maven安装与配置

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Maven的安装与配置

一、安装本地Maven

  1. 点此进入maven官网下载

  2. 选择左侧Download
    在这里插入图片描述

  3. 点击箭头所指的链接进行下载,本文采用3.5.4进行安装

  4. 在这里插入图片描述

  1. 下载完成后,选择一个路径进行解压(本文选用  D:\\JAVA\\apache-maven-3.5.4  路径)

  2. 然后配置path环境变量,如图

  • 系统变量:MAVEN_HOME =D:\\JAVA\\apache-maven-3.5.4
  • 系统变量:path = %MAVEN_HOME%\\bin
    MAVEN_HOME:

     

     path:

在这里插入图片描述

  1. 然后win+R 运行cmd 输入 mvn -version,如图所示则配置成功

 

 (本文采用3.5.4版本安装)

二、配置settings文件

  1. 在D:\\JAVA\\apache-maven-3.5.4\\conf下可以找到settings文件,打开(嫌麻烦的直接看最后一步)

  2. 找到第52行,这里是maven默认的仓库
    在这里插入图片描述

  3. 我们复制第53行

<localRepository>/path/to/local/repo</localRepository>

 

将它拿到注释外并将中间的内容改成你需要的路径,如图

<localRepository>D:/JAVA/maven-repository</localRepository>

 

这里的路径随便设置,注意这里是正斜杠

 

 

  1. 因为国外的服务器下载jar包很慢所以我们改为阿里云服务器(大约在150行左右),这两个仓库只用选一个
 1  <!-- 阿里云仓库 -->
 2         <mirror>
 3             <id>alimaven</id>
 4             <mirrorOf>central</mirrorOf>
 5             <name>aliyun maven</name>
 6             <url>http://maven.aliyun.com/nexus/content/repositories/central/</url>
 7         </mirror>
 8      或者
 9       <mirror>
10         <id>nexus-aliyun</id>
11         <mirrorOf>*</mirrorOf>
12         <name>Nexus aliyun</name>
13         <url>http://maven.aliyun.com/nexus/content/groups/public</url>
14      </mirror>

 

  1. 如图,要夹在两个mirrors标签之间

     

     

     

  2. 在最后配置jdk,也要夹在两个profiles标签之间

 1 <!—java版本 --> 
 2 <profile>
 3       <id>jdk-1.8</id>
 4       <activation>
 5         <activeByDefault>true</activeByDefault>
 6         <jdk>1.8</jdk>
 7       </activation>
 8 
 9       <properties>
10         <maven.compiler.source>1.8</maven.compiler.source>
11         <maven.compiler.target>1.8</maven.compiler.target>
12         <maven.compiler.compilerVersion>1.8</maven.compiler.compilerVersion>
13       </properties>
14 </profile>

在这里插入图片描述

  1. 配置完成,在命令行输入mvn help:system测试,看到下载链接里面是ailiyun的链接表示配置成功

  2.  

     

  3.  

     

  4. 嫌麻烦的直接复制配置文件的内容即可,不过路径还是要改(参考第3步)

