package com.sincere.student.service.impl; import com.github.pagehelper.PageHelper; import com.sincere.student.dto.VideoSearchDto; import com.sincere.student.mapper.VideoMapper; import com.sincere.student.model.Video; import com.sincere.student.service.VideoService; import com.sincere.student.utils.Page; import org.apache.commons.lang3.StringUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import java.util.List; @Service public class VideoServiceImpl implements VideoService { @Autowired VideoMapper videoMapper ; @Override public Page