package com.zy.asrs.service.impl; import com.baomidou.mybatisplus.mapper.EntityWrapper; import com.core.common.Cools; import com.zy.asrs.mapper.OrderMapper; import com.zy.asrs.entity.Order; import com.zy.asrs.service.OrderService; import com.baomidou.mybatisplus.service.impl.ServiceImpl; import org.springframework.stereotype.Service; import java.util.List; @Service("orderService") public class OrderServiceImpl extends ServiceImpl implements OrderService { @Override public Order selectByNo(String orderNo) { List orderList = this.selectList(new EntityWrapper().eq("order_no", orderNo)); if (Cools.isEmpty(orderList)) { return null; } return orderList.get(0); } }