Master the powerful maven packaging plug-in list

A brief introduction to Maven packaging plug-ins: Master the must-have plug-in list

Maven is one of the most popular choices among Java project management tools. Define the project configuration file pom.xml to uniformly manage project dependencies, build processes, and packaging methods. Among them, the packaging plug-in is a very important component of Maven. It is responsible for compiling and packaging the project source code into an executable deployment package.

The following will introduce several commonly used Maven packaging plug-ins and how to use them, so that developers can quickly master the list of necessary plug-ins.

1. Maven plug-in maven-compiler-plugin

maven-compiler-plugin is one of the most basic plug-ins in Maven, used to compile Java code. By configuring in pom.xml, you can specify the Java compiler version, source code path, and compilation output path. The following is a sample configuration:

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.8.0</version>
            <configuration>
                <source>1.8</source>
                <target>1.8</target>
            </configuration>
        </plugin>
    </plugins>
</build>

2. Maven plug-in maven-jar-plugin

maven-jar-plugin is used to generate executable JAR packages. The compiled class file is packaged into a JAR file. The following is an example configuration:

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-jar-plugin</artifactId>
            <version>3.1.2</version>
            <configuration>
                <archive>
                    <manifest>
                        <mainClass>com.example.Main</mainClass>
                    </manifest>
                </archive>
            </configuration>
        </plugin>
    </plugins>
</build>

3. Maven plug-in maven-assembly-plugin

maven-assembly-plugin is used to generate customized packaging files. Package the dependent JAR packages into an executable compressed package. The following is an example configuration:

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-assembly-plugin</artifactId>
            <version>3.3.0</version>
            <configuration>
                <descriptorRefs>
                    <descriptorRef>jar-with-dependencies</descriptorRef>
                </descriptorRefs>
            </configuration>
            <executions>
                <execution>
                    <phase>package</phase>
                    <goals>
                        <goal>single</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>

The above are several packaging plug-ins commonly used in Maven. Developers can choose appropriate plug-ins for configuration according to their needs in actual projects. By flexibly using these plug-ins, you can simplify the project construction process, improve development efficiency, and generate more stable and easy-to-deploy applications. I hope this article will help everyone understand the Maven packaging plug-in.

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