spark mac intellij idea开发环境

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本文介绍了在Mac上配置Spark Scala开发环境的步骤，包括安装Java SDK、通过brew或直接下载安装Spark Scala、安装IntelliJ IDEA并添加Scala及Sbt插件，以及创建Scala SBT或Maven工程的方法，特别强调了Scala SDK的选择和Spark依赖的添加。

1.先安装好java sdk，配置好java环境变量

2.安装spark scala

可以直接brew安装，也可下载安装

$ brew update
$ brew info apache-spark
$ brew install apache-spark

$ brew install scala
$ brew install sbt

scala下载地址http://www.scala-lang.org/download/

3.安装intellij idea

下载地址http://www.jetbrains.com/idea/download;社区版community免费，个人的话就下载这个

安装好之后打开idea，安装scala插件和sbt插件；preferences--》plugins--》browse repositories

搜索scala后点击install安装

4.建立工程

（1）file-->new project 选择scala sbt

点击File-Project Structure-Libraries，点击+号-scala SDK，添加scala sdk

编辑build.sbt文件，添加Spark依赖，编译的时候缺少的库可以在这里添加

libraryDependencies += "org.apache.spark" % "spark-core_2.11" % "2.0.0"

Scala版本对应的可在Spark官网查询；下载较慢，最好有翻墙。有时下载中断再触发，需要使用sbt命令package

（2）使用maven创建工程

默认创建的是java工程，那么要将src下的java目录改为scala目录名，并且在工程setting里面将scala目录改为src目录。

然后就是修改pom xml文件了，

<?xml version="1.0" encoding="UTF-8"?>
<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.wl</groupId>
    <artifactId>sparktest</artifactId>
    <version>1.0-SNAPSHOT</version>
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <spark.version>2.2.0</spark.version>
        <scala.version>2.11</scala.version>
        <hadoop.version>2.7.3</hadoop.version>
    </properties>
    <dependencies>
        <!-- https://mvnrepository.com/artifact/org.apache.spark/spark-core_2.11 -->
        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-core_${scala.version}</artifactId>
            <version>${spark.version}</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-sql_${scala.version}</artifactId>
            <version>${spark.version}</version>
        </dependency>
        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-hive_${scala.version}</artifactId>
            <version>${spark.version}</version>
        </dependency>
        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-streaming_${scala.version}</artifactId>
            <version>${spark.version}</version>
        </dependency>
        <dependency>
            <groupId>org.apache.hadoop</groupId>
            <artifactId>hadoop-client</artifactId>
            <version>2.7.3</version>
        </dependency>

        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-mllib_${scala.version}</artifactId>
            <version>${spark.version}</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.39</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>
    </dependencies>

    <repositories>
        <repository>
            <id>central</id>
            <name>Maven Repository Switchboard</name>
            <layout>default</layout>
            <url>http://repo2.maven.org/maven2</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
    </repositories>

    <build>
        <sourceDirectory>src/main/scala</sourceDirectory>
        <testSourceDirectory>src/test/scala</testSourceDirectory>

        <plugins>
            <plugin>
                <!-- MAVEN 编译使用的JDK版本 -->
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.5</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>