15:53:56.811 [http-nio-8088-exec-7] INFO c.e.w.c.PsychoanalysisController - error class com.github.pagehelper.Page cannot be cast to class com.baomidou.mybatisplus.extension.plugins.pagination.Page (com.github.pagehelper.Page and com.baomidou.mybatisplus.extension.plugins.pagination.Page are in unnamed module of loader ‘app’)

page 导入错了

应该用这两个

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;