同一个项目使用同一个pom.xml来构建不同的环境时候，比如：本地环境(local)日志输出目录：D:/logs/record/record.log，而测试环境(test)日志输出目录：/home/gxx/logs/record/record.log；又比如：本地环境(local)使用数据源1，而测试环境(test)使用数据源2。

<!-- 使用 mvn clean install -P XXX 激活profile -->
<!-- mvn clean install #默认local -->
<!-- mvn clean install -P local #选择本地环境 -->
<!-- mvn clean install -P test #选择test环境-->
<profiles>
	<profile>
		<id>local</id>
		<activation>
			<activeByDefault>true</activeByDefault>
		</activation>
		<properties>
			<deploy.environment.include>local</deploy.environment.include>
			<deploy.environment.exclude>test</deploy.environment.exclude>
			<log4j.dir>D:/logs/record/record.log</log4j.dir>
		</properties>
	</profile>
	<profile>
		<id>test</id>
		<properties>
			<deploy.environment.include>test</deploy.environment.include>
			<deploy.environment.exclude>local</deploy.environment.exclude>
			<log4j.dir>/home/gxx/logs/record/record.log</log4j.dir>
		</properties>
	</profile>
</profiles>