前提
安装JDK。参考:http://www.cnblogs.com/Dylansuns/p/6974272.html
开启FTP服务。参考:https://blog.csdn.net/u011781521/article/details/78760803
搭建Nexus
参考:https://www.cnblogs.com/zishengY/p/7794923.html
Maven下载地址:http://mirror.bit.edu.cn/apache/maven/maven-3/3.6.0/binaries/apache-maven-3.6.0-bin.tar.gz
Nexus下载地址:https://www.sonatype.com/download-oss-sonatype