使用ANT build构建Angular5项目时，ng build无法工作
使用ANT build构建Angular5项目时，ng build无法工作
提问于 2019-05-20 17:32:34
我有一个java应用程序，它运行在本地主机:9080上，另一个angular5项目(angularWeb)在同一项目的WebContent文件夹中，它运行在不同的端口本地主机:4200上
按照要求，我需要集成两个项目运行在同一个服务器上的localhost:9080，这两个(java和角度项目)需要在相同的位置，这就是为什么我在web内容文件夹中的角度项目。
请帮我理解一下遗漏了什么。
首先:我在angular项目中创建了一个目标为localhost:9080的proxy.conf.json文件。
第二:我已经通过代理文件“package.json”启动了angular应用程序："ng serve -- proxy -conf proxy.conf.json"，
第三:我在build.xml文件中添加了一些目标
...
...
<property name="project.angularWebPath" location="${project.webContentPathh}/angularweb" />
<target name="mkfolders">
<mkdir dir="${project.webContentPath}/js" />
<mkdir dir="${project.webContentPath}/css" />
<mkdir dir="${project.webContentPath}/img" />
<mkdir dir="${project.webContentPath}/lib" />
<mkdir dir="${project.webContentPath}/partials" />
</target>
<target name="mkfiles">
<touch file="${project.webContentPath}/js/app.js" />
<touch file="${project.webContentPath}/js/controller.js" />
<touch file="${project.webContentPath}/js/directives.js" />
<touch file="${project.webContentPath}/js/filters.js" />
<touch file="${project.webContentPath}/js/services.js" />
<touch file="${project.webContentPath}/index.html" />
</target>
<target name="ngBuild">
<echo>Building Angular Project</echo>
<exec executable="${project.angularWebPath}/node_modules/@angular/cli/bin/ng.cmd" failonerror="true">
<arg value="build" />
<arg value="--prod" />
<arg value="--bh" />
</exec>
<echo>Built Angular Project</echo>
</target>
<target name="angularBuild">
<antcall target="mkfolders" />
<antcall target="mkfiles" />
<!--<antcall target="npmInstall" />-->
<antcall target="ngBuild" />
</target>
...
...现在，当我在ANT中运行angularBuild时，它会给出以下错误
Buildfile: D:\devops\repository\komponente_server\RechercheEAR\build.xml
[clover-env] Loading clover.xml: jar:file:/D:/devops/repository/komponente_server/Shared/testlib/clover.jar!/clover.xml
angularBuild:
[clover-env] Loading clover.xml: jar:file:/D:/devops/repository/komponente_server/Shared/testlib/clover.jar!/clover.xml
mkfolders:
[clover-env] Loading clover.xml: jar:file:/D:/devops/repository/komponente_server/Shared/testlib/clover.jar!/clover.xml
mkfiles:
[clover-env] Loading clover.xml: jar:file:/D:/devops/repository/komponente_server/Shared/testlib/clover.jar!/clover.xml
ngBuild:
[echo] Building Angular Project
BUILD FAILED
D:\devops\repository\komponente_server\RechercheEAR\build.xml:71: The following error occurred while executing this line:
D:\devops\repository\komponente_server\RechercheEAR\build.xml:60: Execute failed: java.io.IOException: Cannot run program "D:\devops\repository\komponente_server\Recherche\WebContent\angularweb\node_modules\@angular\cli\bin\ng.cmd" (in directory "D:\devops\repository\komponente_server"): CreateProcess error=2, The system cannot find the file specified
Total time: 6 seconds回答 1
Stack Overflow用户
发布于 2019-05-21 05:52:28
Ant的exec任务直接在Windows中启动文件有问题。尝试仅将executable属性设置为cmd本身，并将文件作为参数传递。官方文档页面详细介绍了为什么会出现这种情况：https://ant.apache.org/manual/Tasks/exec.html
此外，通过目标依赖关系构建构建结构通常是一个好主意，而不是使用antcall任务的顺序列表。
<property name="project.angularWebPath" location="${project.webContentPathh}/angularweb" />
<target name="mkfolders">
<mkdir dir="${project.webContentPath}/js" />
<mkdir dir="${project.webContentPath}/css" />
<mkdir dir="${project.webContentPath}/img" />
<mkdir dir="${project.webContentPath}/lib" />
<mkdir dir="${project.webContentPath}/partials" />
</target>
<target name="mkfiles" depends="mkfolders">
<touch file="${project.webContentPath}/js/app.js" />
<touch file="${project.webContentPath}/js/controller.js" />
<touch file="${project.webContentPath}/js/directives.js" />
<touch file="${project.webContentPath}/js/filters.js" />
<touch file="${project.webContentPath}/js/services.js" />
<touch file="${project.webContentPath}/index.html" />
</target>
<target name="ngBuild" depends="mkfiles,mkfolders">
<echo message="Building Angular Project" />
<exec executable="cmd" failonerror="true">
<arg value="/C" />
<arg value="${project.angularWebPath}/node_modules/@angular/cli/bin/ng.cmd" />
<arg value="build" />
<arg value="--prod" />
<arg value="--bh" />
</exec>
<echo message="Built Angular Project" />
</target>
<target name="angularBuild" depends="mkfiles,mkfolders,ngBuild" />页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/56218058
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