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      使用 Maven 的环境变量

      时间:2023-07-14

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                本文介绍了使用 Maven 的环境变量的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                问题描述

                我已经将一个项目从 Eclipse 移植到 Maven,我需要设置一个环境变量来使我的项目工作.

                I've ported a project from Eclipse to Maven and I need to set an environment variable to make my project work.

                在 Eclipse 中,我转到运行 -"运行配置"并且,在环境"选项卡下,我设置了WSNSHELL_HOME".到值conf".

                In Eclipse, I go to "Run -> Run configurations" and, under the tab "environment", I set "WSNSHELL_HOME" to the value "conf".

                如何使用 Maven 做到这一点?

                How can I do this with Maven?

                推荐答案

                你可以直接在命令行传递,如

                You can just pass it on the command line, as

                mvn -DmyVariable=someValue install
                

                [更新]请注意,参数的顺序很重要 - 您需要在命令之前指定任何选项.[/Update]

                [Update] Note that the order of parameters is significant - you need to specify any options before the command(s).[/Update]

                在 POM 文件中,您可以将系统变量(在命令行或 pom 中指定)称为 ${myVariable},将环境变量称为 ${env.我的变量}.(感谢评论者的更正.)

                Within the POM file, you may refer to system variables (specified on the command line, or in the pom) as ${myVariable}, and environment variables as ${env.myVariable}. (Thanks to commenters for the correction.)

                好的,所以你想将你的系统变量传递给你的测试.如果 - 如我所料 - 你使用 Surefire 插件 进行测试,最好是在 pom 中指定所需的系统变量,在 plugins 部分,例如

                OK, so you want to pass your system variable to your tests. If - as I assume - you use the Surefire plugin for testing, the best is to specify the needed system variable(s) within the pom, in your plugins section, e.g.

                <build>
                    <plugins>
                        ...
                        <plugin>
                            <groupId>org.apache.maven.plugins</groupId>
                            <artifactId>maven-surefire-plugin</artifactId>
                            ...
                            <configuration>
                                ...
                                <systemPropertyVariables>
                                    <WSNSHELL_HOME>conf</WSNSHELL_HOME>
                                </systemPropertyVariables>
                            </configuration>
                        </plugin>
                        ...
                    </plugins>
                </build>
                

                这篇关于使用 Maven 的环境变量的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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