<?xml version="1.0" encoding="UTF-8"?>

<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>com.juvenxu.mvnbook</groupId>

    <artifactId>hello-world</artifactId>

    <version>1.0-SNAPSHOT</version>

    <name>Maven Hello World Project</name>

</project>

package com.juvenxu.mvnbook.helloworld;

public class HelloWorld {

    public String sayHello(){

        return "Hello Maven";

    }

    public static void main(String[] args) {

        System.out.println(new HelloWorld().sayHello());

    }

}

mvn clean compile

<?xml version="1.0" encoding="UTF-8"?>

<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>com.juvenxu.mvnbook</groupId>

    <artifactId>hello-world</artifactId>

    <version>1.0-SNAPSHOT</version>

    <name>Maven Hello World Project</name>

    <dependencies>

        <dependency>

            <groupId>junit</groupId>

            <artifactId>junit</artifactId>

            <version>4.7</version>

            <scope>test</scope>

        </dependency>

    </dependencies>

</project>

package com.juvenxu.mvnbook.helloworld;

import static org.junit.Assert.assertEquals;

import org.junit.Test;

public class HelloWorldTest {

    @Test

    public void testSayHello(){

        HelloWorld helloWorld = new HelloWorld();

        String result = helloWorld.sayHello();

        assertEquals("Hello Maven", result);

    }

}

mvn clean test

最新版本maven好像已经不存在下文所述的问题了

mvn clean package

mvn clean install

maven-shade-plugin

<?xml version="1.0" encoding="UTF-8"?>

<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>com.juvenxu.mvnbook</groupId>

    <artifactId>hello-world</artifactId>

    <version>1.0-SNAPSHOT</version>

    <name>Maven Hello World Project</name>

    <dependencies>

        <dependency>

            <groupId>junit</groupId>

            <artifactId>junit</artifactId>

            <version>4.7</version>

            <scope>test</scope>

        </dependency>

    </dependencies>

    <build>

        <plugins>

            <plugin>

                <groupId>org.apache.maven.plugins</groupId>

                <artifactId>maven-shade-plugin</artifactId>

                <version>1.2.1</version>

                <executions>

                    <execution>

                        <phase>package</phase>

                        <goals>

                            <goal>shade</goal>

                        </goals>

                        <configuration>

                            <transformers>

                                <transformer

                                    implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">

                                    <mainClass>com.juvenxu.mvnbook.helloworld.HelloWorld</mainClass>

                                </transformer>

                            </transformers>

                        </configuration>

                    </execution>

                </executions>

            </plugin>

        </plugins>

    </build>

</project>

一键式生成maven工程

脚手架生成maven工程

Archetype

mvn archetype:generate