springBoot properties配置文件读取maven配置的属性

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<properties>
	<!--maven.build.timestamp保存了maven编译时间戳-->
        <timestamp>${maven.build.timestamp}</timestamp>
        <!--指定时间格式-->
        <maven.build.timestamp.format>yyyy-MM-dd HH:mm:ss</maven.build.timestamp.format>
</properties>

<build>
        <!-- maven打包时包含静态资源文件 -->
        <resources>

            <resource>
                <directory>src/main/resources</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.yaml</include>
                    <include>META-INF/**</include>
                    <include>**/*.xml</include>
                </includes>
                <!-- true表示maven会对文件进行过滤，将@project.version@替换为该属性的值 -->
                <filtering>true</filtering>
            </resource>

            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                </includes>
                <filtering>false</filtering>
            </resource>

        </resources>
    </build>

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#项目信息 引用maven的配置
app.version=@project.version@
app.buildTime=@timestamp@