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| package cn.exrick.xboot.your.mapper;
|
| import com.baomidou.mybatisplus.core.mapper.BaseMapper;
| import cn.exrick.xboot.your.entity.Customer;
| import org.apache.ibatis.annotations.Select;
|
| import java.util.List;
|
| /**
| * 商户表数据处理层
| * @author zhangzeli
| */
| public interface CustomerMapper extends BaseMapper<Customer> {
|
| @Select("select count(id) from t_customer")
| int count();
| }
|
|
