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LSH

2023-12-28 22850efea80014e039390874acef8dcaa16d5fc4

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package com.zy.asrs.service.impl;
 
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.baomidou.mybatisplus.service.impl.ServiceImpl;
import com.core.exception.CoolException;
import org.springframework.stereotype.Service;
import com.zy.asrs.entity.Tag;
import com.zy.asrs.mapper.TagMapper;
import com.zy.asrs.service.TagService;
 
@Service("tagService")
public class TagServiceImpl extends ServiceImpl<TagMapper, Tag> implements TagService {
 
    @Override
    public synchronized Tag getTop() {
        Tag top = this.selectOne(new EntityWrapper<Tag>().eq("level", 1));
        if (top == null) {
            top = new Tag();
            top.setName("全部");
            top.setType(0);
            top.setLevel(1);
            top.setStatus(1);
            top.setSort(0);
            Integer insert = this.baseMapper.insert(top);
            if (insert == 0) {
                throw new CoolException("服务器异常");
            }
        }
        return top;
    }
 
    @Override
    public Tag selectByName(String name, Integer level) {
        return this.selectOne(new EntityWrapper<Tag>().eq("name", name).eq("level", level));
    }
}