package com.hxzk.service.impl; import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; import com.hxzk.mapper.SystemNameDao; import com.hxzk.pojo.TbSystemName; import com.hxzk.service.SystemNameService; import org.springframework.stereotype.Service; import javax.xml.namespace.QName; @Service public class SystemNameServiceImpl extends ServiceImpl implements SystemNameService { @Override public TbSystemName findSystemName() { QueryWrapper queryWrapper = new QueryWrapper<>(); queryWrapper.eq("id",1); return baseMapper.selectOne(queryWrapper); } @Override public void updateSystemName(TbSystemName systemName) { QueryWrapper queryWrapper = new QueryWrapper<>(); queryWrapper.eq("id",1); baseMapper.update(systemName,queryWrapper); } }