比ant更强大的工具maven2之自动生成工程

maven2是在ant的基础上发展起来的，并对ant的功能进行了进一步扩充，下面将说明如何利用maven2自动生成工程结构。

 

要使用maven2，首先需要在apache的官方网站下载最新版的工具：

 

http://maven.apache.org/download.html

 

 

 

 

接下来就是配置环境变量

---

设置 MAVEN2_HOME --------》D:\maven2\maven2（指向你的maven2的安装后根目录）

设置path ----------------》D:\maven2\maven2\bin;

---

 

 

接下来准备开始建立项目：

 

新建一个文件夹作为工作目录： D:\mywork

 

1.在命令行执行如下指令：

---

mvn archetype:create 
  -DarchetypeGroupId=org.apache.maven.archetypes 
  -DgroupId=com.mycompany.app 
  -DartifactId=my-app

---

 

切换到工作目录，这时你就会发现我们的工程框架已经建立好了

---

my-app
|-- pom.xml
`-- src
    |-- main
    |   `-- java
    |       `-- com
    |           `-- mycompany
    |               `-- app
    |                   `-- App.java
    `-- test
        `-- java
            `-- com
                `-- mycompany
                    `-- app
                        `-- AppTest.java

---

 

 

 

2.生成的pom（pom.xml）文件如下

---

<project xmlns="&amp;lt;a href=" pom="" maven.apache.org=""></project> 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></modelversion>4.0.0
  <groupid></groupid>com.mycompany.app
  <artifactid></artifactid>my-app
  <packaging></packaging> jar
  <version></version>1.0-SNAPSHOT
  <name></name>my-app
  <url></url>http://maven.apache.org
  <dependencies></dependencies>
    <dependency></dependency>
      <groupid></groupid>junit
      <artifactid></artifactid>junit
      <version></version>3.8.1
      <scope></scope>test
   
 

---

 

 

 

 

 

3.下面用maven2开始编译工程：

 

mvn compile

 

 

运行结果如下：

---

[INFO] ----------------------------------------------------------------------------
[INFO] Building Maven Quick Start Archetype
[INFO]    task-segment: [compile]
[INFO] ----------------------------------------------------------------------------
[INFO] artifact org.apache.maven.plugins:maven-resources-plugin: \
  checking for updates from central
...
[INFO] artifact org.apache.maven.plugins:maven-compiler-plugin: \
  checking for updates from central
...
[INFO] [resources:resources]
...
[INFO] [compiler:compile]
Compiling 1 source file to /my-app/target/classes
[INFO] ----------------------------------------------------------------------------
[INFO] BUILD SUCCESSFUL
[INFO] ----------------------------------------------------------------------------
[INFO] Total time: 3 minutes 54 seconds
[INFO] Finished at: Fri Sep 23 15:48:34 GMT-05:00 2005
[INFO] Final Memory: 2M/6M
[INFO] ----------------------------------------------------------------------------

---

 

 

 

 

 

4.开始为工程打包

 

mvn package

 

执行结果如下：

---

D:\mywork\my-app>mvn package
[INFO] Scanning for projects...
[INFO] -------------------------------------------------------------------------
---
[INFO] Building my-app
[INFO]    task-segment: [package]
[INFO] -------------------------------------------------------------------------
---
[INFO] [resources:resources]
[INFO] Using default encoding to copy filtered resources.
Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-compiler-m
anager/1.5.3/plexus-compiler-manager-1.5.3.pom
634b downloaded
Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-compiler/1
.5.3/plexus-compiler-1.5.3.pom
1K downloaded
Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-compiler-a
pi/1.5.3/plexus-compiler-api-1.5.3.pom
624b downloaded
Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-compiler-j
avac/1.5.3/plexus-compiler-javac-1.5.3.pom
797b downloaded
Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-compilers/
1.5.3/plexus-compilers-1.5.3.pom
7K downloaded
Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-compiler-a
pi/1.5.3/plexus-compiler-api-1.5.3.jar
19K downloaded
Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-compiler-j
avac/1.5.3/plexus-compiler-javac-1.5.3.jar
13K downloaded
Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-compiler-m
anager/1.5.3/plexus-compiler-manager-1.5.3.jar
5K downloaded
[INFO] [compiler:compile]
[INFO] Compiling 1 source file to D:\mywork\my-app\target\classes

