Problem record (not completely solved yet!):
table of Contents
Appendix notes (to be improved!)
dom4j download
[Link: https://pan.baidu.com/s/1gzRmtKKhXa1sz5yP70di9g extraction code: zjxs]
Original way to import dom4j
Create a lib folder to store the jar package
Appendix notes (to be improved!)
Reference article: Maven project manually import jar package dependencies