eclipse+scala+java+maven 整合实践
一、软件版本
Eclipse Mars.1 (4.5.1)
Apache Maven 3.3.9
二、下载scala plugin
1.在scala-ide.org网站上可以找到链接和下载地址
http://scala-ide.org/download/current.html
2.打开Eclipse,Help -> Install New Software(因网络问题,这个没装成功,我下载以后本地安装)
三、接下来创建Maven项目。
File->New->Maven Project,然后在项目上右键,configure, Add Scala Nature.
创建scala包
src/main/scala
项目结构如下图
四、增添POM配置
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.jrj.jintui</groupId>
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<artifactId>jintui-ml</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<packaging>jar</packaging>
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<dependencies>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>3.8.1</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.scala-lang</groupId>
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<artifactId>scala-library</artifactId>
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<version>2.11.8</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.scala-tools</groupId>
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<artifactId>maven-scala-plugin</artifactId>
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<version>2.15.2</version>
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<executions>
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<execution>
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<id>scala-compile-first</id>
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<goals>
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<goal>compile</goal>
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</goals>
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<configuration>
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<includes>
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<include>**/*.scala</include>
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</includes>
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</configuration>
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</execution>
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<execution>
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<id>scala-test-compile</id>
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<goals>
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<goal>testCompile</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<artifactId>maven-assembly-plugin</artifactId>
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<configuration>
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<descriptorRefs>
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<descriptorRef>jar-with-dependencies</descriptorRef>
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</descriptorRefs>
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</configuration>
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<executions>
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<execution>
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<id>make-assembly</id>
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<phase>package</phase>
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<goals>
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<goal>single</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>
五、执行mvn命令
mvn clean scala:compile compile package
六、执行jar包
APP类
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/**
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* Hello world!
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*
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*/
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public class App
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{
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public static void main( String[] args )
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{
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HelloJava.main(args);
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HelloScala.main(args);
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}
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}
HelloJava类
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package com.jrj;
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public class HelloJava {
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public static void main(String[] args) {
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System.out.println("hello java");
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}
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}
HelloScala
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package com.jrj
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object HelloScala {
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def main(args: Array[String]) {
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println("hello scala");
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}
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}
执行结果