网站购物车是写入cookie来完成的,在注册用户登陆后购买商品加入购物车时,购物车不能正常显示出来,在用户退出登陆后就购物车中的商品就显示出来了,再进行登陆也能正常显示。正常的是不会区分登陆与否。
页面地址http://ballwest.com/order/Send.aspx?typeUrl=2麻烦各地高手了,这是别人改写的代码,我拿到手就这样,一直研究不透是什么原因。我也没系统的学过c#,仅仅在拿到代码后玩了一年的vs2005。
以下是代码精简商品购买页面代码部分aspx<asp:Button ID="Button1" runat="server" Text="加入购物车" CssClass="input_c" OnClick="btnSureDingzhi_Click" OnClientClick="return checkprice();" Height="27"></asp:Button>商品购买页面代码部分aspx.sc
protected void btnSureDingzhi_Click(object sender, EventArgs e)
{
// //传递的参数是订制的id,参数列表,预览图片的地址,订制数量,订制的总价,使用cookie保存值
string userID = "0";
DingzhiOrderModel model = new DingzhiOrderModel();
model.Userid = 0;
if (Request.Cookies["bw_user"] != null)
{
model.Userid = Convert.ToInt32(Request.Cookies["bw_user"]["user_id"].ToString());
userID = Request.Cookies["bw_user"]["user_id"].ToString();
}
if (Request.QueryString["id"] != null)
{
this.ViewState["proid"] = Request.QueryString["id"];
} DingzhiOrderManager ordermanager = new DingzhiOrderManager(); string subProNO = string.Empty;
int subNum = 0;
//int subSize = int.Parse(ddlproSize.SelectedValue);
Maticsoft.Model.dt_dingzhi pro = new Maticsoft.Model.dt_dingzhi();
Maticsoft.BLL.dt_dingzhi bll = new Maticsoft.BLL.dt_dingzhi();
pro.id = int.Parse(this.ViewState["proid"].ToString());
pro = bll.GetModel(pro.id);
subProNO = pro.id.ToString();
string SLbox = slbox.Text;
this.ViewState["proid"] = pro.id;
this.ViewState["product_price2"] = pro.price;
//当商品设置为促销商品,且在促销期内,促销限量 不为0时 显示促销 string proid = string.Empty;
bool isAdd = false;
// string lbpri = Convert.ToInt32(this.lblprice.Text);
if (this.hidprice.Value != "0.0000")
{
if (Request.Cookies["Order1"] != null && Request.Cookies["Order1"].ToString() != "")
{
string cookiesValue = Request.Cookies["Order1"].Value.ToString();
//解码
cookiesValue = HttpUtility.UrlDecode(cookiesValue);
string[] proRecord = cookiesValue.Split('|');
for (int i = 0; i < proRecord.Length; i++)
{
string[] proArr = proRecord[i].Split(',');
if (proArr.Length == 5)
{
proid = proArr[0].ToString();
if (subProNO == proid)
{
isAdd = true;
break;
}
}
}
if (isAdd == true)
{
Alert.location("../order/Send.aspx?typeUrl=2");
}
else
{
setCook(subProNO, SLbox, "1", this.ViewState["product_price2"].ToString(), userID, "Order1");
Alert.location("../order/Send.aspx?typeUrl=2");
} }
else
{
setCook(subProNO, SLbox, "1", this.ViewState["product_price2"].ToString(), userID, "Order1");
Alert.location("../order/Send.aspx?typeUrl=2");
}
}
else
{
Alert.alert(this.Page, "暂时不能购买!");
}
} void setCook(string subProNO, string num, string isx, string proprice, string userID, string Actions)
{
//写入Cookie
//string duserID = "0";
//if (Request.Cookies["bw_user"] != null)
//{
// duserID = Request.Cookies["bw_user"]["user_id"].ToString();
//}
string proRecord = subProNO + "," + num + "," + isx + "," + proprice + "," + userID;
//可能有中文,进行预编码
proRecord = HttpUtility.UrlEncode(proRecord);
Tool.operateBuyCookie(Actions, proRecord, 100);
int jj = 4;
}tool.sc里的operateBuyCookie部分
public static bool operateBuyCookie(string cookieName, string cookieValue, int count)
