<profiles>
    <profile>
        <!-- 本地開發環境 -->
        <id>dev</id>
        <properties>
            <profiles.active>dev</profiles.active>
        </properties>
        <activation>
            <activeByDefault>true</activeByDefault
 
>
        </activation>
    </profile>
    <profile>
        <!-- 測試環境 -->
        <id>test</id>
        <properties>
            <profiles.active>test</profiles.active>
        </properties>
    </profile>
    <profile>
        <!--
 
 生產環境 -->
        <id>pro</id>
        <properties>
            <profiles.active>pro</profiles.active>
        </properties>
    </profile>
</profiles>

     <build>
        <resources>
            <resource>
                <
 
directory>src/main/resources</directory>
                <!-- 資源根目錄排除各環境的配置，防止在生成目錄中多餘其它目錄 -->
                <excludes>
                    <exclude>pro/*</exclude>
                    <exclude>dev/*</exclude>
                </excludes>
            </resource>
            <resource>
                <directory>src/main/resources/${profiles.active}</directory>
            </resource>
        </resources>
    </build>

都在<project></project> 裡