gradle配置阿里云加速仓库

在${GRADLE_HOME}/init.d目录下(C:\develop\gradle-5.1\init.d) ，新建repo.gradle

allprojects {
    repositories {
         maven {
             name "aliyunmaven"
             url "http://maven.aliyun.com/nexus/content/groups/public/"
         }
    }
}