gradle介绍:http://www.oschina.net/p/gradle
gradle官网:https://gradle.org
gradle的 eclipse 插件:http://www.vogella.com/tutorials/EclipseGradle/article.html#install-eclipse-gradle-buildship-tooling
将使用了gradle的项目转为eclipse可以导入的项目: ①cmd进入项目文件夹 ②gradle cleanIdea eclipse