订单表转jpa

package com.example.demo.repository;

import com.example.demo.dataobject.OrderMaster;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.repository.JpaRepository;

public interface OrderMasterRepository  extends JpaRepository<OrderMaster,String> {

    //以分页的形式查询订单order_master表里面数据   通过openid
    Page<OrderMaster> findByBuyerOpenid(String buyerOpenid, Pageable pageable);
}

详情表转JPA

package com.example.demo.repository;

import com.example.demo.dataobject.OrderDetail;
import org.springframework.data.jpa.repository.JpaRepository;

import java.util.List;

public interface OrderDetailRepository  extends JpaRepository<OrderDetail,String> {
       //通过订单id 查询表里面的数据
      List<OrderDetail> findByOrderId(String orderId);
}