[INFO] Compiling 1 source file to D:\mywork\my-app\target\classes
[INFO] [resources:testResources]
[INFO] Using default encoding to copy filtered resources.
[INFO] [compiler:testCompile]
[INFO] Compiling 1 source file to D:\mywork\my-app\target\test-classes
Downloading: http://repo1.maven.org/maven2/org/apache/maven/surefire/surefire-bo
oter/2.3/surefire-booter-2.3.pom
1K downloaded
Downloading: http://repo1.maven.org/maven2/org/apache/maven/surefire/surefire-ap
i/2.3/surefire-api-2.3.pom
887b downloaded
Downloading: http://repo1.maven.org/maven2/org/apache/maven/surefire/surefire-bo
oter/2.3/surefire-booter-2.3.jar
28K downloaded
Downloading: http://repo1.maven.org/maven2/org/apache/maven/surefire/surefire-ap
i/2.3/surefire-api-2.3.jar
49K downloaded
[INFO] [surefire:test]
Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-container-
default/1.0-alpha-8/plexus-container-default-1.0-alpha-8.jar
190K downloaded
Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-utils/1.1/
plexus-utils-1.1.jar
164K downloaded
Downloading: http://repo1.maven.org/maven2/org/apache/maven/surefire/surefire-ju
nit/2.3/surefire-junit-2.3.pom
583b downloaded
Downloading: http://repo1.maven.org/maven2/org/apache/maven/surefire/surefire-pr
oviders/2.3/surefire-providers-2.3.pom
1K downloaded
Downloading: http://repo1.maven.org/maven2/org/apache/maven/surefire/surefire-ju
nit/2.3/surefire-junit-2.3.jar
10K downloaded
[INFO] Surefire report directory: D:\mywork\my-app\target\surefire-reports
-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running com.mycompany.app.AppTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.203 sec

Results :

Tests run: 1, Failures: 0, Errors: 0, Skipped: 0

Downloading: http://repo1.maven.org/maven2/org/apache/maven/maven-archiver/2.2/m
aven-archiver-2.2.pom
1K downloaded
Downloading: http://repo1.maven.org/maven2/org/apache/maven/shared/maven-shared-
components/3/maven-shared-components-3.pom
1K downloaded
Downloading: http://repo1.maven.org/maven2/org/apache/maven/maven-archiver/2.2/m
aven-archiver-2.2.jar
9K downloaded
[INFO] [jar:jar]
[INFO] Building jar: D:\mywork\my-app\target\my-app-1.0-SNAPSHOT.jar
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESSFUL
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2 minutes 52 seconds
[INFO] Finished at: Sun Apr 15 12:16:44 CST 2007
[INFO] Final Memory: 4M/10M
[INFO] ------------------------------------------------------------------------

---

 

 

生成文件如下：    my-app-1.0-SNAPSHOT.jar

 

 

5.将jar包放入资源库中执行如下命令：mvn install

执行结果如下：

---

[INFO] Scanning for projects...
[INFO] -------------------------------------------------------------------------
---
[INFO] Building my-app
[INFO]    task-segment: [install]
[INFO] -------------------------------------------------------------------------
---
[INFO] artifact org.apache.maven.plugins:maven-install-plugin: checking for upda
tes from central
Downloading: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-instal
l-plugin/2.1/maven-install-plugin-2.1.pom
981b downloaded
Downloading: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-plugin
-parent/2.0/maven-plugin-parent-2.0.pom
6K downloaded
Downloading: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-instal
l-plugin/2.1/maven-install-plugin-2.1.jar
8K downloaded
[INFO] [resources:resources]
[INFO] Using default encoding to copy filtered resources.
[INFO] [compiler:compile]
[INFO] Nothing to compile - all classes are up to date
[INFO] [resources:testResources]
[INFO] Using default encoding to copy filtered resources.
[INFO] [compiler:testCompile]
[INFO] Nothing to compile - all classes are up to date
[INFO] [surefire:test]
[INFO] Surefire report directory: D:\mywork\my-app\target\surefire-reports

-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running com.mycompany.app.AppTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.141 sec

Results :

Tests run: 1, Failures: 0, Errors: 0, Skipped: 0

[INFO] [jar:jar]
[INFO] Building jar: D:\mywork\my-app\target\my-app-1.0-SNAPSHOT.jar
[INFO] [install:install]
[INFO] Installing D:\mywork\my-app\target\my-app-1.0-SNAPSHOT.jar to C:\Document
s and Settings\danlley\.m2\repository\com\mycompany\app\my-app\1.0-SNAPSHOT\my-a
pp-1.0-SNAPSHOT.jar
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESSFUL
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 27 seconds
[INFO] Finished at: Sun Apr 15 12:26:32 CST 2007
[INFO] Final Memory: 5M/9M
[INFO] ------------------------------------------------------------------------

---

 

 

其中的关键部分如下：

---

Installing D:\mywork\my-app\target\my-app-1.0-SNAPSHOT.jar to C:\Documents and Settings\danlley\.m2\repository\com\mycompany\app\my-app\1.0-SNAPSHOT\my-app-1.0-SNAPSHOT.jar

---

 

说明你刚刚生成的jar包已经放到了%userhome%\.m2\repository\