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先准备私库地址：
http://localhost:8081/nexus3/repository/maven-releases
http://localhost:8081/nexus3/repository/maven-snapshots
假如现需要将私有的jar发布到私库,步骤过程如下：

一、pom.xml引入

如果发布到releases私库(与build标签平级放入)

    <distributionManagement><repository><id>releases</id><url>http://localhost:8081/nexus3/repository/maven-releases/</url></repository></distributionManagement>

如果发布到snapshots私库(与build标签平级放入)

    <distributionManagement><snapshotRepository><id>snapshots</id><url>http://localhost:8081/nexus3/repository/maven-snapshots/</url></snapshotRepository></distributionManagement>

二、Maven的settings.xml

在servers标签下增加如下配置,配置发布到私库的账号和密码（如nexus3的账号admin和密码admin123）

    <server><id>releases</id><username>admin</username><password>admin123</password></server><server><id>snapshots</id><username>admin</username><password>admin123</password></server>

三、pom.xml中添加源码插件

	<properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><java.version>1.8</java.version></properties>

			<!-- 编译插件 --><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><configuration><encoding>${project.build.sourceEncoding}</encoding><source>${java.version}</source><target>${java.version}</target><compilerArgs><arg>-parameters</arg></compilerArgs></configuration></plugin><!-- Source attach plugin --><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-source-plugin</artifactId><executions><execution><id>attach-sources</id><goals><goal>jar</goal></goals></execution></executions></plugin>

四、执行发布命令

mvn clean deploy