Maven download and installation

1、 Maven concept

Development process: make -- > ant -- > Maven -- > gradle

function

effect

Agreed configuration:

Maven advocates the use of a common standard directory structure. Maven's use convention is better than configuration. We should abide by this directory structure as much as possible:

2、 Using maven

Note: Java environment must be guaranteed before use, otherwise it will fail

download

Official website: http://maven.apache.org/

1. Enter the official website and click download

2. Download the latest version as 3.6 3. Download the latest version and directly click apache-maven-3.6 3-bin. zip

3. To download other versions, click archives below

4. After entering, select the version to download

5. Choose to download maven-3 / 3.6 one

6. Click binaries/

7. Select apache-maven-3.6 1-bin. Zip. After that, get the installation package

install

Select a directory and unzip the downloaded Maven package

Configure Maven warehouse

1. Open conf / settings in this directory XML file

2. Under the Settings tab, add

<localRepository>E:/Maven/repository</localRepository>

Add remote warehouse image

Find the mirrors tag and add it below:

<mirrors>

	<!-- 阿里云仓库 -->
	<mirror>
		<id>nexus-aliyun</id>
		<mirrorOf>central</mirrorOf>
		<name>Nexus aliyun</name>
		<url>http://maven.aliyun.com/nexus/content/groups/public</url>
	</mirror> 
	
	<!-- 中央仓库1 -->
	<mirror>
		<id>repo1</id>
		<mirrorOf>central</mirrorOf>
		<name>Human Readable Name for this Mirror.</name>
		<url>http://repo1.maven.org/maven2/</url>
	</mirror>

	<!-- 中央仓库2 -->
	<mirror>
		<id>repo2</id>
		<mirrorOf>central</mirrorOf>
		<name>Human Readable Name for this Mirror.</name>
		<url>http://repo2.maven.org/maven2/</url>
	</mirror>

  </mirrors>

Specifies the JDK version of Maven

Add below the label:

<profile>     
		<id>JDK-1.8</id>       
		<activation>       
			<activeByDefault>true</activeByDefault>       
			<jdk>1.8</jdk>       
		</activation>       
		<properties>       
			<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>

Configure Maven environment variables

Open the computer's environment variable configuration: right click my computer open properties to open advanced system settings

Find the environment variable settings and click

Click New in the system variable to fill in:

Variable name: maven_ HOME

Variable value: e: \ maven \ apache-maven-3.6 1 is the directory of Maven you unzipped

Next, configure the path: find the path in the system variable, double-click to open it, and then click new add:% Maven_ Home% \ bin, click OK when finished

Verify that Maven configuration is complete

Run CMD with Win + R

Enter MVN - version or MVN - V, and the following shows that Maven has been configured