io.spring.platform继承方式和import方式更改依赖版本号的问题

使用io.spring.platform时,它会管理各类经过集成测试的依赖版本号。

但有的时候,我们想使用指定的版本号,这个时候就需要去覆盖io.spring.platform的版本号。

前面的文章总结过,使用io.spring.platform有两种方式,一种是继承,一种是导入。

一、先来看继承的方式:

io.spring.platform使用Brussels-SR7版本

<parent>
  <groupId>io.spring.platform</groupId>
  <artifactId>platform-bom</artifactId>
  <version>Brussels-SR7</version>
</parent>

我们想使用阿里的easyexcel框架,2.0.5版本

<dependency>
  <groupId>com.alibaba</groupId>
  <artifactId>easyexcel</artifactId>
  <version>2.0.5</version>
</dependency>

这个时候就出现了依赖问题,easyexcel 2.0.5版本会依赖poi 3.17版本,而io.spring.platform管理的依赖却是3.15版本。

由于依赖都是io.spring.platform管理的,所以打包时会强制使用poi 3.15版本,这会导致代码执行时找不到对应的新版本class,执行失败。

 在继承方式使用io.spring.platform时,解决方法也比较简单,覆盖io.spring.platform对poi的版本号管理即可

<properties>
  <poi.version>3.17</poi.version>
</properties>

这个时候在来看依赖关系,发现poi的版本引入变成了3.17

 这样就解决了问题。

附上完整pom.xml

<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</groupId>
  <artifactId>springboot-dependency7</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>jar</packaging>

  <name>springboot-dependency7</name>
  <url>http://maven.apache.org</url>
  
  <parent>
    <groupId>io.spring.platform</groupId>
    <artifactId>platform-bom</artifactId>
    <version>Brussels-SR7</version>
  </parent>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <poi.version>3.17</poi.version>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>easyexcel</artifactId>
      <version>2.0.5</version>
    </dependency>
  </dependencies>
  <build>
    <plugins>
      <plugin>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-maven-plugin</artifactId>
        <configuration>
          <mainClass>com.springboot_dependency7.main.Applicaiton</mainClass>
        </configuration>
      </plugin>
    </plugins>
  </build>
</project>

二、再来看import的方式

<dependencyManagement>
  <dependencies>
    <dependency>
      <groupId>io.spring.platform</groupId>
      <artifactId>platform-bom</artifactId>
      <version>Brussels-SR7</version>
      <type>pom</type>
      <scope>import</scope>
    </dependency>
  </dependencies>
</dependencyManagement>

同样引入easyexcel 2.0.5依赖

<dependency>
  <groupId>com.alibaba</groupId>
  <artifactId>easyexcel</artifactId>
  <version>2.0.5</version>
</dependency>

这个时候poi的版本被强制使用3.15

 要覆盖io.spring.platform的版本号需要在pom.xml里dependencyManagement节点io.spring.platform引入的前面加上poi的引入

<dependencyManagement>
  <dependencies>
    <dependency>
      <groupId>org.apache.poi</groupId>
      <artifactId>poi</artifactId>
      <version>3.17</version>
    </dependency>
    <dependency>
      <groupId>org.apache.poi</groupId>
      <artifactId>poi-ooxml</artifactId>
      <version>3.17</version>
    </dependency>
    <dependency>
      <groupId>io.spring.platform</groupId>
      <artifactId>platform-bom</artifactId>
      <version>Brussels-SR7</version>
      <type>pom</type>
      <scope>import</scope>
    </dependency>
  </dependencies>
</dependencyManagement>

再来看poi的依赖

 版本已经变成了3.17,解决问题。

附上完整pom.xml

<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</groupId>
  <artifactId>springboot-dependency8</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>jar</packaging>

  <name>springboot-dependency8</name>
  <url>http://maven.apache.org</url>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  </properties>
  
  <dependencyManagement>
    <dependencies>
      <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi</artifactId>
        <version>3.17</version>
      </dependency>
      <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi-ooxml</artifactId>
        <version>3.17</version>
      </dependency>
      <dependency>
        <groupId>io.spring.platform</groupId>
        <artifactId>platform-bom</artifactId>
        <version>Brussels-SR7</version>
        <type>pom</type>
        <scope>import</scope>
      </dependency>
    </dependencies>
  </dependencyManagement>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>easyexcel</artifactId>
      <version>2.0.5</version>
    </dependency>
  </dependencies>
  
  <build>
    <plugins>
      <plugin>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-maven-plugin</artifactId>
        <configuration>
          <mainClass>com.springboot_dependency8.main.Applicaiton</mainClass>
        </configuration>
      </plugin>
    </plugins>
  </build>
</project>

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转载自www.cnblogs.com/ld-mars/p/11818252.html