解决maven控制台输出乱码 https://blog.csdn.net/weixin_42443070/article/details/88085762
创建空maven https://blog.csdn.net/wfy2695766757/article/details/81189291
本机+idea配置tomcat https://www.jianshu.com/p/3c75f7fd2f90
解决tomcat 404 https://blog.csdn.net/hupixiong/article/details/105443606 https://blog.csdn.net/shengshengshiwo/article/details/82995774?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-2.nonecase&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-2.nonecase
改url 8080/ 改depolyment 改访问路径为/
修改xml中所有com.o2o.路径
数据库连接 修改密码 加上&serverTimezone=UTC
修改junit 版本4.12 修改mysql 版本 8.0.19