{
HttpCookie myCookie = new HttpCookie(cookieName);
//cookie 有效期 一个月
myCookie.Expires.AddMonths(1);
if (HttpContext.Current.Request.Cookies[cookieName] != null && !HttpContext.Current.Request.Cookies[cookieName].Value.Equals(""))
{
myCookie = HttpContext.Current.Request.Cookies[cookieName];
myCookie.Value = myCookie.Value + "|" + cookieValue;
}
else
{
myCookie.Value = cookieValue;
}
string[] valueArray = myCookie.Value.Split('|');
///超过指定个数,把前面的部分清除
if (valueArray.Length > count)
{
myCookie.Value = "";
for (int i = valueArray.Length - count; i < valueArray.Length; i++)
{
if (i == valueArray.Length - count)
{
myCookie.Value += valueArray[i];
}
else
{
myCookie.Value = myCookie.Value + "|" + valueArray[i];
}
}
}
HttpContext.Current.Response.Cookies.Add(myCookie);
return true;
}购物车页面aspx部分
<asp:DataList ID="dlProList" runat="server" Width="100%" OnItemCommand="dlProList_ItemCommand" OnItemDataBound="dlProList_ItemDataBound">
<ItemTemplate>
<table id="gouwuche06" ......
</table>
</ItemTemplate>
</asp:DataList>
购物车页面aspx.sc部分
..............
/// <summary>
/// 获取购物车的所有商品
/// </summary>
protected void getCarts()
{
#region
//string userID = "0";
actions = 0;
float amountPrice = 0;
int amountScore = 0;
if (Request.Cookies["Order1"] != null && Request.Cookies["Order1"].ToString() != "")
{
string cookiesValue = Request.Cookies["Order1"].Value.ToString();
//解码
cookiesValue = HttpUtility.UrlDecode(cookiesValue);
Label2.Text = cookiesValue;
string[] proRecord = cookiesValue.Split('|');
.....................
页面地址http://ballwest.com/order/Send.aspx?typeUrl=2麻烦各地高手了,这是别人改写的代码,我拿到手就这样,一直研究不透是什么原因。我也没系统的学过c#,仅仅在拿到代码后玩了一年的vs2005。
以下是代码精简商品购买页面代码部分aspx<asp:Button ID="Button1" runat="server" Text="加入购物车" CssClass="input_c" OnClick="btnSureDingzhi_Click" OnClientClick="return checkprice();" Height="27"></asp:Button>商品购买页面代码部分aspx.sc
protected void btnSureDingzhi_Click(object sender, EventArgs e)
{
// //传递的参数是订制的id,参数列表,预览图片的地址,订制数量,订制的总价,使用cookie保存值
string userID = "0";
DingzhiOrderModel model = new DingzhiOrderModel();
model.Userid = 0;
if (Request.Cookies["bw_user"] != null)
{
model.Userid = Convert.ToInt32(Request.Cookies["bw_user"]["user_id"].ToString());
userID = Request.Cookies["bw_user"]["user_id"].ToString();
}
if (Request.QueryString["id"] != null)
{
this.ViewState["proid"] = Request.QueryString["id"];
} DingzhiOrderManager ordermanager = new DingzhiOrderManager(); string subProNO = string.Empty;
int subNum = 0;
//int subSize = int.Parse(ddlproSize.SelectedValue);
Maticsoft.Model.dt_dingzhi pro = new Maticsoft.Model.dt_dingzhi();
Maticsoft.BLL.dt_dingzhi bll = new Maticsoft.BLL.dt_dingzhi();
pro.id = int.Parse(this.ViewState["proid"].ToString());
pro = bll.GetModel(pro.id);
subProNO = pro.id.ToString();
string SLbox = slbox.Text;
this.ViewState["proid"] = pro.id;
this.ViewState["product_price2"] = pro.price;
//当商品设置为促销商品,且在促销期内,促销限量 不为0时 显示促销 string proid = string.Empty;
bool isAdd = false;
// string lbpri = Convert.ToInt32(this.lblprice.Text);
