<plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-jar-plugin</artifactId>
                <version>3.2.0</version>
                <configuration>
                    <archive>
                        <manifest>
                            <addClasspath>true</addClasspath>
                            <mainClass>top.lishuoboy.maven.MainTest</mainClass> <!-- 此处为主入口-->
                        </manifest>
                    </archive>
                </configuration>
            </plugin>