如何将pom.xml添加到现有的Eclipse项目中？

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.example</groupId>
   <artifactId>my-project</artifactId>
   <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>
   <properties>
       <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
       <maven.compiler.source>1.8</maven.compiler.source>
       <maven.compiler.target>1.8</maven.compiler.target>
    </properties>
   <dependencies>
        <!-- 在这里添加项目所需的依赖 -->
    </dependencies>
</project>