maven里面pom文件的各標簽介紹


       由於maven在工作中經常使用,但是平時要記的知識點有點多,偶爾回頭來看一些東西難免忘記,特此整理一篇筆記,方便大家搜索查詢,也方便自己以后查詢!

后續碰見其他的標簽也會進行更新!

      maven的pom文件中存在引入依賴、聲明、繼承;引入依賴的時候首先去本地倉庫找,找不到再去配置的其他倉庫找!

 1.modelVersion

 <modelVersion>4.0.0</modelVersion><!--描述這個POM文件是遵從哪個版本的項目描述符。-->

   2.parent

  <parent><!--父級依賴,繼承-->
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.2.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

  3.dependencies

 <dependencies><!--引入依賴-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
        </dependency>
    </dependencies>

4.dependencyManagement

 <!--聲明依賴,如果dependencies中沒有聲明版本就會來這里面找-->
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Finchley.BUILD-SNAPSHOT</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

5.repositories

<!--   &lt;!&ndash;相當於配置遠程倉庫&ndash;&gt;
    <repositories>
        <repository>
            <id>spring-snapshots</id>
            <name>Spring Snapshots</name>
            <url>https://repo.spring.io/libs-snapshot</url>
            &lt;!&ndash;是否自動更新&ndash;&gt;
            <snapshots>
                <enabled>true</enabled>
            </snapshots>
        </repository>
        <repository>
            <id>spring-milestones</id>
            <name>Spring Milestones</name>
            <url>https://repo.spring.io/libs-milestone</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
        <repository>
            <id>spring-releases</id>
            <name>Spring Releases</name>
            <url>https://repo.spring.io/libs-release</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
    </repositories>

6.properties

 <properties><!--定義的標簽屬性可以在其他地方讀取-->
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <start-class>eureka.EurekaApplication</start-class>
        <java.version>1.8</java.version>
        <docker.image.prefix2></docker.image.prefix2>
    </properties>

7.pluginRepositories

  &lt;!&ndash;插件倉庫&ndash;&gt;
    <pluginRepositories>
        <pluginRepository>
            <id>spring-snapshots</id>
            <name>Spring Snapshots</name>
            <url>https://repo.spring.io/libs-snapshot-local</url>
            <snapshots>
                <enabled>true</enabled>
            </snapshots>
        </pluginRepository>
        <pluginRepository>
            <id>spring-milestones</id>
            <name>Spring Milestones</name>
            <url>https://repo.spring.io/libs-milestone-local</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </pluginRepository>
    </pluginRepositories>-->

 8.配置jdk版本

   <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
   </build>

 


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