if (this.hidprice.Value != "0.0000")
{
if (Request.Cookies["Order1"] != null && Request.Cookies["Order1"].ToString() != "")
{
string cookiesValue = Request.Cookies["Order1"].Value.ToString();
//解码
cookiesValue = HttpUtility.UrlDecode(cookiesValue);
string[] proRecord = cookiesValue.Split('|');
for (int i = 0; i < proRecord.Length; i++)
{
string[] proArr = proRecord[i].Split(',');
if (proArr.Length == 5)
{
proid = proArr[0].ToString();
if (subProNO == proid)
{
isAdd = true;
break;
}
}
}
if (isAdd == true)
{
Alert.location("../order/Send.aspx?typeUrl=2");
}
else
{
setCook(subProNO, SLbox, "1", this.ViewState["product_price2"].ToString(), userID, "Order1");
Alert.location("../order/Send.aspx?typeUrl=2");
} }
else
{
setCook(subProNO, SLbox, "1", this.ViewState["product_price2"].ToString(), userID, "Order1");
Alert.location("../order/Send.aspx?typeUrl=2");
}
}
else
{
Alert.alert(this.Page, "暂时不能购买!");
}
} void setCook(string subProNO, string num, string isx, string proprice, string userID, string Actions)
{
//写入Cookie
//string duserID = "0";
//if (Request.Cookies["bw_user"] != null)
//{
// duserID = Request.Cookies["bw_user"]["user_id"].ToString();
//}
string proRecord = subProNO + "," + num + "," + isx + "," + proprice + "," + userID;
//可能有中文,进行预编码
proRecord = HttpUtility.UrlEncode(proRecord);
Tool.operateBuyCookie(Actions, proRecord, 100);
int jj = 4;
}tool.sc里的operateBuyCookie部分
public static bool operateBuyCookie(string cookieName, string cookieValue, int count)
{
HttpCookie myCookie = new HttpCookie(cookieName);
//cookie 有效期 一个月
myCookie.Expires.AddMonths(1);
if (HttpContext.Current.Request.Cookies[cookieName] != null && !HttpContext.Current.Request.Cookies[cookieName].Value.Equals(""))
{
myCookie = HttpContext.Current.Request.Cookies[cookieName];
myCookie.Value = myCookie.Value + "|" + cookieValue;
}
else
{
myCookie.Value = cookieValue;
}
string[] valueArray = myCookie.Value.Split('|');
///超过指定个数,把前面的部分清除
if (valueArray.Length > count)
{
myCookie.Value = "";
for (int i = valueArray.Length - count; i < valueArray.Length; i++)
{
if (i == valueArray.Length - count)
{
myCookie.Value += valueArray[i];
}
else
{
myCookie.Value = myCookie.Value + "|" + valueArray[i];
}
}
}
HttpContext.Current.Response.Cookies.Add(myCookie);
return true;
}购物车页面aspx部分
<asp:DataList ID="dlProList" runat="server" Width="100%" OnItemCommand="dlProList_ItemCommand" OnItemDataBound="dlProList_ItemDataBound">
<ItemTemplate>
<table id="gouwuche06" ......
</table>
</ItemTemplate>
</asp:DataList>
购物车页面aspx.sc部分
..............
/// <summary>
/// 获取购物车的所有商品
/// </summary>
protected void getCarts()
{
#region
//string userID = "0";
actions = 0;
float amountPrice = 0;
int amountScore = 0;
if (Request.Cookies["Order1"] != null && Request.Cookies["Order1"].ToString() != "")
{
string cookiesValue = Request.Cookies["Order1"].Value.ToString();
//解码
cookiesValue = HttpUtility.UrlDecode(cookiesValue);
Label2.Text = cookiesValue;
string[] proRecord = cookiesValue.Split('|');
.....................
