ASP.NET购物车Cookie获取,创建,添加,更新,删除的用法
内容导读
互联网集市收集整理的这篇技术教程文章主要介绍了ASP.NET购物车Cookie获取,创建,添加,更新,删除的用法,小编现在分享给大家,供广大互联网技能从业者学习和参考。文章包含3159字,纯文字阅读大概需要5分钟。
内容图文
#region 添加购物车
public void GetShoppingCart(int skuId, int quanlity)
{
HttpCookie cookie = HttpContext.Current.Request.Cookies["myCart"];//获取cookie
var reg = Session["userInfo"] as Registration; 用户登入状态
#region 未登入状态时
if(reg == null)
{
if(cookie == null) //cookie为null时
{
cookie = new HttpCookie("myCart");//创建cookie
cookie.Values.Add(skuId.ToString(), quanlity.ToString());//添加Cookie
cookie.Expires = DateTime.Today.AddDays(30);//设置Cookie的过期日期或时间
Response.Cookies.Add(cookie);//将指定的cookie添加到此Cookie集合中
}
else if(cookie != null)
{
if(cookie.Values.AllKeys.Contains(skuId.ToString()))//判断cookie中是否存在此键
{
cookie.Values.Add(skuId.ToString(), quanlity.ToString());
cookie.Expires = DateTime.Today.AddDays(30);
Response.Cookies.Add(cookie);
}
else
{
cookie.Values[skuId.ToString()] = (Int32.Parse(cookie.Values[skuId.ToString()]) + quanlity).ToString();
cookie.Expires = DateTime.Today.AddDays(30);
Response.Cookies.Add(cookie);
}
}
}
#endregion
}
#endregion
#region 更新购物车
public void UpdateShoppingCart(int skuId, int quanlity)
{
HttpCookie cookie = HttpContext.Current.Request.Cookies["myCart"];
Sku skuOne = CommodityInfoManager.GetSkuOneBySkuId(skuId.ToString());
var reg = Session["userInfo"] as Registration;
if(reg != null)//登入用户账号时,直接修改数据库中的购物车的数量
{
ShoppingCarInfoManager.UpdateShoppingCartBySkuIdAndRegisterId(skuId, reg.RegisterId, quanlity);
}
else
{
cookie.Values[skuId.ToString()] = quanlity.ToString();//更新cookie中某一项的对应的cookie的值
cookie.Expires = DateTime.Today.AddDays(30);
Response.Cookies.Add(cookie);
}
}
#endregion
#region 删除购物车某一个商品
public void DeleteSkuId(int skuId, out int cookiState)
{
cookiState = 1;
HttpCookie cookie = HttpContext.Current.Request.Cookies["myCart"];
var reg = Session["userInfo"] as Registration;
#region 登录账号
if (reg != null)
{
ShoppingCart shoppingCart = ShoppingCarInfoManager.GetShoppingCartById(skuId, reg.RegisterId);
if (shoppingCart != null)
{
ShoppingCarInfoManager.DeletedShoppingCartBySkuIdAndRegisertId(skuId, reg.RegisterId);
}
}
#endregion
#region 未登录账号
else
{
if(cookie != null)
{
if(cookie.Values.AllKeys.Length != 1)//判断cookie里有很多的键值对
{
if(cookie.Values.AllKeys.Contains(skuId.ToString()))
{
cookie.Values.Remove(skuId.ToString());//移除cookie中指定的某一项
cookie.Expires = DateTime.Today.AddDays(30);
Response.Cookies.Add(cookie);
}
}
else
{
cookie.Expires = DateTime.Now.AddDays(-1);//清除cookie
cookiState = 0;
Response.Cookies.Add(cookie);
}
}
}
#endregion
}
#endregion
#region 清空购物车
public void DeletedShoppingCart(out int cookiState)
{
cookiState = 1;
HttpCookie cookie = HttpContext.Current.Request.Cookies["myCart"];
var reg = Session["userInfo"] as Registration;
if (reg != null)//清除购物车
{
List<ShoppingCart> shoppingCarts = ShoppingCarInfoManager.GetShoppingCartsByRegisterId(reg.RegisterId);
foreach (var r in shoppingCarts)
{
ShoppingCarInfoManager.DeletedShoppingCartBySkuIdAndRegisertId(r.SkuId, reg.RegisterId);
}
}
else //清除cookie
{
if (cookie != null)
{
cookie.Expires = DateTime.Now.AddDays(-1);
cookiState = 0;
Response.Cookies.Add(cookie);
}
}
}
#endregion
原文:http://www.cnblogs.com/simpleBlue3/p/3888604.html
内容总结
以上是互联网集市为您收集整理的ASP.NET购物车Cookie获取,创建,添加,更新,删除的用法全部内容,希望文章能够帮你解决ASP.NET购物车Cookie获取,创建,添加,更新,删除的用法所遇到的程序开发问题。 如果觉得互联网集市技术教程内容还不错,欢迎将互联网集市网站推荐给程序员好友。
内容备注
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 gblab@vip.qq.com 举报,一经查实,本站将立刻删除。
内容手机端
扫描二维码推送至手机访问。