<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.cn.scala</groupId>
    <artifactId>scala</artifactId>
    <version>1.0-SNAPSHOT</version>
    <!--子模块-->
    <modules>
        <module>scalacontrol</module>
    </modules>
<!--
packaging给出了项目的打包类型，即作为项目的发布形式，其类型,在Maven 3中有，jar(默认类型)，war,ejb,ear,rar,par,pom,maven-plugin
multi-modules
Maven 3支持Maven项目的多模块（multi-modules）结构。这样的Maven项目也被称为聚合项目，通常由一个父模块和若干个子模块构成。其中，父模块必须以pom打包类型  -->
    <packaging>pom</packaging>

    <!-- 声明一些共有的配置属性 -->
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <log4j.leve>debug</log4j.leve>
        <log4j.ale>debug</log4j.ale>
        <mysql.version>6.0.5</mysql.version>
        <spring.version>4.3.6.RELEASE</spring.version>
        <spring.data.jpa.version>1.11.0.RELEASE</spring.data.jpa.version>
        <log4j.version>1.2.17</log4j.version>
        <slf4j.version>1.7.22</slf4j.version>
        <config.version>1.10</config.version>
        <jackson.version>2.8.6</jackson.version>
        <servlet.version>3.0.1</servlet.version>
        <net.sf.json.version>2.4</net.sf.json.version>
        <activemq.version>5.14.3</activemq.version>
        <spark.version>2.1.1</spark.version>
        <scala.version>2.11.8</scala.version>
        <hadoop.version>2.7.3</hadoop.version>
        <junit.version>3.8.1</junit.version>
    </properties>

    <!-- 声明并引入依赖（子项目同样有） -->
    <dependencies>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>jcl-over-slf4j</artifactId>
            <version>${slf4j.version}</version>
            <!-- 声明的是该包的作用域 -->
            <!--<scope>provided</scope>-->
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>${log4j.version}</version>
        </dependency>
    </dependencies>


    <!-- 仅声明（子项目如果需要自己引用） -->
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>${junit.version}</version>
                <scope>test</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <!-- 关于打包和构建 -->
    <build>
        <!-- 声明并引入插件 -->
        <plugins>
            <!-- 配置代码的编译JDK版本，java编译插件 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.6.1</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                    <encoding>UTF-8</encoding>
                </configuration>
                <executions>
                    <execution>
                        <phase>compile</phase>
                        <goals>
                            <goal>compile</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>

            <!-- 将Scala代码编译成class文件,scala编译插件 -->
            <plugin>
                <groupId>net.alchim31.maven</groupId>
                <artifactId>scala-maven-plugin</artifactId>
                <version>3.2.2</version>
                <executions>
                    <execution>
                        <id>scala-compile-first</id>
                        <phase>process-resources</phase>
                        <goals>
                            <goal>compile</goal>
                            <goal>add-source</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>

        <!-- 仅声明插件 -->
        <pluginManagement>
            <plugins>
                <!-- 打包插件 -->
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-assembly-plugin</artifactId>
                    <version>3.0.0</version>
                    <executions>
                        <execution>
                            <id>make-assembly</id>
                            <!-- 配置在生命周期中 -->
                            <phase>package</phase>
                            <goals>
                                <goal>single</goal>
                            </goals>
                        </execution>
                    </executions>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>

</project>