eclipse安装和配置Gradle插件

配置：

1. 首先下载Gradle：https://gradle.org/gradle-download/
2. 设置Gradle环境变量：
   1. GRADLE_HOME
   2. %GRADLE_HOME%\bin”
   3. 参考：  http://jingyan.baidu.com/article/9225544684a97c851648f486.html
3. eclipse安装Gradle插件：

　　　　　　buildship安装简介：

　　　　　　　　参考：https://github.com/eclipse/buildship/blob/master/docs/user/Installation.md

　　　　　　　　方法一：

　　　　　　　　　　不同的eclipse版本对应的插件版本链接如下：

Eclipse Version	Type	Update Site
Oxygen (4.7)	release	http://download.eclipse.org/buildship/updates/e47/releases/2.x
Oxygen (4.7)	milestone	http://download.eclipse.org/buildship/updates/e47/milestones/2.x
Oxygen (4.7)	snapshot	http://download.eclipse.org/buildship/updates/e47/snapshots/2.x
Neon (4.6)	release	http://download.eclipse.org/buildship/updates/e46/releases/2.x
Neon (4.6)	milestone	http://download.eclipse.org/buildship/updates/e46/milestones/2.x
Neon (4.6)	snapshot	http://download.eclipse.org/buildship/updates/e46/snapshots/2.x
Mars (4.5)	release	http://download.eclipse.org/buildship/updates/e45/releases/2.x
Mars (4.5)	milestone	http://download.eclipse.org/buildship/updates/e45/milestones/2.x
Mars (4.5)	snapshot	http://download.eclipse.org/buildship/updates/e45/snapshots/2.x
Luna (4.4)	release	http://download.eclipse.org/buildship/updates/e44/releases/2.x
Luna (4.4)	milestone	http://download.eclipse.org/buildship/updates/e44/milestones/2.x
Luna (4.4)	snapshot	http://download.eclipse.org/buildship/updates/e44/snapshots/2.x
Kepler (4.3)	release	http://download.eclipse.org/buildship/updates/e43/releases/2.x
Kepler (4.3)	milestone	http://download.eclipse.org/buildship/updates/e43/milestones/2.x
Kepler (4.3)	snapshot	http://download.eclipse.org/buildship/updates/e43/snapshots/2.x
Juno (4.2)	release	http://download.eclipse.org/buildship/updates/e42/releases/2.x
Juno (4.2)	milestone	http://download.eclipse.org/buildship/updates/e42/milestones/2.x
Juno (4.2)	snapshot	http://download.eclipse.org/buildship/updates/e42/snapshots/2.x

　　　　　　　　　　　　Help　　-->　　Install New Software　　-->　　Add　　-->　　http://......

　　　　　　　　方法二：

　　　　　　　　　　　　Help　　-->　　Eclipse Marketplace　　-->　　buildship