<dependencies><!--一个依赖包--> <dependency> <!--通过坐标指定依赖包--> <groupId> </groupId> <artifactId> </artifactId> <version> </version> <!--可选项：依赖范围。有六个可选值：常用compile/provided/test/runtime等--> <scope>一个范围</scope> <!--可选项：排除依赖传递：即：当前项目依赖当前配置的依赖包A时，如果这个依赖包又依赖其他包B，这里可以选择排除依赖的传递性，不下载导入B--> <exclusions> <exclusion>

              <!--被排除的依赖包坐标--><groupId> </groupId><artifactId> </artifactId><version> </version>

            </exclusion></exclusions> </dependency> </dependencies>

<depencyManagement><depencies> <depency> 依赖包的坐标... </depency> </depencies> </depencyManagement>

<build><plugins> <plugin> <!--插件坐标--> <groupId> </groupId> <artifactId> </artifactId> <version> </version> 其他设置... </plugin> </plugins> </build>

<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.test</groupId> <artifactId>WebApp</artifactId> <packaging>war</packaging> <version>1.0</version> <name>WebApp Maven Webapp</name> <url>http://maven.apache.org</url> <dependencies> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.2.1</version> </dependency> <!--commons-io为commons-fileupload的可选依赖包--> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>1.3.2</version> </dependency> </dependencies> <build> <finalName>WebApp</finalName> </build> </project>