Maven快速入门

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更多内容请参考官方文档：http://maven.apache.org/guides/index.html

官方文档很详细，基本上可以查找到一切相关的内容。

（一）搭建环境
1、下载maven，并将之解压
或者直接使用yum 来安装

2、配置环境变量
export PATH=/home/jediael/setupfile/apache-maven-3.1.1/bin:$PATH

3、验证环境
[jediael@master maven_demo]$ mvn -v
Apache Maven 3.1.1 (0728685237757ffbf44136acec0402957f723d9a; 2013-09-17 23:22:22+0800)
Maven home: /home/jediael/setupfile/apache-maven-3.1.1
Java version: 1.7.0_51, vendor: Oracle Corporation
Java home: /usr/java/jdk1.7.0_51/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "2.6.32-431.17.1.el6.x86_64", arch: "amd64", family: "unix"

（二）项目编写
1、建立如下目录结构
[jediael@master maven_demo]$ tree
.
├── pom.xml
└── src
    ├── main
    │   └── java
    │       └── com
    │           └── ljh
    │               └── mavendemo
    │                   └── HelloMaven.java
    └── test
        └── java
            └── com
                └── ljh
                    └── mavendemo
                        └── HelloMavenTest.java

11 directories, 3 files

2、HelloMaven.java内容如下
package com.ljh.mavendemo;
public class HelloMaven{
    public String sayHello(String s){
        return "hello:"+s;
    }
    public static void main(String[] args){
        HelloMaven hm = new HelloMaven();
        System.out.println(hm.sayHello("maven"));
    }

}

3、HelloMavenTest.java内容如下：
package com.ljh.mavendemo;

import org.junit.*;
import static org.junit.Assert.*;
public class HelloMavenTest{
    
    @Test
    public void testSayHello(){
        HelloMaven hm = new HelloMaven();
        assertEquals("hello:Jason",hm.sayHello("Jason"));
   }
}

4、pox.xml内容如下：
<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.ljh.mvn</groupId>
  <artifactId>mavendemo</artifactId>
  <packaging>jar</packaging>
  <version>1.0-SNAPSHOT</version>
  <name>mavendeom</name>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.10</version>
      <scope>test</scope>
    </dependency>
  </dependencies>
</project>


（三）运行项目
1、编译项目
$ mvn compile

2、运行测试
$ mvn test

3、也可以对项目直接打包成jar包
$ mvn package
此过程也会执行test

4、若所生成的jar包中包括main方法，则可以使用以下命令执行
$ java -cp target/mavendemo-1.0-SNAPSHOT.jar com.ljh.mavendemo.HelloMaven
hello:maven

经过这些步骤后的目录结构如下：
[jediael@master maven_demo]$ tree
.
├── pom.xml
├── src
│   ├── main
│   │   └── java
│   │       └── com
│   │           └── ljh
│   │               └── mavendemo
│   │                   └── HelloMaven.java
│   └── test
│       └── java
│           └── com
│               └── ljh
│                   └── mavendemo
│                       └── HelloMavenTest.java
└── target
    ├── classes
    │   └── com
    │       └── ljh
    │           └── mavendemo
    │               └── HelloMaven.class
    ├── maven-archiver
    │   └── pom.properties
    ├── mavendemo-1.0-SNAPSHOT.jar
    ├── surefire-reports
    │   ├── com.ljh.mavendemo.HelloMavenTest.txt
    │   └── TEST-com.ljh.mavendemo.HelloMavenTest.xml
    └── test-classes
        └── com
            └── ljh
                └── mavendemo
                    └── HelloMavenTest.class

22 directories, 9 files

Maven快速入门

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原文地址：http://blog.csdn.net/jediael_lu/article/details/44986075