Question

我只是在学习Maven，所以这可能很明显，但我找不到一个简单的方法来列出给定项目的每个maven生命周期阶段的相关目标。

我看到Maven默认生命周期阶段和相应的默认目标都记录在案here。到目前为止，我的理解是每个pom.xml都可以为每个生命周期阶段绑定其他目标。

那么，是否有一个mvn命令来确定为给定项目的每个生命周期阶段运行的目标？如果没有，我想我只需要查看每个新maven项目的pom.xml来解决这个问题吗？

Answer 1

mvn help:describe -Dcmd=compile（或任何其他有效阶段）

Answer 2

buildplan-maven-plugin是展示目标如何与阶段相关联的绝佳工具。

以下是您可以运行的命令示例。如果尚未安装插件，命令将自动下载并安装插件。

按照执行顺序列出目标

> mvn fr.jcgay.maven.plugins:buildplan-maven-plugin:list

PLUGIN                  | PHASE                  | ID                    | GOAL
--------------------------------------------------------------------------------------------
maven-enforcer-plugin   | validate               | default               | enforce
maven-dependency-plugin | process-sources        | default               | copy-dependencies
maven-resources-plugin  | process-resources      | default-resources     | resources
maven-compiler-plugin   | compile                | default-compile       | compile
maven-resources-plugin  | process-test-resources | default-testResources | testResources
maven-compiler-plugin   | test-compile           | default-testCompile   | testCompile
maven-surefire-plugin   | test                   | default-test          | test
maven-jar-plugin        | package                | default-jar           | jar
maven-assembly-plugin   | package                | make-assembly         | single
maven-install-plugin    | install                | default-install       | install
maven-deploy-plugin     | deploy                 | default-deploy        | deploy

按阶段分组目标

> mvn fr.jcgay.maven.plugins:buildplan-maven-plugin:list-phase

validate -----------------------------------------------------------------
    + maven-enforcer-plugin   | default               | enforce
process-sources ----------------------------------------------------------
    + maven-dependency-plugin | default               | copy-dependencies
process-resources --------------------------------------------------------
    + maven-resources-plugin  | default-resources     | resources
compile ------------------------------------------------------------------
    + maven-compiler-plugin   | default-compile       | compile
process-test-resources ---------------------------------------------------
    + maven-resources-plugin  | default-testResources | testResources
test-compile -------------------------------------------------------------
    + maven-compiler-plugin   | default-testCompile   | testCompile
test ---------------------------------------------------------------------
    + maven-surefire-plugin   | default-test          | test
package ------------------------------------------------------------------
    + maven-jar-plugin        | default-jar           | jar
    + maven-assembly-plugin   | make-assembly         | single
install ------------------------------------------------------------------
    + maven-install-plugin    | default-install       | install
deploy -------------------------------------------------------------------
    + maven-deploy-plugin     | default-deploy        | deploy

插件的目标

> mvn fr.jcgay.maven.plugins:buildplan-maven-plugin:list-plugin

maven-enforcer-plugin ---------------------------------------------------
    + validate               | default               | enforce
maven-dependency-plugin -------------------------------------------------
    + process-sources        | default               | copy-dependencies
maven-resources-plugin --------------------------------------------------
    + process-resources      | default-resources     | resources
    + process-test-resources | default-testResources | testResources
maven-compiler-plugin ---------------------------------------------------
    + compile                | default-compile       | compile
    + test-compile           | default-testCompile   | testCompile
maven-surefire-plugin ---------------------------------------------------
    + test                   | default-test          | test
maven-jar-plugin --------------------------------------------------------
    + package                | default-jar           | jar
maven-assembly-plugin ---------------------------------------------------
    + package                | make-assembly         | single
maven-install-plugin ----------------------------------------------------
    + install                | default-install       | install
maven-deploy-plugin -----------------------------------------------------
    + deploy                 | default-deploy        | deploy

备注

默认情况下，目标搜索在用户调用mvn deploy时将运行的任务。不包括clean等阶段。要在搜索中包含多个阶段，请使用buildplan.tasks属性：

> mvn fr.jcgay.maven.plugins:buildplan-maven-plugin:list -Dbuildplan.tasks=clean,deploy

Answer 3

一个有用的工具是mvn help:effective-pom它将打印包含所有变量的POM，并扩展所有父POM。这有助于理解Maven看到的内容。从那里，找到所有额外的目标（通常不是那么多）非常简单。

更大的问题是隐含目标（即当插件自动挂钩到生命周期的某些阶段时）。没有实际运行Maven就没有简单的方法可以看到这些。这应该在Maven 3中变得更好。在那之前，使用-X运行Maven，它将打印大量的调试输出加上当前阶段以及执行哪些插件。

Answer 4

如果没有Maven但是使用m2e你可以使用你可以在Eclipse插件中使用的代码块来实现它：

final IMavenProjectRegistry projectRegistry = MavenPlugin.getMavenProjectRegistry();
    final IMavenProjectFacade facade = projectRegistry.getProject(project);
    projectRegistry.execute(facade, new ICallable<Void>() {
        public Void call(IMavenExecutionContext context, IProgressMonitor monitor) throws CoreException {
            MavenProject mavenProject = facade.getMavenProject(monitor);
            List<MojoExecution> mojoExecutions = ((MavenProjectFacade) facade).getMojoExecutions(monitor);
            LifecycleMappingResult mappingResult = LifecycleMappingFactory.calculateLifecycleMapping(
                    mavenProject, mojoExecutions, facade.getResolverConfiguration().getLifecycleMappingId(),
                    monitor);
            Map<MojoExecutionKey, List<IPluginExecutionMetadata>> mojoExecutionMapping = mappingResult
                    .getMojoExecutionMapping();

            Map<String, List<MojoExecutionKey>> phases = new LinkedHashMap<String, List<MojoExecutionKey>>();
            for (MojoExecutionKey execution : mojoExecutionMapping.keySet()) {
                List<MojoExecutionKey> executions = phases.get(execution.getLifecyclePhase());
                if (executions == null) {
                    executions = new ArrayList<MojoExecutionKey>();
                    phases.put(execution.getLifecyclePhase(), executions);

                    }
                    executions.add(execution);
                }

查看完整source。

已实施于：

http://marketplace.eclipse.org/content/phases-and-goals

它利用m2e计算目标与阶段关联的能力。我也试图在maven级解决它。

Answer 5

我把Chad的答案放到一个脚本中（所以我不必记住插件名称真的很长）。把它放在〜/ bin /文件夹中，这样你就可以在任何地方使用它。

main.c: In function 'main':
main.c:23:9: error: expected expression before 'int'

main.c:25:33: error: invalid operands to binary + (have 'int (*)()' and 'int (*)
main.c:25:58: error: expected expression before 'int'
                                                      ^
main.c:27:33: error: invalid operands to binary + (have 'int (*)()' and 'int (*)
 expected identifier or '(' before '{' token

Maven命令列出生命周期阶段以及绑定目标？

5 个答案:

按照执行顺序列出目标

按阶段分组目标

插件的目标

备注