  1 <?xml version="1.0" encoding="UTF-8"?>
  2 
  3 <!--
  4 Licensed to the Apache Software Foundation (ASF) under one
  5 or more contributor license agreements.  See the NOTICE file
  6 distributed with this work for additional information
  7 regarding copyright ownership.  The ASF licenses this file
  8 to you under the Apache License, Version 2.0 (the
  9 "License"); you may not use this file except in compliance
 10 with the License.  You may obtain a copy of the License at
 11 
 12     http://www.apache.org/licenses/LICENSE-2.0
 13 
 14 Unless required by applicable law or agreed to in writing,
 15 software distributed under the License is distributed on an
 16 "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 17 KIND, either express or implied.  See the License for the
 18 specific language governing permissions and limitations
 19 under the License.
 20 -->
 21 
 22 <!--
 23  | This is the configuration file for Maven. It can be specified at two levels:
 24  |
 25  |  1. User Level. This settings.xml file provides configuration for a single user,
 26  |                 and is normally provided in ${user.home}/.m2/settings.xml.
 27  |
 28  |                 NOTE: This location can be overridden with the CLI option:
 29  |
 30  |                 -s /path/to/user/settings.xml
 31  |
 32  |  2. Global Level. This settings.xml file provides configuration for all Maven
 33  |                 users on a machine (assuming they\'re all using the same Maven
 34  |                 installation). It\'s normally provided in
 35  |                 ${maven.conf}/settings.xml.
 36  |
 37  |                 NOTE: This location can be overridden with the CLI option:
 38  |
 39  |                 -gs /path/to/global/settings.xml
 40  |
 41  | The sections in this sample file are intended to give you a running start at
 42  | getting the most out of your Maven installation. Where appropriate, the default
 43  | values (values used when the setting is not specified) are provided.
 44  |
 45  |-->
 46 <settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
 47           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 48           xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
 49   <!-- localRepository
 50    | The path to the local repository maven will use to store artifacts.
 51    |
 52    | Default: ${user.home}/.m2/repository
 53   <localRepository>/path/to/local/repo</localRepository>
 54   -->
 55 <localRepository>F:/repository</localRepository>·
 56   <!-- interactiveMode
 57    | This will determine whether maven prompts you when it needs input. If set to false,
 58    | maven will use a sensible default value, perhaps based on some other setting, for
 59    | the parameter in question.
 60    |
 61    | Default: true
 62   <interactiveMode>true</interactiveMode>
 63   -->
 64 
 65   <!-- offline
 66    | Determines whether maven should attempt to connect to the network when executing a build.
 67    | This will have an effect on artifact downloads, artifact deployment, and others.
 68    |
 69    | Default: false
 70   <offline>false</offline>
 71   -->
 72 
 73   <!-- pluginGroups
 74    | This is a list of additional group identifiers that will be searched when resolving plugins by their prefix, i.e.
 75    | when invoking a command line like "mvn prefix:goal". Maven will automatically add the group identifiers
 76    | "org.apache.maven.plugins" and "org.codehaus.mojo" if these are not already contained in the list.
 77    |-->
 78   <pluginGroups>
 79     <!-- pluginGroup
 80      | Specifies a further group identifier to use for plugin lookup.
 81     <pluginGroup>com.your.plugins</pluginGroup>
 82     -->
 83   </pluginGroups>
 84 
 85   <!-- proxies
 86    | This is a list of proxies which can be used on this machine to connect to the network.
 87    | Unless otherwise specified (by system property or command-line switch), the first proxy
 88    | specification in this list marked as active will be used.
 89    |-->
 90   <proxies>
 91     <!-- proxy
 92      | Specification for one proxy, to be used in connecting to the network.
 93      |
 94     <proxy>
 95       <id>optional</id>
 96       <active>true</active>
 97       <protocol>http</protocol>
 98       <username>proxyuser</username>
 99       <password>proxypass</password>
100       <host>proxy.host.net</host>
101       <port>80</port>
102       <nonProxyHosts>local.net|some.host.com</nonProxyHosts>
103     </proxy>
104     -->
105   </proxies>
106 
107   <!-- servers
108    | This is a list of authentication profiles, keyed by the server-id used within the system.
109    | Authentication profiles can be used whenever maven must make a connection to a remote server.
110    |-->
111   <servers>
112     <!-- server
113      | Specifies the authentication information to use when connecting to a particular server, identified by
114      | a unique name within the system (referred to by the \'id\' attribute below).
115      |
116      | NOTE: You should either specify username/password OR privateKey/passphrase, since these pairings are
117      |       used together.
118      |
119     <server>
120       <id>deploymentRepo</id>
121       <username>repouser</username>
122       <password>repopwd</password>
123     </server>
124     -->
125 
126     <!-- Another sample, using keys to authenticate.
127     <server>
128       <id>siteServer</id>
129       <privateKey>/path/to/private/key</privateKey>
130       <passphrase>optional; leave empty if not used.</passphrase>
131     </server>
132     -->
133   </servers>
134 
135   <!-- mirrors
136    | This is a list of mirrors to be used in downloading artifacts from remote repositories.
137    |
138    | It works like this: a POM may declare a repository to use in resolving certain artifacts.
139    | However, this repository may have problems with heavy traffic at times, so people have mirrored
140    | it to several places.
141    |
142    | That repository definition will have a unique id, so we can create a mirror reference for that
143    | repository, to be used as an alternate download site. The mirror site will be the preferred
144    | server for that repository.
145    |-->
146   
147     <!-- mirror
148     <mirrors>
149      | Specifies a repository mirror site to use instead of a given repository. The repository that
