Maven教程 - 如何将您的项目安装到Maven本地存储库

Maven教程 - 如何将您的项目安装到Maven本地存储库

当构建软件时，我们经常需要创建一些库来收集所有的函数和类在共同的一起，把编译的库文件建立路径，使编译器可以找到库编译代码时。

在Java中，这通常意味着创建一个具有库类的jar文件。

在Maven中，我们可以使用“mvn install"打包项目并自动部署到本地存储库。

当执行“安装"阶段时，将执行其之前的所有阶段，例如“验证"，“编译"，“测试"，“封装"，“积分测试"，“验证"阶段。 之后这些阶段将执行安装阶段。

mvn安装示例

以下代码显示了从maven生成的POM文件。

<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.java2s.ide</groupId>
  <artifactId>xmlFileEditor</artifactId>
  <packaging>jar</packaging>
  <version>1.0-SNAPSHOT</version>
  <name>xmlFileEditor</name>
  <url>http://maven.apache.org</url>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
  </dependencies>
</project>

基于上面的pom.xml文件，当执行“mvn install"时，它会将项目打包到jar文件中并复制到本地存储库。

它总是建议运行“干净"和“安装"在一起，以便你总是部署最新的项目到本地存储库。

mvn clean install

上述命令生成以下结果。

c:\mvn_test\xmlFileEditor>mvn clean install
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building xmlFileEditor 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ xmlFileEditor ---
[INFO] Deleting c:\mvn_test\xmlFileEditor\target
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ xmlFileEditor ---
[WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory c:\mvn_test\xmlFileEditor\src\main\resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ xmlFileEditor ---
[INFO] Changes detected - recompiling the module!
[WARNING] File encoding has not been set, using platform encoding Cp1252, i.e. build is platform dependent!
[INFO] Compiling 1 source file to c:\mvn_test\xmlFileEditor\target\classes
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ xmlFileEditor ---
[WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory c:\mvn_test\xmlFileEditor\src\test\resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ xmlFileEditor ---
[INFO] Changes detected - recompiling the module!
[WARNING] File encoding has not been set, using platform encoding Cp1252, i.e. build is platform dependent!
[INFO] Compiling 3 source files to c:\mvn_test\xmlFileEditor\target\test-classes
[INFO]
[INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ xmlFileEditor ---
[INFO] Surefire report directory: c:\mvn_test\xmlFileEditor\target\surefire-reports

-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running com.java2s.ide.AppTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec
Running com.java2s.ide.TestApp1
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec
Running com.java2s.ide.TestApp2
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec

Results :

Tests run: 3, Failures: 0, Errors: 0, Skipped: 0

[INFO]
[INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ xmlFileEditor ---
[INFO] Building jar: c:\mvn_test\xmlFileEditor\target\xmlFileEditor-1.0-SNAPSHOT.jar
[INFO]
[INFO] --- maven-install-plugin:2.4:install (default-install) @ xmlFileEditor ---
[INFO] Installing c:\mvn_test\xmlFileEditor\target\xmlFileEditor-1.0-SNAPSHOT.jar to C:\Users\abc\.m2\repository\com\java2s\ide\xmlFileEditor\1.0-SNAPSHOT\xmlFileEditor-1.0-SNAPSHOT.jar
[INFO] Installing c:\mvn_test\xmlFileEditor\pom.xml to C:\Users\abc\.m2\repository\com\java2s\ide\xmlFileEditor\1.0-SNAPSHOT\xmlFileEditor-1.0-SNAPSHOT.pom
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 6.250 s
[INFO] Finished at: 2014-11-22T10:27:10-08:00
[INFO] Final Memory: 27M/369M
[INFO] ------------------------------------------------------------------------
c:\mvn_test\xmlFileEditor>

我们可以在我们的本地maven存储库中查看已安装的jar文件。

mvn安装示例...

将jar文件安装到本地存储库之后我们通过在它们的pom.xml文件中声明以下相关性标记来访问我们部署的“jar"文件。

 

<dependency>
      <groupId>com.java2s.ide</groupId>
      <artifactId>xmlFileEditor</artifactId>
      <version>1.0-SNAPSHOT</version>
</dependency>