Maven项目管理

Maven

环境搭建

## 下载安装包并解压
http://maven.apache.org/download.cgi
work:apache-maven-3.5.0 ys$ pwd
/Users/ys/Documents/apache-maven-3.5.0
work:apache-maven-3.5.0 ys$ ll
total 64
-rw-r--r--@  1 ys  staff  20934 Apr  4 03:41 LICENSE
-rw-r--r--@  1 ys  staff    182 Apr  4 03:40 NOTICE
-rw-r--r--@  1 ys  staff   2544 Apr  4 03:36 README.txt
drwxr-xr-x@  8 ys  staff    272 Aug 27 10:44 bin
drwxr-xr-x@  3 ys  staff    102 Aug 27 10:44 boot
drwxr-xr-x@  5 ys  staff    170 Apr  4 03:36 conf
drwxr-xr-x@ 83 ys  staff   2822 Apr  4 03:41 lib
## 配置环境变量
work:~ ys$ tail .bash_profile
export MAVEN_HOME=/Users/ys/Documents/apache-maven-3.5.0
export PATH=$PATH:/usr/local/go/bin:$MAVEN_HOME/bin
## 更新环境变量
work:~ ys$ source .bash_profile
## 检测安装是否正确
work:maven ys$ mvn -v
Apache Maven 3.5.0 (ff8f5e7444045639af65f6095c62210b5713f426; 2017-04-04T03:39:06+08:00)
Maven home: /Users/ys/Documents/apache-maven-3.5.0
Java version: 1.8.0_111, vendor: Oracle Corporation
Java home: /Library/Java/JavaVirtualMachines/jdk1.8.0_111.jdk/Contents/Home/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "mac os x", version: "10.12.6", arch: "x86_64", family: "mac"

常用命令

• mvn compile 编译源代码
• mvn test 运行测试用例
• mvn package 将项目打成jar包
• mvn clean 删除生成的target
• mvn install 安装jar包到本地仓库
• mvn archetype:generate 生成maven项目目录结构

自动创建Maven项目目录结构

mvn archetype:generate 
    -DgroupId=com.imooc.maven04 
    -DartifactId=maven04-demo 
    -Dversion=1.0-SNAPSHOT 
    -Dpackage=com.imooc.maven04.demo
work:maven04-demo ys$ ll
total 8
-rw-r--r--  1 ys  staff  763 Aug 27 14:29 pom.xml
drwxr-xr-x  4 ys  staff  136 Aug 27 14:29 src
work:maven ys$ tree maven04-demo/
maven04-demo/
├── pom.xml
└── src
    ├── main
    │   └── java
    │       └── com
    │           └── imooc
    │               └── maven04
    │                   └── demo
    │                       └── App.java
    └── test
        └── java
            └── com
                └── imooc
                    └── maven04
                        └── demo
                            └── AppTest.java
13 directories, 3 files
## 参数说明
groupId:组织名，公司网址的反写+项目名
artifactId:项目名-模块名
version:版本号
package:代码所在的包名

maven仓库

## Central Repository
http://search.maven.org/
## 修改镜像仓库地址
work:conf ys$ vim /Users/ys/Documents/apache-maven-3.5.0/conf/settings.xml
<mirror>
  <id>maven.net.cn</id>
  <mirrorOf>central</mirrorOf>
  <name>Central Mirror In China.</name>
  <url>http://maven.net.cn/content/groups/public</url>
</mirror>
## 修改本地仓库位置 (默认在当前用户下的.m2/目录下)
work:repository ys$ pwd
/Users/ys/.m2/repository
work:repository ys$ ll
total 0
drwxr-xr-x   3 ys  staff  102 Aug 27 14:21 antlr
drwxr-xr-x   3 ys  staff  102 Aug 21 17:21 aopalliance
......
drwxr-xr-x   3 ys  staff  102 Aug 21 17:20 xmlenc
## 修改完成后，新下载的包会放置该目录下
work:conf ys$ vim /Users/ys/Documents/apache-maven-3.5.0/conf/settings.xml
<localRepository>/Users/ys/Documents/maven-repo</localRepository>