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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using Common;public partial class order_Send : System.Web.UI.Page
{
private float price;
public float Price
{
get { return price; }
set { this.price = value; }
}
private float score;
public float Score
{
get { return score; }
set { this.score = value; }
}
private int actions;
public int Actions
{
get { return actions; }
set { this.actions = value; }
} public int index; protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (Request.QueryString["typeUrl"] != null)
{
string id = Request.QueryString["typeUrl"].ToString();
txtUrl.Value = id;
if (Request.Cookies["bw_user"] != null)
{
string userID = Request.Cookies["bw_user"]["user_id"].ToString();
Label1.Text = userID;
}
getCarts();
getDlCustom();
} } }
/// <summary>
/// 继续购物
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void lbRetrnShop_Click(object sender, EventArgs e)
{
if (txtUrl.Value != "")
{
if (txtUrl.Value == "10")
{
Alert.location("../ProductListzt.aspx?type=9");
}
else
{
Alert.location("../feedback/dingzhi.aspx");
}
}
else
{
Alert.location("../ProductListzt.aspx?type=9");
} }
/// <summary>
/// 清空购物车
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void lbDelectpro_Click(object sender, EventArgs e)
{
Tool.deleteCookie("Order1");
this.dlProList.DataSource = "";
this.dlProList.DataBind();
} /// <summary>
/// 保存总价
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void labprice_PreRender(object sender, EventArgs e)
{
this.labprice.Text = price.ToString("0.00");
HttpCookie myCookie = new HttpCookie("totalMoney");
myCookie.Value = price.ToString();
myCookie.Expires.AddMonths(1);
HttpContext.Current.Response.Cookies.Add(myCookie);
}
protected void lbNext_Click(object sender, EventArgs e)
{
if (Request.Cookies["Order1"] != null && !Request.Cookies["Order1"].Value.Equals(""))
{
Response.Redirect("Default.aspx");
}
else
{
Jscript.JsAlert("请先购买商品!", this.Page);
}
//}
} protected void lbUpdata_Click(object sender, EventArgs e)
{ } /// <summary>
/// 获取购物车的所有商品
/// </summary>
protected void getCarts()
{
#region
//string userID = "0";
actions = 0;
float amountPrice = 0;
int amountScore = 0;
if (Request.Cookies["Order1"] != null && Request.Cookies["Order1"].ToString() != "")
{
string cookiesValue = Request.Cookies["Order1"].Value.ToString();
//解码
cookiesValue = HttpUtility.UrlDecode(cookiesValue);
Label2.Text = cookiesValue;
string[] proRecord = cookiesValue.Split('|');
DataTable dt = new DataTable();
dt.Columns.Add("userId");
dt.Columns.Add("proId");
dt.Columns.Add("proName");
dt.Columns.Add("ProNo");
dt.Columns.Add("proSize");
dt.Columns.Add("proNum");
dt.Columns.Add("isCx");
dt.Columns.Add("proItPrice");
dt.Columns.Add("product_dh");
dt.Columns.Add("proColor");
dt.Columns.Add("score");
dt.Columns.Add("proAmount");
dt.Columns.Add("img");
dt.Columns.Add("colorCate");
dt.Columns.Add("index");
dt.Columns.Add("proType");
dt.Columns.Add("proCate");
for (int i = 0; i < proRecord.Length; i++)
{
string[] proArr = proRecord[i].Split(',');
if (proArr.Length == 5)
{
//Label2.Text = " " + proArr[0] + "," + proArr[1] + "," + proArr[2] + "," + proArr[3] + "," + proArr[4];
if (proArr[2].ToString() == "1")
{
DataRow dr = dt.NewRow();
