如何将Maven项目设置为可选地生成签名文件

<profiles>
    <profile>
        <id>generate-signature</id>
        <activation>
            <property>
                <name>generate.signature</name>
                <value>true</value>
            </property>
        </activation>
        <build>
            <plugins>
                <!-- 添加用于生成签名文件的插件 -->
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-jarsigner-plugin</artifactId>
                    <version>3.1.2</version>
                    <executions>
                        <execution>
                            <id>sign</id>
                            <phase>package</phase>
                            <goals>
                                <goal>sign</goal>
                            </goals>
                        </execution>
                    </executions>
                    <configuration>
                        <!-- 配置签名文件的相关参数 -->
                        <keystore>path/to/keystore</keystore>
                        <alias>myalias</alias>
                        <storepass>mystorepass</storepass>
                        <keypass>mykeypass</keypass>
                    </configuration>
                </plugin>
            </plugins>
        </build>
    </profile>
</profiles>

<settings>
    <profiles>
        <profile>
            <id>generate-signature</id>
            <properties>
                <!-- 设置generate.signature属性的默认值为false -->
                <generate.signature>false</generate.signature>
            </properties>
        </profile>
    </profiles>
</settings>

mvn clean package -Dgenerate.signature=true