尝试gant脚本

gant其实是ant的一个扩展，但是在逻辑判断等方面要强于ant，用gant做脚本时，需要用到gant-1.1.0_groovy-1.5.2.jar，只是在语法结构有点区别，以下是一个gant的简单示例：
build.gant
includeTargets << new File('build.ext.gant')
Ant.echo(message : 'running build.gant')
Ant.property(file : 'build.properties')
def antProperty = Ant.project.properties
def binDir='bin'
def srcDir='/opt/work'

target(init : 'init target') {
    echo(message : 'Executing init target')
}
target(hello : 'say hello target') {
    depends(init,ext)
    echo(message : antProperty.'echo.msg')

    int alt=new Random().nextInt(3)
    if(0==alt){
      echo(message: 'hello world')
    }else if(1==alt){
      echo(message: 'hello gant')
    }else{
      echo(message: 'hello Daniel')
    }
}
target(test:'run test'){
   echo(message:'delete binDir')
   delete(dir:"${binDir}")
   mkdir(dir:"${binDir}")
   copy(todir:"${binDir}"){
      fileset(dir:"${srcDir}"){
        include(name:"**/*.xml")
      }
   }
}
setDefaultTarget(hello)

build.ext.gant
target(ext:'ext target'){
  echo(message:'i am ext target')
}

build.properties
echo.msg=hello, Daniel