// 删除
@RequestMapping(value = "/shopping/delProduct.shtml")
public String delProduct(
Integer skuId, HttpServletRequest request, HttpServletResponse response) {
ObjectMapper om = new ObjectMapper();
// 设置成如果字段为Null就不要转了
om.setSerializationInclusion(Inclusion.NON_NULL);
// 购物车对象
BuyCart buyCart = null; // json串
// 判断 看Cookie是否为空
Cookie[] cookies = request.getCookies();
// jsessionid 最少要有它
if (null != cookies && cookies.length > 0) {
for (Cookie cookie : cookies) {
if (Constants.BUYER_CART.equals(cookie.getName())) {
try {
buyCart = om.readValue(cookie.getValue(), BuyCart.class);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
break;
}
}
}
// 删除
buyCart.deleteBuyItem(skuId);
// 转
StringWriter str = new StringWriter();
try {
om.writeValue(str, buyCart);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
// 最新
Cookie cookie = new Cookie(Constants.BUYER_CART, str.toString());
// 要求关闭浏览器也要存在 设置Cookie 存活时间 或
// 0 : 立即消毁
// -1 : 关闭浏览器消毁 默认
// > 0 : 表示到时间才消毁 单位 秒
cookie.setMaxAge(60 * 60 * 24);
// 设置 Cookie的路径 jsessionid
cookie.setPath("/");
// 写回浏览器
response.addCookie(cookie);
return "redirect:/shopping/buyCart.shtml";
}
// 提交订单
@RequestMapping(value = "/buyer/confirmOrder.shtml")
public String confirmOrder(
Order order, HttpServletRequest request, HttpServletResponse response, Model model)
throws Exception {
// 1:从Cookie取购物车
ObjectMapper om = new ObjectMapper();
// 设置成如果字段为Null就不要转了
om.setSerializationInclusion(Inclusion.NON_NULL);
// 购物车对象
BuyCart buyCart = null; // json串
// 判断 看Cookie是否为空
Cookie[] cookies = request.getCookies();
// jsessionid 最少要有它
if (null != cookies && cookies.length > 0) {
for (Cookie cookie : cookies) {
if (Constants.BUYER_CART.equals(cookie.getName())) {
try {
buyCart = om.readValue(cookie.getValue(), BuyCart.class);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
break;
}
}
}
// 把购物车数据装满 此时购物车中只有 skuId amount
List<BuyItem> items = buyCart.getItems();
if (null != items && items.size() > 0) {
for (BuyItem buyItem : items) {
Sku sk = skuService.selectSkusById(buyItem.getSku().getId());
buyItem.setSku(sk);
}
}
Buyer buyer = (Buyer) sessionProvider.getAttribute(request, response, Constants.BUYER_SESSION);
// 用户
order.setBuyerId(buyer.getUsername());
// 保存
orderService.addOrder(order, buyCart, response);
// 回显数据
return "product/confirmOrder";
}
// 购买按钮
@RequestMapping(value = "/shopping/buyCart.shtml")
public String buyCart(
Integer skuId,
Integer amount,
HttpServletRequest request,
HttpServletResponse response,
Model model) {
ObjectMapper om = new ObjectMapper();
// 设置成如果字段为Null就不要转了
om.setSerializationInclusion(Inclusion.NON_NULL);
// 购物车对象
BuyCart buyCart = null; // json串
// 判断 看Cookie是否为空
Cookie[] cookies = request.getCookies();
// jsessionid 最少要有它
if (null != cookies && cookies.length > 0) {
for (Cookie cookie : cookies) {
if (Constants.BUYER_CART.equals(cookie.getName())) {
try {
buyCart = om.readValue(cookie.getValue(), BuyCart.class);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
break;
}
}
}
// 判断是否为第一次购物
if (null == buyCart) {
buyCart = new BuyCart();
}
// 购物车肯定有
if (null != skuId) {
Sku sku = new Sku();
sku.setId(skuId);
// 购物项
BuyItem buyItem = new BuyItem();
buyItem.setSku(sku);
// 数量
buyItem.setAmount(amount);
// 装购物项到购物车
// List items
// 追加商品到购物车中 购物车
// buyCart.setItems(items);
buyCart.addItem(buyItem);
// 转
StringWriter str = new StringWriter();
try {
om.writeValue(str, buyCart);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
// 最新
Cookie cookie = new Cookie(Constants.BUYER_CART, str.toString());
// 要求关闭浏览器也要存在 设置Cookie 存活时间 或
// 0 : 立即消毁
// -1 : 关闭浏览器消毁 默认
// > 0 : 表示到时间才消毁 单位 秒
cookie.setMaxAge(60 * 60 * 24);
// 设置 Cookie的路径 jsessionid
cookie.setPath("/");
// 写回浏览器
response.addCookie(cookie);
}
// 把购物车数据装满 此时购物车中只有 skuId amount
List<BuyItem> items = buyCart.getItems();
if (null != items && items.size() > 0) {
for (BuyItem buyItem : items) {
Sku sk = skuService.selectSkusById(buyItem.getSku().getId());
buyItem.setSku(sk);
}
}
model.addAttribute("buyCart", buyCart);
return "product/cart";
}
// 结算
@RequestMapping(value = "/buyer/trueBuy.shtml")
public String trueBuy(HttpServletRequest request, HttpServletResponse response, Model model)
throws Exception {
// 1:从Cookie取购物车
ObjectMapper om = new ObjectMapper();
// 设置成如果字段为Null就不要转了
om.setSerializationInclusion(Inclusion.NON_NULL);
// 购物车对象
BuyCart buyCart = null; // json串
// 判断 看Cookie是否为空
Cookie[] cookies = request.getCookies();
// jsessionid 最少要有它
if (null != cookies && cookies.length > 0) {
for (Cookie cookie : cookies) {
if (Constants.BUYER_CART.equals(cookie.getName())) {
try {
buyCart = om.readValue(cookie.getValue(), BuyCart.class);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
break;
}
}
}
// 2:判断 购物车是否为空
if (null != buyCart && null != buyCart.getItems() && buyCart.getItems().size() > 0) {
List<BuyItem> items = buyCart.getItems();
boolean flag = true;
for (BuyItem buyItem : items) {
// 3:判断购物车中的商品是否有库存 buyItem.getAmount() 要3件 只有2件
Integer stock = skuService.selectStockById(buyItem.getSku().getId());
if (stock < buyItem.getAmount()) {
buyItem.setIsHave(0);
// 刷新购物车页面
flag = false;
}
}
if (!flag) {
// 把购物车对象转成JSON串写回浏览器的Cookie中
// 转
StringWriter str = new StringWriter();
try {
om.writeValue(str, buyCart);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
// 最新
Cookie cookie = new Cookie(Constants.BUYER_CART, str.toString());
// 要求关闭浏览器也要存在 设置Cookie 存活时间 或
// 0 : 立即消毁
// -1 : 关闭浏览器消毁 默认
// > 0 : 表示到时间才消毁 单位 秒
cookie.setMaxAge(60 * 60 * 24);
// 设置 Cookie的路径 jsessionid
cookie.setPath("/");
// 写回浏览器
response.addCookie(cookie);
return "redirect:/shopping/buyCart.shtml";
}
} else {
// 刷新购物车页面
return "redirect:/shopping/buyCart.shtml";
}
// 走到这里
Buyer buyer = (Buyer) sessionProvider.getAttribute(request, response, Constants.BUYER_SESSION);
Addr addr = addrService.selectAddrsByUserNameAndIsDef(buyer);
model.addAttribute("addr", addr);
return "product/productOrder";
}