一个基于Spring，SpringMVC，Mybatis 构建的电商平台

package com.ppmall.service.impl; import java.io.File; import java.io.IOException; import java.math.BigDecimal; import java.util.ArrayList; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Random; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.redis.connection.DataType; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import com.alipay.api.AlipayApiException; import com.alipay.api.response.AlipayTradePrecreateResponse; import com.alipay.config.Configs; import com.alipay.model.ExtendParams; import com.alipay.model.GoodsDetail; import com.alipay.model.builder.AlipayTradePrecreateRequestBuilder; import com.alipay.model.result.AlipayF2FPrecreateResult; import com.alipay.service.AlipayTradeService; import com.alipay.service.impl.AlipayTradeServiceImpl; import com.alipay.util.ZxingUtil; import com.github.pagehelper.PageHelper; import com.github.pagehelper.PageInfo; import com.ppmall.common.Const; import com.ppmall.common.ServerResponse; import com.ppmall.dao.CartMapper; import com.ppmall.dao.OrderItemMapper; import com.ppmall.dao.OrderMapper; import com.ppmall.dao.PayInfoMapper; import com.ppmall.dao.ProductMapper; import com.ppmall.dao.ShippingMapper; import com.ppmall.pojo.Order; import com.ppmall.pojo.OrderItem; import com.ppmall.pojo.PayInfo; import com.ppmall.pojo.Product; import com.ppmall.pojo.Shipping; import com.ppmall.service.IOrderService; import com.ppmall.util.DateUtil; import com.ppmall.util.FtpUtil; import com.ppmall.util.PropertiesUtil; import com.ppmall.vo.CartProductVo; import com.ppmall.vo.OrderInfoVo; import com.ppmall.vo.OrderItemVo; @Service("iOrderService") public class OrderServiceImpl implements IOrderService { @Autowired private OrderMapper orderMapper; @Autowired private ShippingMapper shippingMapper; @Autowired private OrderItemMapper orderItemMapper; @Autowired private CartMapper cartMapper; @Autowired private ProductMapper productMapper; @Autowired private PayInfoMapper payInfoMapper; @Override public ServerResponse getOrderList(Long orderNum, int pageNum, int pageSize) { PageHelper.startPage(pageNum, pageSize); Map paramMap = new HashMap(); paramMap.put("orderNum", orderNum); List<Order> orderList = orderMapper.selectAll(paramMap); PageInfo<Order> pageResult = new PageInfo<>(orderList); return ServerResponse.createSuccess("获取成功", pageResult); } @Override public ServerResponse getOrderDetail(Long orderNo) { Order order = orderMapper.selectByOrderNo(orderNo); if (order == null) return ServerResponse.createErrorMessage("找不到该订单"); int shippingId = order.getShippingId(); Shipping shipping = shippingMapper.selectByPrimaryKey(shippingId); List<OrderItem> orderItems = orderItemMapper.selectByOrderNo(orderNo); String imageHost = PropertiesUtil.getProperty("ftp.server.http.prefix"); OrderInfoVo orderInfoVo = new OrderInfoVo(); if (order.getCreateTime() != null) orderInfoVo.setCreateTime(DateUtil.getDateString(order.getCreateTime())); if (order.getPaymentTime() != null) orderInfoVo.setPaymentTime(DateUtil.getDateString(order.getPaymentTime())); if (order.getSendTime() != null) orderInfoVo.setSendTime(DateUtil.getDateString(order.getSendTime())); if (order.getCloseTime() != null) orderInfoVo.setCloseTime(DateUtil.getDateString(order.getCloseTime())); if (order.getEndTime() != null) orderInfoVo.setEndTime(DateUtil.getDateString(order.getEndTime())); if (order.getPaymentType() != null) orderInfoVo.setPaymentTypeDesc(Const.PayType.codeOf(order.getPaymentType()).getDesc()); orderInfoVo.setStatus(order.getStatus()); orderInfoVo.setStatusDesc(Const.OrderStatus.codeOf(order.getStatus()).getDesc()); orderInfoVo.setImageHost(PropertiesUtil.getProperty("ftp.server.http.prefix")); orderInfoVo.setOrderItemVoList(orderItems); orderInfoVo.setOrderNo(order.getOrderNo()); orderInfoVo.setPayment(order.getPayment()); orderInfoVo.setShippingVo(shipping); return