新增心跳缓存

kongdeqiang

2024-03-19 bccd25039a08f8833b72ff906d156da63018db98

 src/main/java/com/boying/service/impl/ParkServiceImpl.java

@@ -1,16 +1,23 @@
package com.boying.service.impl;

import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.boying.entity.Barrier;
import com.boying.entity.Park;
import com.boying.entity.Ticket;
import com.boying.mapper.ParkMapper;
import com.boying.mapper.TicketMapper;
import com.boying.service.ParkService;
import com.boying.service.TicketService;
import com.boying.util.RedisJsonUtil;
import com.boying.util.StringUtil;
import lombok.AllArgsConstructor;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.List;
import java.util.Map;

/**
@@ -24,6 +31,7 @@
@AllArgsConstructor
public class ParkServiceImpl extends ServiceImpl<ParkMapper, Park> implements ParkService {
    private final ParkMapper parkMapper;
    private StringRedisTemplate redisTemplate;
    @Override
    public int count1() {
        QueryWrapper<Park> wrapper = new QueryWrapper<>();
@@ -36,4 +44,24 @@
            return sum.intValue();
        }
    }

    @Override
    public Park getOneById(Integer parkId) {
        Park park = null;
        try {
            String s  =  redisTemplate.opsForValue().get("park-"+parkId);
            if(!StringUtil.isNullOrEmpty(s)){
                park =  JSON.parseObject(s, Park.class);
                return park;
            }else {
               park = getById(parkId);
                String jsonValue = JSON.toJSONString(park);
                redisTemplate.opsForValue().set("park-"+parkId, jsonValue);
               return park;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }
}