mybatis引入mapper映射文件的4种方法
https://blog.csdn.net/ChOLg/article/details/100140484?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-3.nonecase&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-3.nonecase