Maven下载jar包不完整缺少source、doc问题的解决方案

https://blog.csdn.net/Gaowumao/article/details/115262356
https://www.imlc.me/how-to-build-maven-project-with-source-jar-and-javadoc-jar/
https://www.cnblogs.com/LQBlog/p/15702243.html

<plugin>
    <artifactId>maven-source-plugin</artifactId>
    <version>2.1</version>
    <configuration>
        <attach>true</attach>
    </configuration>
    <executions>
        <execution>
            <phase>compile</phase>
            <goals>
                <goal>jar</goal>
            </goals>
        </execution>
    </executions>
</plugin>