一段实用的maven pom:将项目依赖打包到文件夹或打入jar中

使用了maven-assembly-plugin插件和maven-dependency-plugin：

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1. <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    
2.     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">    
3.     <modelVersion>4.0.0</modelVersion>    
4.     <groupId>net.aty.deps</groupId>    
5.     <artifactId>MyJar</artifactId>    
6.     <packaging>jar</packaging>    
7.     <version>0.0</version>    
8.     
9.     <dependencies>    
10.         <dependency>  
11.             <groupId>org.apache.httpcomponents</groupId>  
12.             <artifactId>httpclient</artifactId>  
13.             <version>4.3.6</version>  
14.         </dependency>  
15.     </dependencies>    
16.     
17.     <build>    
18.         <plugins>   
19.               
20.             <plugin>  
21.                 <groupId>org.apache.maven.plugins</groupId>  
22.                 <artifactId>maven-dependency-plugin</artifactId>  
23.                 <executions>  
24.                     <execution>  
25.                         <id>copy-dependencies</id>  
26.                         <phase>prepare-package</phase>  
27.                         <goals>  
28.                             <goal>copy-dependencies</goal>  
29.                         </goals>  
30.                         <configuration>  
31.                             <outputDirectory>${project.build.directory}/lib</outputDirectory>  
32.                             <overWriteReleases>false</overWriteReleases>  
33.                             <overWriteSnapshots>false</overWriteSnapshots>  
34.                             <overWriteIfNewer>true</overWriteIfNewer>  
35.                         </configuration>  
36.                     </execution>  
37.                 </executions>  
38.             </plugin>  
39.               
40.               
41.             <plugin>    
42.                 <artifactId>maven-assembly-plugin</artifactId>    
43.                 <configuration>    
44.                     <descriptorRefs>    
45.                         <descriptorRef>jar-with-dependencies</descriptorRef>    
46.                     </descriptorRefs>    
47.                     <archive>    
48.                         <manifest>    
49.                           <mainClass></mainClass>    
50.                         </manifest>    
51.                     </archive>    
52.                 </configuration>    
53.                 <executions>    
54.                     <execution>    
55.                         <id>make-assembly</id>    
56.                         <phase>package</phase>    
57.                         <goals>    
58.                             <goal>single</goal>    
59.                         </goals>    
60.                     </execution>    
61.               </executions>    
62.             </plugin>   
63.               
64.         </plugins>  
65.     </build>    
66. </project>   

执行mvn clean package命令，我们就可以得到如下结果：