下载和基本配置
https://ke.qq.com/webcourse/index.html#cid=434021&term_id=100518216&taid=3776543268970341&vid=5285890792738118996
eclipse里面配置maven
https://ke.qq.com/webcourse/index.html#cid=434021&term_id=100518216&taid=3776547563937637&vid=5285890793135647988