idea 部署maven ，利用idea自带，修改为阿里云镜像

settings.xms

<?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>

	</servers>

	<!-- 阿里云镜像 -->
	<mirrors>
		<mirror>
			<id>alimaven</id>
			<name>aliyun maven</name>
			<!-- https://maven.aliyun.com/repository/public/ -->
			<url>https://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 -->


		<!-- 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>https://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>https://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>