src/main/java/com/gxuwz/jyd/service/impl/SysCourseServiceImpl.java

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package com.gxuwz.jyd.service.impl;

import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.gxuwz.jyd.mapper.SysClassesMapper;
import com.gxuwz.jyd.pojo.SysCourse;
import com.gxuwz.jyd.mapper.SysCourseMapper;
import com.gxuwz.jyd.service.SysCourseService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

/**
 * <p>
 * 班级课程表 服务实现类
 * </p>
 *
 * @author jyd
 * @since 2021-05-05
 */
@Service
public class SysCourseServiceImpl extends ServiceImpl<SysCourseMapper, SysCourse> implements SysCourseService {
    @Autowired
    private SysCourseMapper courseMapper;

    @Override
    public PageInfo<SysCourse> queryCoursePageByName(Integer pageNum, Integer pageSize, String courseName) {
        PageHelper.startPage(pageNum,pageSize);
        List<SysCourse> sysCourses = courseMapper.queryCoursePageByName(courseName);
        PageInfo<SysCourse> pageInfo = new PageInfo<SysCourse>(sysCourses);
        return pageInfo;
    }

    @Override
    public void insertCourse(SysCourse course) {
        courseMapper.insert(course);
    }

    @Override
    public SysCourse queryById(Integer id) {
        SysCourse selectById = courseMapper.selectById(id);
        return selectById;
    }

    @Override
    public Integer updateCourse(SysCourse course) {

        return courseMapper.updateById(course);
    }

    @Override
    public void deleteCourse(Integer id) {
        courseMapper.deleteById(id);
    }

    @Override
    public List<SysCourse> findAllCourse() {
        return courseMapper.selectList(null);