Use java open source tools httpClient and jsoup to grab and parse web data: https://blog.csdn.net/lovoo/article/details/52674712
jsoup Cookbook (Chinese version) : http://www.open-open.com/jsoup/
Log management using spring mvc AOP (with annotation @AspectJ) : http://dove19900520.iteye.com/blog/2289806
AVA tool class (17)--Java import and export Excel tool class ExcelUtil: https://blog.csdn.net/lovoo/article/details/52022527
Rookie Tutorial: http://www.runoob.com/linux/linux-shell.html
WordPress Beginner's Guide, including WordPress introduction, installation, background function introduction and basic settings, etc., to help novice friends quickly understand WordPress: https://www.wpdaxue.com/tutorials/start/