小编给大家分享一下IntelliJ IDEA如何打开多个Maven的module且相互调用,相信大部分人都还不怎么了解,因此分享这篇文章给大家参考一下,希望大家阅读完这篇文章后大有收获,下面让我们一起去了解一下吧!
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###1、需求
1、IntelliJ IDEA打开多个项目
2、每个同学开发一个项目,相互之前独立不影响
3、通过一个入口可以调用所有项目类、方法、属性,达到同时开发且检测代码
4、dependency只需要写一份,其余项目不用写,便可全部依赖
###2、注意事项(非常重要)
6个坑:
1、
项目中所有的groupId要一样
2、避免循环依赖,导致程序报错
3、
打包的服务器运行时候需要provided,本机调试的时候,需要注释
在一个maven项目中,如果存在编译需要而发布不需要的jar包,可以用scope标签,值设为provided


4、项目、module建好之后需要添加Scala的框架支持

5、在yhProject中,可以统一对所有的module进行清理、编译、打包

6、要运行依赖中的module,则必须要将module中的Jar包,打到maven中,需要使用install
下面,是我将所有module中的Jar打到Maven中的路径:


###3、建立Project和建立module
1、只需要建立一个项目,其他项目由module建立,所有module且放在项目中。
2、本文项目为yhproject,其余都为module,分别是:mainEntrance、yhutils、yhapp、yhweb、yhgame
项目建立步鄹:




Module建立步鄹:



项目、所有module、部分module代码展示:


