spring项目如何使用maven进行搭建

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-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>com.elstar</groupId> <artifactId>spring</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>spring Maven Webapp</name> <url>http://maven.apache.org</url>  <!-- jar包版本控制 --> <properties>  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>   <junit.version>4.12</junit.version>   <spring.version>4.3.3.RELEASE</spring.version> </properties>   <dependencies>   <!-- junit支持 -->  <dependency>   <groupId>junit</groupId>   <artifactId>junit</artifactId>   <version>${junit.version}</version>   <scope>test</scope>  </dependency>  <!-- spring支持 -->  <dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-context</artifactId>    <version>${spring.version}</version>  </dependency>  <!-- spring测试支持 -->  <dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-test</artifactId>    <version>${spring.version}</version>  </dependency> </dependencies> <build>  <finalName>spring</finalName> </build></project>