src/main/java/com/gxuwz/jyd/service/impl/SysClassesServiceImpl.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.pojo.SysClasses;
import com.gxuwz.jyd.mapper.SysClassesMapper;
import com.gxuwz.jyd.service.SysClassesService;
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>
 * 班级表 服务实现类
 * </p>
 *
 * @author jyd
 * @since 2021-05-05
 */
@Service
public class SysClassesServiceImpl extends ServiceImpl<SysClassesMapper, SysClasses> implements SysClassesService {

    @Autowired
    private SysClassesMapper classesMapper;

    @Override
    public PageInfo<SysClasses> queryClassPageByName(Integer pageNum, Integer pageSize, String className) {
        PageHelper.startPage(pageNum,pageSize);
        List<SysClasses> sysClasses = classesMapper.queryClassPageByName(className);
        PageInfo<SysClasses> pageInfo = new PageInfo<SysClasses>(sysClasses);
        return pageInfo;
    }

    @Override
    public void insertClass(SysClasses classes) {
        classesMapper.insert(classes);
    }

    @Override
    public SysClasses queryClassById(Integer id) {
        SysClasses sysClasses = classesMapper.selectById(id);
        return sysClasses;
    }

    @Override
    public Integer updateClass(SysClasses classes) {
        int byId = classesMapper.updateById(classes);
        return byId;
    }

    @Override
    public void deleteClass(Integer id) {
        classesMapper.deleteById(id);
    }

    @Override
    public List<SysClasses> findAllClass() {
        return classesMapper.selectList(null);