针对公司内网私服仓库，私服仓库不能访问外网，此时无法在私服仓库代理阿里的maven仓库。我们的maven就需要配置多个仓库（maven目录下的conf/settings.xml配置文件）：
一、多仓库配置
1、在profiles标签内新建profile，配置一个公司的仓库和阿里的仓库；
<profile><id>nexus</id><repositories><repository><id>maven-releases</id><url>http://192.168.0.54:8899/ajco/repository/maven-releases/</url><releases><enabled>true</enabled><updatePolicy>always</updatePolicy> </releases><snapshots><enabled>true</enabled><updatePolicy>always</updatePolicy></snapshots></repository><repository><id>maven-snapshots</id><url>http://192.168.0.54:8899/ajco/repository/maven-snapshots/</url><releases><enabled>true</enabled><updatePolicy>always</updatePolicy> </releases><snapshots><enabled>true</enabled><updatePolicy>always</updatePolicy></snapshots></repository></repositories><pluginRepositories><pluginRepository><id>maven-releases</id><url>http://192.168.0.54:8899/ajco/repository/maven-releases/</url><releases><enabled>true</enabled><updatePolicy>always</updatePolicy></releases><snapshots><enabled>true</enabled><updatePolicy>always</updatePolicy></snapshots></pluginRepository><pluginRepository><id>maven-snapshots</id><url>http://192.168.0.54:8899/ajco/repository/maven-snapshots/</url><releases><enabled>true</enabled><updatePolicy>always</updatePolicy></releases><snapshots><enabled>true</enabled><updatePolicy>always</updatePolicy></snapshots></pluginRepository></pluginRepositories></profile><profile><id>aliyun</id><repositories><repository><id>central</id><url>http://maven.aliyun.com/nexus/content/groups/public/</url></repository></repositories><pluginRepositories><pluginRepository><id>central</id><url>http://maven.aliyun.com/nexus/content/groups/public/</url></pluginRepository></pluginRepositories></profile>2、在activeProfiles标签内配置activeProfile，激活上面的仓库，activeProfile里的值对应上面profile里的id值
<activeProfile>nexus</activeProfile><activeProfile>aliyun</activeProfile>说明：
1.这里aliyun仓库的id设置为central，则会覆盖maven里默认的远程仓库。
2.aliyun的仓库也可以不用配置，直接在mirrors标签内配置一个镜像仓库，mirrors镜像仓库mirrorOf的值设置为central，则也可以实现覆盖默认的仓库
<mirror><id>alimaven</id><mirrorOf>central</mirrorOf><name>aliyun maven</name><url>http://maven.aliyun.com/nexus/content/repositories/central/</url></mirror>二、配置maven deploy
1、在servers标签内新建server标签，定义一个登录私服的账号密码配置；
<server><id>deploymentRepo</id><username>repouser</username><password>repopwd</password></server>2、项目的pom.xml文件加入如下配置，id对应上面的server里的id，表示deploy时上传到下面的仓库，用上面的账号密码；
<distributionManagement><repository><id>deploymentRepo</id><url>http://192.168.0.54:8899/ajco/repository/maven-releases/</url></repository><snapshotRepository><id>deploymentRepo</id><url>http://192.168.0.54:8899/ajco/repository/maven-snapshots/</url></snapshotRepository></distributionManagement>
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