maven学习笔记(定制普通Java一个项目)
创建一个新项目:
mvn archetype:generate -DgroupId=cn.net.comsys.ut4.simpleweather -DartifactId=simple-weather -DpackageName=cn.net.comsys.ut4.simpleweather -Dversion=1.0
generate目标文档:Generate project in batch mode
为pom.xml添加一些项目信息如下:
<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/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>cn.net.comsys.ut4.simpleweather</groupId>
<artifactId>simple-weather</artifactId>
<version>1.0</version>
<packaging>jar</packaging>
<name>simple-weather</name>
<url>http://WWW.COMSYS.NET.CN</url>
<licenses>
<license>
<name>Apache 2</name>
<url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
<distribution>repo</distribution>
<comments>A business-friendly OSS license</comments>
</license>
</licenses>
<organization>
<name>COMSYS</name>
<url>http://WWW.COMSYS.NET.CN</url>
</organization>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>
如licenses、organization等
Maven Exec 插件
install成jar后可以通过exec执行main方法
mvn exec:java -Dexec.mainClass=org.sonatype.mavenbook.weather.Main
Exec 插件让我们能够在不往 classpath 载入适当的依赖的情况下,运行这个程序
查看exec插件目标以及参数帮助:
mvn help:describe -Dplugin=exec -Dfull
查看项目依赖:
mvn dependency:resolve
mvn dependency:tree
执行单元测试:
mvn test
忽略测试失败:<testFailureIgnore>true</testFailureIgnore>
<project>[...]
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<testFailureIgnore>true</testFailureIgnore>
</configuration>
</plugin>
</plugins>
</build>
[...]
</project>
也可以通过命令行参数设置
mvn test -Dmaven.test.failure.ignore=true
跳过单元测试:
mvn install -Dmaven.test.skip=true
构建一个打包好的命令行应用程序
想pom.xml增加一下内容
<project>[...]
<build>
<plugins>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<configuration>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
</plugin>
</plugins>
</build>
[...]
</project>
运行以下命令进行装配:
mvn install assembly:assembly
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