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<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">
    
   <!--就是配置maven本地仓库的地址为自定义的地址-->
    <localRepository>C:\Users\abc\.m2\repository_demo</localRepository>
    <!--nexus服务器-->
     <servers>
          <server>
            <id>releases</id>
                <username>admin</username>
                <password>admin123</password>
          </server>
          <server>
            <id>snapshots</id>
            <username>admin</username>
                <password>admin123</password>
          </server>
          <server>
            <id>public</id>
            <username>admin</username>
                <password>admin123</password>
          </server>
      </servers>

    <mirrors>
        <mirror>
            <id>public</id>
            <mirrorOf>central</mirrorOf>
            <name>public central</name>
            <url>http://localhost:8081/repository/my_group/</url>
        </mirror>
    </mirrors>
    
    <profiles>
        <profile>
            <id>default</id>

    <repositories>
                <repository>
                    <id>releases</id>
                    <url>http://localhost:8081/repository/my_hosted_release/</url>
                    <releases>
                        <enabled>true</enabled>
                    </releases>
                    <snapshots>
                        <enabled>false</enabled>
                    </snapshots>
                </repository>    
                <repository>
                    <id>snapshots</id>
                    <url>http://localhost:8081/repository/my_hosted_snapshots/</url>
                    <releases>
                        <enabled>false</enabled>
                    </releases>
                    <snapshots>
                        <enabled>true</enabled>
                        <updatePolicy>always</updatePolicy>
                    </snapshots>
                </repository>            
            </repositories>

            <!--从远处仓库下载 public 包含了可以不用配置-->
             <pluginRepositories>
                <pluginRepository>
                    <id>releases</id>
                    <url>http://localhost:8081/repository/my_hosted_release/</url>
                    <releases>
                        <enabled>true</enabled>
                    </releases>
                    <snapshots>
                        <enabled>false</enabled>
                    </snapshots>
                </pluginRepository>
                <pluginRepository>
                    <id>snapshots</id>
                    <url>http://localhost:8081/repository/my_hosted_snapshots/</url>
                    <releases>
                        <enabled>false</enabled>
                    </releases>
                    <snapshots>
                        <enabled>true</enabled>
                    </snapshots>
                </pluginRepository>
            </pluginRepositories>
        </profile>
    </profiles>
    <activeProfiles>
        <activeProfile>default</activeProfile>
    </activeProfiles>
    
</settings>

 上传到私有库配置

 <!--上传到私有库-->
    <distributionManagement>
        <repository>
            <id>releases</id>
            <name>internal releases</name>
            <url>http://localhost:8081/repository/my_hosted_release/</url>
        </repository>
        <snapshotRepository>
            <id>snapshots</id>
            <name>internal snapshot</name>
            <url>http://localhost:8081/repository/my_hosted_snapshots/</url>
        </snapshotRepository>
    </distributionManagement>