eclipse maven web环境搭建

<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/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>spring-security-test</groupId>
  <artifactId>spring-security-test</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>
  
  <!-- 仓库定义 -->
    <repositories>
        <!-- oschina的仓库 -->
        <repository>
            <id>oschina</id>
            <url>http://maven.oschina.net/content/groups/public</url>
        </repository>
        <!-- Activiti的仓库 -->
        <repository>
            <id>Activiti</id>
            <url>https://maven.alfresco.com/nexus/content/repositories/activiti</url>
        </repository>

        <!-- Codehaus的仓库 -->
        <repository>
            <id>Codehaus</id>
            <url>http://repository.codehaus.org</url>
        </repository>

    </repositories>
    <dependencies>
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-core</artifactId>
            <version>3.1.0.RELEASE</version>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.3.2</version>
                <configuration>
                    <source>1.7</source>
                    <target>1.7</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>