ServerResponse.createSuccess("获取成功", orderInfoVo); } @Override public ServerResponse getOrderCart(int userId) { List<OrderItemVo> list = orderItemMapper.selectCart(userId, 1); double cartTotalPrice = 0; for (OrderItemVo vo : list) { double totalPrice = vo.getTotalPrice(); cartTotalPrice += totalPrice; } Map returnMap = new HashMap<>(); returnMap.put("imageHost", PropertiesUtil.getProperty("ftp.server.http.prefix")); returnMap.put("productTotalPrice", cartTotalPrice); returnMap.put("orderItemVoList", list); return ServerResponse.createSuccess("获取成功", returnMap); } @Override @Transactional public ServerResponse createOrder(int userId, int shippingId) { List<CartProductVo> cartCheckedList = cartMapper.selectCartProductListByUserIdAndChecked(userId, 1);// 1是选中 long orderNo = generateOrderNo(); Date date = DateUtil.getDate(); double paymentTotal = 0; List batchInsertList = new ArrayList(); List deleteCartList = new ArrayList<>(); List updateProductList = new ArrayList<>(); if (cartCheckedList == null || cartCheckedList.size() == 0) { return ServerResponse.createErrorMessage("购物车为空~"); } for (CartProductVo vo : cartCheckedList) { OrderItem item = new OrderItem(); item.setOrderNo(orderNo); item.setUserId(userId); item.setCurrentUnitPrice(new BigDecimal(vo.getProductPrice())); item.setProductId(vo.getProductId()); item.setProductImage(vo.getProductMainImage()); item.setProductName(vo.getProductName()); item.setQuantity(vo.getQuantity()); item.setTotalPrice(new BigDecimal(vo.getProductTotalPrice())); item.setCreateTime(date); item.setUpdateTime(date); paymentTotal += vo.getProductTotalPrice(); batchInsertList.add(item); deleteCartList.add(vo.getProductId()); Product product = new Product(); product.setId(vo.getProductId()); product.setStock(vo.getProductStock() - vo.getQuantity()); updateProductList.add(product); } BigDecimal payment = new BigDecimal(paymentTotal); Order order = new Order(); order.setCreateTime(date); order.setOrderNo(orderNo); order.setPayment(payment); order.setPostage(0); order.setShippingId(shippingId); order.setStatus(Const.OrderStatus.UNPAY.getCode()); order.setUpdateTime(date); order.setUserId(userId); order.setOrderNo(orderNo); orderMapper.insertSelective(order); orderItemMapper.insertBatchSelective(batchInsertList); productMapper.updateBatchSelective(updateProductList); cleanCart(userId, deleteCartList); ServerResponse response = getOrderDetail(orderNo); return ServerResponse.createSuccess("创建成功", response.getData()); } private int cleanCart(int userId, List deleteCartList) { Map paramMap = new HashMap<>(); paramMap.put("productIds", deleteCartList.toArray()); paramMap.put("userId", userId); return cartMapper.deleteByProductIds(paramMap); } private long generateOrderNo() { long currentTime = System.currentTimeMillis(); return currentTime + new Random().nextInt(100); } @Override public ServerResponse getOrderList(int userId, int pageNum, int pageSize) { // TODO Auto-generated method stub PageHelper.startPage(pageNum, pageSize); Map paramMap = new HashMap(); paramMap.put("userId", userId); List returnList = new ArrayList<>(); List<Order> orderList = orderMapper.selectAll(paramMap); for (Order order : orderList) { List<OrderItem> orderItems = orderItemMapper.selectByOrderNo(order.getOrderNo()); Shipping shippingVo = shippingMapper.selectByPrimaryKey(order.getShippingId()); OrderInfoVo orderInfoVo = new OrderInfoVo(); if (order.getCreateTime() != null) orderInfoVo.setCreateTime(DateUtil.getDateString(order.getCreateTime())); if (order.getPaymentTime() != null) orderInfoVo.setPaymentTime(DateUtil.getDateString(order.getPaymentTime()));