gradle-tasks.register(‘classesJar‘, Jar)解析

不穿铠甲的穿山甲2025-04-29 9:19

在使用gradle作为构建工具的android或者java web项目中，我们经常能遇到以下格式

cpp 复制代码

tasks.register('classesJar', Jar) {
    from "$buildDir/intermediates/javac/release/classes" // 假设使用 release 构建变体
}

 artifact sourcesJar

使用伪代码解释

cpp 复制代码

class CustomTasks{
   def taskMap = new HashMap()

   def register(taskName, taskClass, closure){
      def task = taskClass.newInstance();
      taskMap.put(taskName, task)
      closure.call(task)
   }
}


class JarTask{

  def customTaskRef = "我是一个自定义任务"
  def fromSrc = ""
  def toSrc = ""

  def doSelf(){
   println "定义一任务执行体，action"
  }
  
  def from(src){
     fromSrc = src
  }
  
  def to(src){
     toSrc = src
  }

}

def tasks2 = new CustomTasks();

tasks2.register("deoTest", JarTask){
  it.from  "src/main/java/com"
  it.to "src/test/java/com"  
}


def artifact = {
    def task = tasks2.taskMap[it]
	println "测试" + task.customTaskRef
	println "测试" + task.fromSrc + "," + task.toSrc
	
}

artifact 'deoTest'

运行

cpp 复制代码

gradle --init-script=脚本路径

测试结果