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<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>com.sjf.springdemo</groupId><artifactId>springdemo-helloworld</artifactId><version>0.0.1-SNAPSHOT</version><packaging>jar</packaging><name>springdemo-helloworld</name><url>http://maven.apache.org</url><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding></properties><dependencies><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>3.8.1</version><scope>test</scope></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring</artifactId><version>2.5.6</version></dependency></dependencies></project>
<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>com.sjf.springdemo</groupId><artifactId>springdemo-helloworld</artifactId><version>0.0.1-SNAPSHOT</version><packaging>jar</packaging><name>springdemo-helloworld</name><url>http://maven.apache.org</url><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding></properties><dependencies><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>3.8.1</version><scope>test</scope></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>4.2.4.RELEASE</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-core</artifactId><version>4.2.4.RELEASE</version></dependency></dependencies></project>
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传递性依赖是在maven2中添加的新特征，这个特征的作用就是你不需要考虑你依赖的库文件所需要依赖的库文件，能够将依赖模块的依赖自动的引入。 例如我们依赖于spring的库文件，但是spring本身也有依赖，如果没有传递性依赖那就需要我们了解spring项目依赖，自己添加到我们的项目中。 |
| compile | test | provided | runtime | |
| compile | compile | --- | --- | runtime |
| test | test | --- | --- | test |
| provided | provided | --- | provided | provided |
| runtime | runtime | --- | --- | runtime |
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原文地址：http://blog.csdn.net/sunnyyoona/article/details/50612701
