </releases>
	          <snapshots>
	            <enabled>true</enabled>
	          </snapshots>
		  </repository>
		</repositories>
		<pluginRepositories>
			<pluginRepository>
				<id>gleam-repo</id>
				<name>deployment</name>
				<url>http://192.112.113.77:9921/nexus/content/groups/maven-public/</url>
			</pluginRepository>
		</pluginRepositories>
		</profile>

  </profiles>

  <activeProfiles>
    <!-- 需要激活的配置, 填profile中的id即可 -->
    <activeProfile>aliyun</activeProfile>
    <activeProfile>dev</activeProfile>
  </activeProfiles>
</settings>

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