直接上图,一目了然

配置文件

配置文件

web. 文件配置

web. 配置

pom. 文件配置

<project  ns="http://maven.apache.org/POM/4.0.0"  ns:xsi="http://www.w3.org/2001/ Schema-instance"         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">    <modelVersion>4.0.0</modelVersion>    <groupId>aaa</groupId>    <artifactId>aaa</artifactId>    <packaging>war</packaging>    <version>1.0-SNAPSHOT</version>    <name>aaa Maven Webapp</name>    <url>http://maven.apache.org</url>    <dependencies>        <dependency>            <groupId>junit</groupId>            <artifactId>junit</artifactId>            <version>3.8.1</version>            <scope>test</scope>        </dependency>    </dependencies>    <profiles>        <!--开发环境-->        <profile>            <id>dev</id>            <!--在这里定义property就相当于在property文件中定义属性一样-->            <properties>                <env>dev</env>            </properties>            <build>                <filters>                    <!--每个property文件都需要写一个filter-->                    <filter>src/main/env/dev/dubbo.properties</filter>                    <filter>src/main/env/dev/mysql.properties</filter>                    <filter>src/main/env/dev/sms.properties</filter>                </filters>            </build>        </profile>        <!--测试环境-->        <profile>            <id>test</id>            <properties>                <env>test</env>            </properties>            <build>                <filters>                    <filter>src/main/env/test/dubbo.properties</filter>                    <filter>src/main/env/test/mysql.properties</filter>                    <filter>src/main/env/test/sms.properties</filter>                </filters>            </build>        </profile>        <!--线上环境-->        <profile>            <id>product</id>            <properties>                <env>product</env>            </properties>            <build>                <filters>                    <filter>src/main/env/product/dubbo.properties</filter>                    <filter>src/main/env/product/mysql.properties</filter>                    <filter>src/main/env/product/sms.properties</filter>                </filters>            </build>        </profile>    </profiles>    <!--配置所有profile都公用的信息-->    <build>        <finalName>aaa</finalName>        <!--指定资源目录  配置是否启用资源过滤(就是是否启用占位符替换)-->        <resources>            <resource>                <directory>src/main/resources</directory>                <filtering>true</filtering>            </resource>        </resources>        <!--通过这个插件可以对web. 文件进行资源过滤-->        <plugins>            <plugin>                <groupId>org.apache.maven.plugins</groupId>                <artifactId>maven-war-plugin</artifactId>                <configuration>                    <webResources>                        <resource>                            <filtering>true</filtering>                            <directory>src/main/webapp</directory>                            <includes>                                <include>**/web. </include>                            </includes>                        </resource>                    </webResources>                </configuration>            </plugin>        </plugins>    </build></project>

执行效果(以开发环境示例)

执行效果

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