Java 在类中读取命令行gradle vars
在我的Java 在类中读取命令行gradle vars,java,gradle,command-line,environment-variables,args,Java,Gradle,Command Line,Environment Variables,Args,在我的build.gradle中,我有一个任务: run { dependsOn ':jar' args = [ 'run', project.mainVerticleName, '-cluster', "-launcher-class=$mainClassName", '-Denvironment=development' ] } 我想指定命令行参数并在类中读取它们 我试过: .\gradlew.bat run -Dhttpport=8825 -Phttpport=8825 但我班
build.gradle
中,我有一个任务:
run {
dependsOn ':jar'
args = [ 'run', project.mainVerticleName, '-cluster', "-launcher-class=$mainClassName", '-Denvironment=development' ]
}
我想指定命令行参数并在类中读取它们
我试过:
.\gradlew.bat run -Dhttpport=8825 -Phttpport=8825
但我班上的台词是:
log.info "port = ${System.getProperty( 'httpport' )}"
log.info "port = ${System.getenv( 'httpport' )}"
两种情况下的日志null
s
我错过了什么?这个:
.\gradlew.bat run -Dhttpport=8825
您正在将系统属性传递给gradle本身,而不是它将启动的进程。要使其以这种方式工作,您需要按如下方式配置运行
:
run {
dependsOn ':jar'
args = [ 'run', project.mainVerticleName, '-cluster', "-launcher-class=$mainClassName", '-Denvironment=development' ]
systemProperties System.properties
}
以及:
您还可以使用项目属性(-p
)配置系统属性,以便:
然后:
.\gradlew.bat run -Phttpport=8825
run {
dependsOn ':jar'
args = [ 'run', project.mainVerticleName, '-cluster', "-launcher-class=$mainClassName", '-Denvironment=development' ]
systemProperties [httpport:project.httpport]
}
.\gradlew.bat run -Phttpport=8825