Idea使用Maven编译scala和打包jar

下面Maven的pom文件

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1. <properties>  
2.     <maven.compiler.source>1.7</maven.compiler.source>  
3.     <maven.compiler.target>1.7</maven.compiler.target>  
4.     <encoding>UTF-8</encoding>  
5.     <scala.version>2.11.7</scala.version>  
6.     <scala.compat.version>2.11</scala.compat.version>  
7. </properties>  
8.   
9. <dependencies>  
10.   
11.     <dependency>  
12.         <groupId>org.scala-lang</groupId>  
13.         <artifactId>scala-library</artifactId>  
14.         <version>${scala.version}</version>  
15.     </dependency>  
16. </dependencies>  
17.   
18. <build>  
19.     <!--scala待编译的文件目录-->  
20.     <sourceDirectory>src/main/scala</sourceDirectory>  
21.     <testSourceDirectory>src/test/scala</testSourceDirectory>  
22.     <!--scala插件-->  
23.     <plugins>  
24.         <plugin>  
25.             <groupId>net.alchim31.maven</groupId>  
26.             <artifactId>scala-maven-plugin</artifactId>  
27.             <version>3.2.2</version>  
28.             <executions>  
29.                 <execution>  
30.                     <goals>  
31.                         <goal>compile</goal>  
32.                         <goal>testCompile</goal>  
33.                     </goals>  
34.                     <configuration>  
35.                         <args>  
36.                             <!--<arg>-make:transitive</arg>--><!--scala2.11 netbean不支持这个参数-->  
37.                             <arg>-dependencyfile</arg>  
38.                             <arg>${project.build.directory}/.scala_dependencies</arg>  
39.                         </args>  
40.                     </configuration>  
41.                 </execution>  
42.             </executions>  
43.         </plugin>  
44.   
45.         <!--manven打包插件-->  
46.         <plugin>  
47.             <groupId>org.apache.maven.plugins</groupId>  
48.             <artifactId>maven-shade-plugin</artifactId>  
49.             <version>2.4.3</version>  
50.             <executions>  
51.                 <execution>  
52.                     <phase>package</phase>  
53.                     <goals>  
54.                         <goal>shade</goal>  
55.                     </goals>  
56.                     <configuration>  
57.                         <filters>  
58.                             <filter>  
59.                                 <artifact>*:*</artifact>  
60.                                 <excludes>  
61.                                     <exclude>META-INF/*.SF</exclude>  
62.                                     <exclude>META-INF/*.DSA</exclude>  
63.                                     <exclude>META-INF/*.RSA</exclude>  
64.                                 </excludes>  
65.                             </filter>  
66.                         </filters>  
67.                         <transformers>  
68.                             <transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">  
69.                                 <resource>reference.conf</resource>  
70.                             </transformer>  
71.                             <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">  
72.                                 <mainClass>cn.itcast.rpc.Master</mainClass> <!--main方法-->  
73.                             </transformer>  
74.                         </transformers>  
75.                     </configuration>  
76.                 </execution>  
77.             </executions>  
78.         </plugin>  
79.     </plugins>  
80. </build>  

上面是使用Scala2.11的版本，注意scala2.11 netbean不支持这个参数-make:transitive这个参数，所以必须得注释掉

下面是简单的测试:

使用Maven进行jar依赖打包，之前使用Idea的artifacts进行打包，但是导出的jar有可能因为缺少某些信息而无法直接运行，但是使用maven自动的pakage便没有这个问题，而且jar包的大小明显小于artifacts的jar包大小，下面是使用方法

下载完相关的依赖后，会在target的目录下生成下项目的jar包