Maticsoft.Model.dt_dingzhi progift = new Maticsoft.Model.dt_dingzhi();
Maticsoft.BLL.dt_dingzhi bll = new Maticsoft.BLL.dt_dingzhi();
progift.id = int.Parse(proArr[0].ToString());
progift = bll.GetModel(progift.id);
dr["proName"] = progift.name;
dr["proId"] = proArr[0].ToString();
dr["ProNo"] = proArr[2].ToString();
dr["proNum"] = proArr[1].ToString();
dr["isCx"] = proArr[2].ToString();
dr["proItPrice"] = float.Parse(proArr[3].ToString()).ToString("0.00");
dr["proSize"] = "定制酒水";
dr["score"] = float.Parse(dr["proItPrice"].ToString()) * int.Parse(dr["proNum"].ToString());
dr["proAmount"] = ((int.Parse(proArr[1].ToString())) * (float.Parse(proArr[3].ToString()))).ToString("0.00");
amountPrice += float.Parse(dr["proAmount"].ToString());
dr["img"] = "../" + progift.image;
dr["proType"] = 1;
dr["proCate"] = 1;
dr["colorCate"] = 1;
dr["index"] = i;
dr["userId"] = "0";
dt.Rows.Add(dr);
}
else if (proArr[2].ToString() == "3")
{
DataRow dr = dt.NewRow();
Maticsoft.Model.dt_product progift = new Maticsoft.Model.dt_product();
Maticsoft.BLL.dt_product bll = new Maticsoft.BLL.dt_product();
progift.product_id = int.Parse(proArr[0].ToString());
progift = bll.GetModel(progift.product_id);
dr["proName"] = progift.product_name;
dr["proId"] = proArr[0].ToString();
dr["ProNo"] = proArr[2].ToString();
dr["proNum"] = proArr[1].ToString();
dr["isCx"] = proArr[2].ToString(); //dr["youhui"] = proArr[4].ToString();
dr["proItPrice"] = float.Parse(proArr[3].ToString()).ToString();
dr["product_dh"] = float.Parse(proArr[3].ToString()).ToString();
dr["proSize"] = "积分兑换品";
dr["score"] = float.Parse(dr["proItPrice"].ToString()) * int.Parse(dr["proNum"].ToString());
dr["proAmount"] = ((int.Parse(proArr[1].ToString())) * (float.Parse(proArr[3].ToString()))).ToString("0.00");
amountPrice += 0;
// amountScore += int.Parse(dr["score"].ToString());
dr["img"] = "../" + progift.product_pic;
dr["proType"] = 1;
dr["proCate"] = 1;
dr["colorCate"] = 1;
dr["userId"] = "0";
dr["index"] = i;
dt.Rows.Add(dr);
}
else if (proArr[2].ToString() == "2")
{
DataRow dr = dt.NewRow();
Maticsoft.Model.dt_product progift = new Maticsoft.Model.dt_product();
Maticsoft.BLL.dt_product bll = new Maticsoft.BLL.dt_product();
progift.product_id = int.Parse(proArr[0].ToString());
progift = bll.GetModel(progift.product_id);
dr["proName"] = progift.product_name;
dr["proId"] = proArr[0].ToString();
dr["ProNo"] = proArr[2].ToString();
dr["proNum"] = proArr[1].ToString();
dr["isCx"] = proArr[2].ToString(); //dr["youhui"] = proArr[4].ToString();
dr["proItPrice"] = float.Parse(proArr[3].ToString()).ToString();
dr["product_dh"] = float.Parse(proArr[3].ToString()).ToString();
dr["proSize"] = "非定制酒水";
dr["score"] = float.Parse(dr["proItPrice"].ToString()) * int.Parse(dr["proNum"].ToString());
dr["proAmount"] = ((int.Parse(proArr[1].ToString())) * (float.Parse(proArr[3].ToString()))).ToString("0.00");
amountPrice += float.Parse(dr["proAmount"].ToString());
// amountScore += int.Parse(dr["score"].ToString());
dr["img"] = "../" + progift.product_pic;
dr["proType"] = 1;
dr["proCate"] = 1;
dr["colorCate"] = 1;
dr["userId"] = "0";
dr["index"] = i;
dt.Rows.Add(dr);
}
else if (proArr[2].ToString() == "4")
{
DataRow dr = dt.NewRow();
