SpringBoot电商项目实战

SpringBoot电商项目实战Day11

1.对创建订单添加了数据库事务。

2.对订单详情、订单列表、取消订单、二维码接口进行了开发。

package com.imooc.mall.Service.impl;

import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.google.zxing.WriterException;
import com.imooc.mall.Service.CartService;
import com.imooc.mall.Service.OrderService;
import com.imooc.mall.common.Constant;
import com.imooc.mall.exception.ImoocMallException;
import com.imooc.mall.exception.ImoocMallExceptionEnum;
import com.imooc.mall.filter.UserFilter;
import com.imooc.mall.model.dao.CartMapper;
import com.imooc.mall.model.dao.OrderItemMapper;
import com.imooc.mall.model.dao.OrderMapper;
import com.imooc.mall.model.dao.ProductMapper;
import com.imooc.mall.model.pojo.Order;
import com.imooc.mall.model.pojo.OrderItem;
import com.imooc.mall.model.pojo.Product;
import com.imooc.mall.model.request.CreateOrderReq;
import com.imooc.mall.model.vo.CartVO;
import com.imooc.mall.model.vo.OrderItemVO;
import com.imooc.mall.model.vo.OrderVO;
import com.imooc.mall.util.OrderCodeFactory;
import com.imooc.mall.util.QrcodeGenerator;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import javax.validation.Valid;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

/**
 * 描述：  订单Service实现类
 */
@Service
public class OrderServiceImpl implements OrderService {
   
    @Autowired
    CartService cartService;
    @Autowired
    ProductMapper productMapper;
    @Autowired
    CartMapper cartMapper;
    @Autowired
    OrderMapper orderMapper;
    @Autowired
    OrderItemMapper orderItemMapper;
    @Value("${file.upload.ip}")
    String ip;
    //数据库事务
    @Transactional(rollbackFor = Exception.class)
    @Override
    public String create(CreateOrderReq createOrderReq) {
   
        //拿到用户ID
        Integer userId = UserFilter.currentUser.getId();
        //从购物车查找已经勾选的商品
        List<CartVO> cartVOList = cartService.list(userId);
        ArrayList