150      | this mirror serves has an ID that matches the mirrorOf element of this mirror. IDs are used
151      | for inheritance and direct lookup purposes, and must be unique across the set of mirrors.
152      |
153     <mirror>
154       <id>mirrorId</id>
155       <mirrorOf>repositoryId</mirrorOf>
156       <name>Human Readable Name for this Mirror.</name>
157       <url>http://my.repository.com/repo/path</url>
158     </mirror>
159      </mirrors>
160      -->
161      <!-- 阿里云仓库 -->
162  <mirrors>
163      <mirror>
164             <id>nexus-aliyun</id>
165             <mirrorOf>*</mirrorOf>
166             <name>Nexus aliyun</name>
167             <url>http://maven.aliyun.com/nexus/content/groups/public</url>
168     </mirror>
169 
170 <!-- 中央仓库1 -->
171         <mirror>
172             <id>repo1</id>
173             <mirrorOf>central</mirrorOf>
174             <name>Human Readable Name for this Mirror.</name>
175             <url>http://repo1.maven.org/maven2/</url>
176         </mirror>
177     
178         <!-- 中央仓库2 -->
179         <mirror>
180             <id>repo2</id>
181             <mirrorOf>central</mirrorOf>
182             <name>Human Readable Name for this Mirror.</name>
183             <url>http://repo2.maven.org/maven2/</url>
184         </mirror>
185 
186 </mirrors>
187   <!-- profiles
188    | This is a list of profiles which can be activated in a variety of ways, and which can modify
189    | the build process. Profiles provided in the settings.xml are intended to provide local machine-
190    | specific paths and repository locations which allow the build to work in the local environment.
191    |
192    | For example, if you have an integration testing plugin - like cactus - that needs to know where
193    | your Tomcat instance is installed, you can provide a variable here such that the variable is
194    | dereferenced during the build process to configure the cactus plugin.
195    |
196    | As noted above, profiles can be activated in a variety of ways. One way - the activeProfiles
197    | section of this document (settings.xml) - will be discussed later. Another way essentially
198    | relies on the detection of a system property, either matching a particular value for the property,
199    | or merely testing its existence. Profiles can also be activated by JDK version prefix, where a
200    | value of \'1.4\' might activate a profile when the build is executed on a JDK version of \'1.4.2_07\'.
201    | Finally, the list of active profiles can be specified directly from the command line.
202    |
203    | NOTE: For profiles defined in the settings.xml, you are restricted to specifying only artifact
204    |       repositories, plugin repositories, and free-form properties to be used as configuration
205    |       variables for plugins in the POM.
206    |
207    |-->
208     <!-- profile
209     <profiles>
210      | Specifies a set of introductions to the build process, to be activated using one or more of the
211      | mechanisms described above. For inheritance purposes, and to activate profiles via <activatedProfiles/>
212      | or the command line, profiles have to have an ID that is unique.
213      |
214      | An encouraged best practice for profile identification is to use a consistent naming convention
215      | for profiles, such as \'env-dev\', \'env-test\', \'env-production\', \'user-jdcasey\', \'user-brett\', etc.
216      | This will make it more intuitive to understand what the set of introduced profiles is attempting
217      | to accomplish, particularly when you only have a list of profile id\'s for debug.
218      |
219      | This profile example uses the JDK version to trigger activation, and provides a JDK-specific repo.
220     <profile>
221       <id>jdk-1.4</id>
222 
223       <activation>
224         <jdk>1.4</jdk>
225       </activation>
226 
227       <repositories>
228         <repository>
229           <id>jdk14</id>
230           <name>Repository for JDK 1.4 builds</name>
231           <url>http://www.myhost.com/maven/jdk14</url>
232           <layout>default</layout>
233           <snapshotPolicy>always</snapshotPolicy>
234         </repository>
235       </repositories>
236     </profile>
237     -->
238 
239     <!--
240      | Here is another profile, activated by the system property \'target-env\' with a value of \'dev\',
241      | which provides a specific path to the Tomcat instance. To use this, your plugin configuration
242      | might hypothetically look like:
243      |
244      | ...
245      | <plugin>
246      |   <groupId>org.myco.myplugins</groupId>
247      |   <artifactId>myplugin</artifactId>
248      |
249      |   <configuration>
250      |     <tomcatLocation>${tomcatPath}</tomcatLocation>
251      |   </configuration>
252      | </plugin>
253      | ...
254      |
255      | NOTE: If you just wanted to inject this configuration whenever someone set \'target-env\' to
256      |       anything, you could just leave off the <value/> inside the activation-property.
257      |
258     <profile>
259       <id>env-dev</id>
260 
261       <activation>
262         <property>
263           <name>target-env</name>
264           <value>dev</value>
265         </property>
266       </activation>
267 
268       <properties>
269         <tomcatPath>/path/to/tomcat/instance</tomcatPath>
270       </properties>
271     </profile>
272       
273     -->
274 <profiles>
275 <profile>
276       <id>jdk-1.8</id>
277       <activation>
278         <activeByDefault>true</activeByDefault>
279         <jdk>1.8</jdk>
280       </activation>
281 
282       <properties>
283         <maven.compiler.source>1.8</maven.compiler.source>
284         <maven.compiler.target>1.8</maven.compiler.target>
285         <maven.compiler.compilerVersion>1.8</maven.compiler.compilerVersion>
286       </properties>
287 </profile>
288 </profiles>
289 
290 
291 
292   <!-- activeProfiles
293    | List of profiles that are active for all builds.
294    |
295   <activeProfiles>
296     <activeProfile>alwaysActiveProfile</activeProfile>
297     <activeProfile>anotherAlwaysActiveProfile</activeProfile>
298   </activeProfiles>
299   -->
300 </settings>

到此,settings.xml全部修改完成

 

下面进行IDEA中maven本地库的配置:

1、选择设置

 

 2、搜索maven,配置maven版本,本地仓以及settings.xml的路径。

 

 选择应用,配置完成。

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