pom.xml配置maven阿里云镜像地址，可以免掉maven中的配置了

配置如下：
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pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>com.ityueqiangu</groupId>
	<artifactId>ITYQG</artifactId>
	<packaging>war</packaging>
	<version>1.0-SNAPSHOT</version>

	<properties>
		<xxx.version>x.x</xxx.version>
	</properties>

	<dependencies>
		<!-- JUnit -->
		<dependency>
			<groupId>x</groupId>
			<artifactId>xx</artifactId>
			<version>${xxx.version}</version>
		</dependency>		
	</dependencies>

	<build>
	<!-- build -->
	</build>

	<--  加下面的代码，配置阿里云镜像地址!!!! -->
	<repositories>
		<repository>
			<id>aliyun</id>
			<name>aliyun</name>
			<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
			<layout>default</layout>
			<releases>
				<enabled>true</enabled>
				<updatePolicy>never</updatePolicy>
			</releases>
			<snapshots>
				<enabled>true</enabled>
				<updatePolicy>never</updatePolicy>
			</snapshots>
		</repository>
	</repositories>
	<pluginRepositories>
		<pluginRepository>
			<id>aliyun</id>
			<name>aliyun</name>
			<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
			<releases>
				<enabled>true</enabled>
			</releases>
			<snapshots>
				<enabled>false</enabled>
			</snapshots>
		</pluginRepository>
	</pluginRepositories>
</project>

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