Gradle的属性设置大全

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guestName= Bowen

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task hello << {
     println $guestName
     println "hello, $guestName"
}

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$ gradle hello -q
Bowen
hello, Bowen

$ gradle properties | grep guestName
guestName: Bowen

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ext {
     guestName='Bowen'
}

task hello << {
     println guestName
     println "hello, $guestName"
}

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$ gradle hello -q
Bowen
hello, Bowen

$ gradle properties | grep guestName
guestName: Bowen
$ gradle properties | grep ext
ext: org.gradle.api.internal.plugins.DefaultExtraPropertiesExtension@10ef5fa0

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task hello << {
     println System.properties['guestName']
}

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$ gradle hello -DguestName='Bowen' -q
Bowen

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task hello << {
      println "hello, $guestName"
}

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$ gradle hello -PguestName='Bowen' -q
hello, Bowen

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systemProp.guestName = 'Bowen'

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task hello << {
      println "hello, " + System.properties['guestName']
}

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$ gradle hello -q
hello, Bowen

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task hello << {
      println "hello, " + guestName
}

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$ gradle hello -Dorg.gradle.project.guestName=Bowen -q
hello, Bowen

$ export ORG_GRADLE_PROJECT_guestName=Bob
$ gradle hello -q
hello, Bob