Maven的标准settings.xml文件

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<?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">       <!-- 本地仓库的位置 -->     <localRepository>${user.home}/.m2/repository</localRepository>         <!-- Apache Maven 配置 -->     <pluginGroups/>     <proxies/>       <!-- 私服发布的用户名密码 -->     <servers>         <server>             <id>releases</id>             <username>deployment</username>             <password>He2019</password>         </server>         <server>             <id>snapshots</id>             <username>deployment</username>             <password>He2019</password>         </server>     </servers>           <!-- 阿里云镜像 -->     <mirrors>         <mirror>             <id>alimaven</id>             <name>aliyun maven</name>             <!-- https://maven.aliyun.com/repository/public/ -->             <url>http://maven.aliyun.com/nexus/content/groups/public/</url>             <mirrorOf>central</mirrorOf>         </mirror>     </mirrors>       <!-- 配置: java8, 先从阿里云下载, 没有再去私服下载  -->     <!-- 20190929 hepengju 测试结果: 影响下载顺序的是profiles标签的配置顺序(后面配置的ali仓库先下载), 而不是activeProfiles的顺序 -->     <profiles>         <!-- 全局JDK1.8配置 -->         <profile>             <id>jdk1.8</id>             <activation>                 <activeByDefault>true</activeByDefault>                 <jdk>1.8</jdk>             </activation>             <properties>                 <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>                 <maven.compiler.source>1.8</maven.compiler.source>                 <maven.compiler.target>1.8</maven.compiler.target>                 <maven.compiler.compilerVersion>1.8</maven.compiler.compilerVersion>             </properties>         </profile>                     <!-- Nexus私服配置: 第三方jar包下载, 比如oracle的jdbc驱动等 -->         <profile>             <id>dev</id>             <repositories>                 <repository>                     <id>nexus</id>                     <url>http://nexus.hepengju.cn:8081/nexus/content/groups/public/</url>                     <releases>                         <enabled>true</enabled>                     </releases>                     <snapshots>                         <enabled>true</enabled>                     </snapshots>                 </repository>             </repositories>             <pluginRepositories>                 <pluginRepository>                     <id>public</id>                     <name>Public Repositories</name>                     <url>http://nexus.hepengju.cn:8081/nexus/content/groups/public/</url>                 </pluginRepository>             </pluginRepositories>         </profile>                   <!-- 阿里云配置: 提高国内的jar包下载速度 -->         <profile>             <id>ali</id>             <repositories>                 <repository>                     <id>alimaven</id>                     <name>aliyun maven</name>                     <url>http://maven.aliyun.com/nexus/content/groups/public/</url>                     <releases>                         <enabled>true</enabled>                     </releases>                     <snapshots>                         <enabled>true</enabled>                     </snapshots>                 </repository>             </repositories>             <pluginRepositories>                 <pluginRepository>                     <id>alimaven</id>                     <name>aliyun maven</name>                     <url>http://maven.aliyun.com/nexus/content/groups/public/</url>                 </pluginRepository>             </pluginRepositories>         </profile>       </profiles>           <!-- 激活配置 -->     <activeProfiles>         <activeProfile>jdk1.8</activeProfile>         <activeProfile>dev</activeProfile>         <activeProfile>ali</activeProfile>     </activeProfiles> </settings>

　　

　　1. 默认jdk采用java8

　　2. 配置阿里云镜像和私服镜像, 并且先从阿里云下载, 下载不到的再去私服下载