4dkankan-center-app/src/main/java/com/fdkankan/app/service/impl/CameraDetailServiceImpl.java

package com.fdkankan.app.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.fdkankan.common.constant.Constant;
import com.fdkankan.app.entity.*;
import com.fdkankan.app.mapper.ICameraDetailMapper;
import com.fdkankan.app.service.*;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.joda.time.DateTime;
import org.joda.time.Days;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

/**
 * <p>
 * 相机子表 服务实现类
 * </p>
 *
 * @author 
 * @since 2022-07-04
 */
@Service
public class CameraDetailServiceImpl extends ServiceImpl<ICameraDetailMapper, CameraDetail> implements ICameraDetailService {


    @Override
    public Long getCountByUserId(Long userId) {
        LambdaQueryWrapper<CameraDetail> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(CameraDetail::getUserId,userId);
        return this.count(wrapper);
    }


}