Gradle执行命令行命令

//java -jar signapk.jar -w platform.x509.pem platform.pk8 app-debug.apk app-debug-sign.apk
task sign(type: Exec, description: 'sign apk') {
    workingDir '/'
    def myCommond = [
            'java', '-jar', 'signapk.jar', '-w', 'platform.x509.pem', 'platform.pk8', './build/outputs/apk/debug/app-debug.apk', "app-debug-sign.apk"
    ]
    commandLine myCommond
}