Maticsoft.Model.dt_product progift = new Maticsoft.Model.dt_product();
Maticsoft.BLL.dt_product bll = new Maticsoft.BLL.dt_product();
progift.product_id = int.Parse(proArr[0].ToString());
progift = bll.GetModel(progift.product_id);
dr["proName"] = progift.product_name;
dr["proId"] = proArr[0].ToString();
dr["ProNo"] = proArr[2].ToString();
dr["proNum"] = proArr[1].ToString();
dr["isCx"] = proArr[2].ToString(); //dr["youhui"] = proArr[4].ToString();
dr["proItPrice"] = float.Parse(proArr[3].ToString()).ToString();
dr["product_dh"] = float.Parse(proArr[3].ToString()).ToString();
dr["proSize"] = "包装商品";
dr["score"] = float.Parse(dr["proItPrice"].ToString()) * int.Parse(dr["proNum"].ToString());
dr["proAmount"] = ((int.Parse(proArr[1].ToString())) * (float.Parse(proArr[3].ToString()))).ToString("0.00");
amountPrice += float.Parse(dr["proAmount"].ToString());
// amountScore += int.Parse(dr["score"].ToString());
dr["img"] = "../" + progift.product_pic;
dr["proType"] = 1;
dr["proCate"] = 1;
dr["colorCate"] = 1;
dr["userId"] = "0";
dr["index"] = i;
dt.Rows.Add(dr);
}
}
HttpCookie myCookie = new HttpCookie("totalMoney");
myCookie.Value = amountPrice.ToString();
myCookie.Expires.AddMonths(1);
HttpContext.Current.Response.Cookies.Add(myCookie);
this.dlProList.DataSource = dt;
this.dlProList.DataBind();
this.price += float.Parse(amountPrice.ToString("0.00"));
this.score += int.Parse(amountScore.ToString());
}
} #endregion
}
注册用户登陆后购买商品加入购物车时,购物车不能正常显示出来
数据怎么保存的,是否与登录用户相关了
string proRecord = subProNO + "," + num + "," + isx + "," + proprice + "," + userID;
//可能有中文,进行预编码
proRecord = HttpUtility.UrlEncode(proRecord);
Tool.operateBuyCookie(Actions, proRecord, 100);
HttpContext.Current.Response.Cookies.Add(myCookie);
但怎么读出来的,不清楚啊
HttpContext.Current.Request.Cookies然后调试看看,
用firefox/chrome/htmlpost 甚至Wireshark 查post数据都查出来了吧
再给你2周半时间读本的asp.net入门都够了吧1年都搞不出来,你还是回去用"B盘"吧
HttpCookie myCookie = new HttpCookie(cookieName);//这里定义总的cookie名字
//cookie 有效期 一个月
myCookie.Expires.AddMonths(1);
if (HttpContext.Current.Request.Cookies[cookieName] != null && !HttpContext.Current.Request.Cookies[cookieName].Value.Equals(""))
{
myCookie = HttpContext.Current.Request.Cookies[cookieName];
// userCookie.Values["userName"] = Request.Form["txtUserName"];是不是要给它总的cookie的value起一个名字,如上面的userName,下面好像是给总的cookie赋值,我还没这么用过。
myCookie.Value = myCookie.Value + "|" + cookieValue; }
else
{
myCookie.Value = cookieValue;
}
内容太多了,头晕。下面是我写的cookie,希望对你有用。
if (Request.Cookies["UserInfo"] == null)
{
HttpCookie userCookie = new HttpCookie("UserInfo");
userCookie.Values["userName"] = Request.Form["txtUserName"];
userCookie.Values["count"] = Convert.ToString(1);
userCookie.Expires = DateTime.Now.AddMonths(1);
Response.Cookies.Add(userCookie);
}
else
{
int i = Convert.ToInt32(Request.Cookies["UserInfo"]["count"]) + 1;
HttpCookie userCookie = Request.Cookies["UserInfo"];
userCookie.Values["userName"] = Request.Form["txtUserName"];
userCookie.Values["count"] = i.ToString();
userCookie.Expires = DateTime.Now.AddMonths(1);
Response.Cookies.Add(userCookie);
}
//为什么获取count值的时候,会比原始小于1
Response.Write("用户名:" + Request.Cookies["UserInfo"]["userName"] + "<br>");
Response.Write("上传文件时间:" + DateTime.Now.ToString() + "<br>");
Response.Write("访问次数:" + Request.Cookies["UserInfo"]["count"]);
}