maven 工程构建 之_____<dependencyManagement>标签

<?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.zyt</groupId>
    <artifactId>fusunDemo</artifactId>
    <version>1.0-SNAPSHOT</version>
    <modules>
        <module>zyt_biz</module>
        <module>zyt_frame</module>
    </modules>
    <packaging>pom</packaging>
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>com.zyt</groupId>
                <artifactId>zyt_schema_core</artifactId>
                <version>${schema.version}</version>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <profiles>
        <!--dat环境-->
        <profile>
            <id>DAT</id>
            <properties>
                <schema.version>1.0-SNAPSHOT</schema.version>
                <env>dat</env>
            </properties>
        </profile>
    </profiles>
</project>

这个是顶级父工程的pom.xml文件

import com.jcraft.jsch.ChannelSftp;
import org.apache.log4j.Logger;

/**
 * @description:
 * @author: zhangyantao(张艳涛)
 * @createDate: 2020/11/23
 * @version: 1.0
 */
public class SftpUtil {
    private static Logger log= Logger.getLogger(SftpUtil.class);
    private ChannelSftp sftp;
}

这个是子工程的一个类,这里的ChannelSftp 依赖的是顶级父工程的zyt_schema_core的依赖,但现在用不了依赖,

不会引入实际依赖,能约束dependecies下的依赖的依赖使用,继承了版本定义,子模块需要dependency引入<次依赖>不要带<version>版本

<?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">
  <parent>
    <artifactId>zyt_biz_frame</artifactId>
    <groupId>com.zyt</groupId>
    <version>1.0-SNAPSHOT</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>

  <groupId>com.zyt</groupId>
  <artifactId>zyt_biz_frame_utility</artifactId>
  <version>1.0-SNAPSHOT</version>

  <name>zyt_biz_frame_utility</name>
  <!-- FIXME change it to the project's website -->
  <url>http://www.example.com</url>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.8</maven.compiler.source>
    <maven.compiler.target>1.8</maven.compiler.target>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.11</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>log4j-over-slf4j</artifactId>
      <version>1.7.25</version>
    </dependency>
    <dependency>
      <groupId>com.zyt</groupId>
      <artifactId>zyt_schema_core</artifactId>
    </dependency>
  </dependencies>

  <build>
...
  </build>
</project>