maven的使用

windows安装maven

maven与jdk对应关系

https://maven.apache.org/docs/history.html

选择更多版本

载并解压

https://maven.apache.org/download.cgi

配置

测试

mvn -v

一个简单且完整的配置

<?xml version="1.0" encoding="UTF-8"?>
<settings xmlns="http://maven.apache.org/SETTINGS/1.2.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.2.0 https://maven.apache.org/xsd/settings-1.2.0.xsd">
  <pluginGroups>
  </pluginGroups>
  <proxies>
  </proxies>
  <servers>
  </servers>
  <mirrors>
    <mirror>  
      <id>alimaven</id>   
      <name>aliyun maven</name>     
      <url>http://maven.aliyun.com/nexus/content/groups/public/</url>  
      <mirrorOf>central</mirrorOf>  
    </mirror>
  </mirrors>
  <profiles>
  </profiles>
</settings>

使用

maven使用本地jar包

<dependency>
    <groupId>org.postgresql</groupId>
    <artifactId>postgresql</artifactId>
    <!--依赖范围-->
    <scope>system</scope>
    <version>1.0-SNAPSHOT</version>
    <!--依赖所在位置-->
    <systemPath>${project.basedir}/src/main/resources/lib/postgresql.jar</systemPath>
</dependency>