###4、项目之前的依赖关系

###5、代码展示
mainEntrance
package com.yh.bi.dag
package com.yh.bi.dag
/**
* Created by yuhui on 2017/2/10.
*/
import java.time.{Duration, LocalDate}
import com.yh.bi._
import com.yh.bi.{UserAPP, UserGame, UserWEB}
import org.slf4j.LoggerFactory
import scala.collection.immutable.{ListMap, ListSet}
/**
* Created by yuhui on 2016/8/25.
* task --> Node --> DAG --> DAGExecutor
*/
case class Node[T](task: T, parent: T*) {
override def toString: String = {
s"$task(${parent.mkString(",")})"
}
}
case class DAG[T](nodes: Node[T]*)
case class DAGExecutor[T](dag: DAG[T]) {
private val LOG = LoggerFactory.getLogger(this.getClass)
private val _nodes: Map[T, Seq[T]] = dag.nodes.map(node => (node.task, node.parent.filter(_ != null))).toMap
private var _pending: Set[T] = ListSet()
private var _fails = ListMap[T, String]()
private var _success = Seq[T]()
//判断Node的task节点的父节点运行状态(flase ,true)
private def getPending: Option[T] = {
_pending.find { name =>
val parents = _nodes(name)
!parents.exists(name => !_success.contains(name))
}
}
private def fail(name: T, message: String): Unit = {
_pending -= name
_fails += name -> message
for (child <- _pending.filter(child => _nodes(child).contains(name))) {
fail(child, s"依赖的任务无法执行: $name")
}
}
private def success(name: T): Unit = {
_pending -= name
_success = _success :+ name
}
def execute(func: T => Unit): Unit = {
_pending = _nodes.keySet
_fails = ListMap()
_success = Seq()
var running = true
while (running) {
val taskOpt = getPending
if (taskOpt.nonEmpty) {
val task = taskOpt.get
val startMills = System.currentTimeMillis()
LOG.info("start task {}", task)
try {
println("=============")
func(task) //执行executor方法
println("+++++++++++++")
val time = Duration.ofMillis(System.currentTimeMillis() - startMills)
LOG.info(s"end task $task time=$time")
success(task)
} catch {
case e: Throwable => fail(task, e.getMessage)
LOG.error(e.getMessage, e)
LOG.info(s"fail task $task")
}
} else {
running = false
}
}
for (name <- _success) {
LOG.info(s"success task: $name")
}
for (name <- _fails) {
LOG.info(s"fail task: ${name._1} - ${name._2}")
}
}
}
object DAG {
val allSDKDAG = new DAG[Task](
Node(UserAPP),
Node(UserGame),
Node(UserWEB)
)
def main(args: Array[String]): Unit = {
DAGExecutor(allSDKDAG).execute { task =>task.executor("appkey": String, LocalDate.now(), LocalDate.now())}
}
}yhutils
package com.yh.bi
/**
* Created by yuhui on 2017/2/10.
*/
import java.time.LocalDate
import org.apache.spark.sql.SQLContext
import org.slf4j.LoggerFactory
abstract class Executor extends Task with SQLContextAware {
override def run(appkey: String, startDay: LocalDate, endDay: LocalDate)={}
}
trait SQLContextAware {
implicit var ctx: SQLContext = _
}
abstract class Task {
protected val LOG = LoggerFactory.getLogger(this.getClass)
def executor(appkey: String, startDay: LocalDate, endDay: LocalDate): Unit
def run(appkey: String, startDay: LocalDate, endDay: LocalDate): Unit = {
executor(appkey, startDay, endDay)
}
}yhapp
package com.yh.bi
/**
* Created by yuhui on 2017/2/10.
*/
import java.time.LocalDate
object UserAPP extends Executor{
override def executor(appkey: String, startDay: LocalDate, endDay: LocalDate): Unit = {
println("++++我的UserAPP的执行过程++++")
}
}yhweb
package com.yh.bi
import java.time.LocalDate
object UserWEB extends Executor{
override def executor(appkey: String, startDay: LocalDate, endDay: LocalDate): Unit = {
println("++++我的UserWEB的执行过程++++")
}
}yhgame
package com.yh.bi
/**
* Created by yuhui on 2017/2/10.
*/
import java.time.LocalDate
object UserGame extends Executor{
override def executor(appkey: String, startDay: LocalDate, endDay: LocalDate): Unit = {
println("++++我的UserGame的执行过程++++")
}
}###6、项目中POM依赖展示
yhproject中POM文件展示:
4.0.0 com.yh.bi yhproject pom 1.0 mainEntrance yhapp yhweb yhgame yhutils
mainEntrance中POM文件展示:
4.0.0 mainEntrance com.yh.bi 1.0 yhutils com.yh.bi 1.0 yhapp com.yh.bi 1.0 yhgame com.yh.bi 1.0 yhweb com.yh.bi 1.0 org.apache.maven.plugins maven-compiler-plugin 1.8 1.8 org.apache.maven.plugins maven-shade-plugin 2.4 *:* **/log4j2.* META-INF/*.SF META-INF/*.DSA META-INF/*.RSA package shade ${project.build.directory}/${project.artifactId}.jar src/main/scala ${basedir}/src/main/resources **/*
yhutils中POM文件展示:
yhproject com.yh.bi 1.0 4.0.0 yhutils org.apache.spark spark-hive_2.11 1.6.1 org.apache.maven.plugins maven-compiler-plugin 1.8 1.8 org.apache.maven.plugins maven-shade-plugin 2.4 *:* **/log4j2.* META-INF/*.SF META-INF/*.DSA META-INF/*.RSA package shade ${project.build.directory}/${project.artifactId}.jar src/main/scala ${basedir}/src/main/resources **/*
yhapp中POM文件展示:
4.0.0 com.yh.bi yhapp 1.0 yhutils com.yh.bi 1.0 provided org.apache.maven.plugins maven-compiler-plugin 1.8 1.8 org.apache.maven.plugins maven-shade-plugin 2.4 *:* **/log4j2.* META-INF/*.SF META-INF/*.DSA META-INF/*.RSA package shade ${project.build.directory}/${project.artifactId}.jar src/main/scala ${basedir}/src/main/resources **/*
yhweb中POM文件展示:
4.0.0 com.yh.bi yhweb 1.0 yhutils com.yh.bi 1.0 provided org.apache.maven.plugins maven-compiler-plugin 1.8 1.8 org.apache.maven.plugins maven-shade-plugin 2.4 *:* **/log4j2.* META-INF/*.SF META-INF/*.DSA META-INF/*.RSA package shade ${project.build.directory}/${project.artifactId}.jar src/main/scala ${basedir}/src/main/resources **/*
yhgame中POM文件展示:
4.0.0 com.yh.bi yhgame 1.0 yhutils com.yh.bi 1.0 provided org.apache.maven.plugins maven-compiler-plugin 1.8 1.8 org.apache.maven.plugins maven-shade-plugin 2.4 *:* **/log4j2.* META-INF/*.SF META-INF/*.DSA META-INF/*.RSA package shade ${project.build.directory}/${project.artifactId}.jar src/main/scala ${basedir}/src/main/resources **/*
###7、运行结果展示
注意:我在mainEntrance执行DAG中的main文件,可以调用且执行了yhutils、yhapp、yhweb、yhgame中的代码

###8、如果建立Java 的module

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