java在pom中外部化属性的最佳方法是什么。xml
我有几个mvn项目的属性几乎相同。什么是将这些属性外部化的最好方法,这样我就不会复制它们了
首先是财产:
<properties>
<!-- LOMBOK version -->
<lombok.version>1.16.4</lombok.version>
<!-- LOGGING versions -->
<slf4j.version>1.6.4</slf4j.version>
<log4j.version>1.2.16</log4j.version>
<!-- MAVEN COMPILER PLUGIN version -->
<maven-compiler-plugin.version>3.3</maven-compiler-plugin.version>
<maven-compiler-plugin.source.version>1.7</maven-compiler-plugin.source.version>
<maven-compiler-plugin.target.version>1.7</maven-compiler-plugin.target.version>
<maven-compiler-plugin.compilerVersion>1.7</maven-compiler-plugin.compilerVersion>
</properties>
然后,从属关系管理:
<dependencyManagement>
<dependencies>
<!-- LOMBOK DEPENDENCIES -->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${lombok.version}</version>
</dependency>
<!-- LOGGING DEPENDENCIES -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
<!-- LOGGING DEPENDENCIES - LOG4J -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>${log4j.version}</version>
</dependency>
</dependencyManagement>
# 1 楼答案
可以使用所有子项目都使用的父项目。将公共属性移动到父maven项目中,然后向子项目添加类似的内容: