using System; using System.Security.Cryptography; using System.IO; using System.Text; using System.Web; using System.Data; using System.Data.SqlClient; namespace Mtxfw.DAL { //公共函数 public class ShoppingCart { static P_Product daoProduct = new P_Product(); static order_info daoorder = new order_info(); public static int TotalNum() { int intTotalNum = 0; if(HttpContext.Current.Request.Cookies["0x120xxx"]!=null) { HttpCookie myCookie = HttpContext.Current.Request.Cookies["0x120xxx"]; string strCookie=myCookie.Value; string[] strACookie; strACookie=strCookie.Split('|'); intTotalNum = 0; for(int i=0;i 0) { for (int i = 0; i < strACookie.Length - 1; i++) { //逐行赋值 string[] strA = strACookie[i].Split(','); if (strA.Length == 3) { dr = dt.NewRow(); //新建1行，注意和新建列的区别 if (strA[0] != "") { dr["id"] = strA[0]; //商品编号 //HttpContext.Current.Response.Write(strA[0]); int TNum = 0; Mtxfw.Model.P_Product ModelProduct = daoProduct.GetModel(int.Parse(strA[0])); if (ModelProduct != null) { TNum = ModelProduct.P_Orders; //返回已经购买总数 dr["prodName"] = ModelProduct.P_NAME; //返回商品名称 dr["selcolor"] = strA[2]; //返回商品颜色 dr["prodimg"] = ModelProduct.P_images; //返回商品名称 dr["prodid"] = ModelProduct.P_ID; //返回商品名称 dr["SUserID"] = ModelProduct.P_UserID; //返回商品所有者 dr["utype"] = ModelProduct.utype; //返回商品类型 dr["P_CATEGORYs"] = ModelProduct.P_CATEGORYs; //返回套餐商品列表 dr["TotalCB"] = ModelProduct.P_CB_P; //返回商品成本 int intNum = ModelProduct.P_Inventory; if (intNum == 0) { dr["TotalNum"] = 0; //返回商品剩余数量 } else { dr["TotalNum"] = intNum - TNum; //返回商品剩余数量 } dr["prodPrice"] = ModelProduct.P_VIP_P;//返回商品折扣价格 dr["prodPrice0"] = ModelProduct.P_JiangLi;//返回商品积分 /*if (IFStores == 1) { dr["prodPrice"] = ModelProduct.P_VIP_P1;//返回同行商品价格 } else if (IFStores == 2) { dr["prodPrice"] = ModelProduct.P_VIP_P2;//返回同行商品价格 } else if (IFStores == 3) { dr["prodPrice"] = ModelProduct.P_VIP_P3;//返回同行商品价格 }*/ //string[] strAuthor = dv.Table.Rows[0]["N_Author"].ToString().Split('|');//返回商品运费 string[] strAuthor = "1|0|0|0".Split('|');; //返回商品运费 dr["IFMJCDYH"] = strAuthor[0]; dr["SPYH1"] = ModelProduct.P_YH_P;//返回商品运费strAuthor[1] dr["SPYH2"] = strAuthor[2]; dr["SPYH3"] = strAuthor[3]; } //dv.Table.Clear(); } dr["prodNum"] = 0; if (strA[1] != "")//商品数量 { dr["prodNum"] = Convert.ToInt32(strA[1]); } dt.Rows.Add(dr); //将该行加到表dt中 } } } } //返回函数值，注意返回的是DataView } return dt.DefaultView; } //返回浏览过的商品 public static DataTable GetViewedProd() { //从Cookie中获取购物车中的货物栏目信息 DataTable dt = new DataTable(); if (HttpContext.Current.Request.Cookies["view_id"] != null) { HttpCookie myCookie = HttpContext.Current.Request.Cookies["view_id"]; string strCookie = myCookie.Value; if (strCookie.Trim() != "") { string[] strACookie; strACookie = strCookie.Split(','); dt = new DataTable("view_id"); //声明并建立DataTable对象，表的名称为 Books DataColumn dc; //声明DataColumn对象变量 DataRow dr; //声明DataRow对象变量 //下面开始建立表格的结构 //建立第0列,商品编号id dc = new DataColumn("id", System.Type.GetType("System.Int32")); dt.Columns.Add(dc); //建立第1列,商品名称prodName dc = new DataColumn("prodName", System.Type.GetType("System.String")); dt.Columns.Add(dc); //建立第2列,商品颜色selcolor dc = new DataColumn("selcolor", System.Type.GetType("System.String")); dt.Columns.Add(dc); //建立第3列,商品图片prodimg dc = new DataColumn("prodimg", System.Type.GetType("System.String")); dt.Columns.Add(dc); //建立第4列,商品IDprodid dc = new DataColumn("prodid", System.Type.GetType("System.String")); dt.Columns.Add(dc); //建立第5列,商品单价prodPrice dc = new DataColumn("prodPrice", System.Type.GetType("System.Double")); dt.Columns.Add(dc); //建立第6列,购商品数量prodNum dc = new DataColumn("prodNum", System.Type.GetType("System.Int32")); dt.Columns.Add(dc); //建立第7列,购商品请允许购买数量TotalNum dc = new DataColumn("TotalNum", System.Type.GetType("System.Int32")); dt.Columns.Add(dc); //建立第8列，这是一个计算列，为商品的价格 * 商品数量 dc = new DataColumn("SubTotal", System.Type.GetType("System.Double"), "prodPrice*prodNum"); dt.Columns.Add(dc); //建立第9列，这是一个计算列，为是否买家承担运费 dc = new DataColumn("IFMJCDYH", System.Type.GetType("System.String")); dt.Columns.Add(dc); //建立第10列，这是一个计算列，为商品运费1 dc = new DataColumn("SPYH1", System.Type.GetType("System.String")); dt.Columns.Add(dc); //建立第11列，这是一个计算列，为商品运费2 dc = new DataColumn("SPYH2", System.Type.GetType("System.String")); dt.Columns.Add(dc); //建立第12列，这是一个计算列，为商品运费3 dc = new DataColumn("SPYH3", System.Type.GetType("System.String")); dt.Columns.Add(dc); //建立第13列,商品所有者 dc = new DataColumn("SUserID", System.Type.GetType("System.String")); dt.Columns.Add(dc); //建立第14列,商品类型 dc = new DataColumn("utype", System.Type.GetType("System.String")); dt.Columns.Add(dc); //建立第15列,套餐商品列表 dc = new DataColumn("P_CATEGORYs", System.Type.GetType("System.String")); dt.Columns.Add(dc); //下面根据HashTable中的商品栏目信息添加每一行 if (strACookie.LongLength > 0) { int jj = 0; for (int i = strACookie.Length - 1; i > 0; i--) { //逐行赋值 if (strACookie[i] != "" && jj<5) { dr = dt.NewRow(); //新建1行，注意和新建列的区别 dr["id"] = strACookie[i]; //商品编号 //HttpContext.Current.Response.Write(strA[0]); int TNum = 0; Mtxfw.Model.P_Product ModelProduct = daoProduct.GetModel(int.Parse(strACookie[i])); if (ModelProduct != null) { TNum = ModelProduct.P_Orders; //返回已经购买总数 dr["prodName"] = ModelProduct.P_NAME; //返回商品名称 dr["selcolor"] = ""; //返回商品颜色 dr["prodimg"] = ModelProduct.P_images; //返回商品名称 dr["prodid"] = ModelProduct.P_ID; //返回商品名称 dr["SUserID"] = ModelProduct.P_UserID; //返回商品所有者 dr["utype"] = ModelProduct.utype; //返回商品类型 dr["P_CATEGORYs"] = ModelProduct.P_CATEGORYs; //返回套餐商品列表 int intNum = ModelProduct.P_Inventory; if (intNum == 0) { dr["TotalNum"] = 0; //返回商品剩余数量 } else { dr["TotalNum"] = intNum - TNum; //返回商品剩余数量 } dr["prodPrice"] = ModelProduct.P_VIP_P;//返回商品折扣价格 //string[] strAuthor = dv.Table.Rows[0]["N_Author"].ToString().Split('|');//返回商品运费 string[] strAuthor = "1|0|0|0".Split('|'); ; //返回商品运费 dr["IFMJCDYH"] = strAuthor[0]; dr["SPYH1"] = strAuthor[1]; dr["SPYH2"] = strAuthor[2]; dr["SPYH3"] = strAuthor[3]; } dr["prodNum"] = 0; dt.Rows.Add(dr); jj += 1; } //将该行加到表dt中 } } } //返回函数值，注意返回的是DataView } return dt; } //该函数用来判断该商品是否已经在购物车中 public static bool IsExist(string strProdId, string selcolor) { //从Cookie中获取购物车中的货物栏目信息 string strCookie = ""; bool b = false; if (HttpContext.Current.Request.Cookies["0x120xxx"] != null) { HttpCookie myCookie = HttpContext.Current.Request.Cookies["0x120xxx"]; strCookie = myCookie.Value; } string[] strACookie = strCookie.Split('|'); if (strACookie.LongLength > 0) { for (int i = 0; i < strACookie.Length - 1; i++) { string[] strA = strACookie[i].Split(','); if (strA.Length == 3) { if (strA[0] != "") { string stra = strA[2]; if (strA[0] == strProdId && selcolor == stra) { b = true; //表示该商品已经存在 } } } } } return b; } //向购物车中添加一商品，如果该商品已经存在，只要修改数量即可，如果不存在，则需要添加一项 public static void Addprod(string strProdId, int num, string selcolor) { //从Cookie中获取购物车中的货物栏目信息 string[] AProdId = strProdId.Split(','); for (int j = 0; j < AProdId.Length; j++) { string strCookie = ""; if (AProdId.Length > 0) { if (AProdId[j] != "") { HttpCookie myCookie = new HttpCookie("0x120xxx"); if (IsExist(AProdId[j], selcolor)) { if (HttpContext.Current.Request.Cookies["0x120xxx"] != null) { myCookie = HttpContext.Current.Request.Cookies["0x120xxx"]; strCookie = myCookie.Value; string[] strACookie; strACookie = strCookie.Split('|'); //下面根据HashTable中的商品栏目信息添加每一行 for (int i = 0; i < strACookie.Length - 1; i++) { string[] strA = strACookie[i].Split(','); if (strA.Length == 3) { if (strA[0] != "") { if (strA[0] == AProdId[j] && strA[2] == selcolor) { strCookie = strCookie.Replace(strA[0] + "," + strA[1] + "," + strA[2], strA[0] + "," + (Convert.ToInt32(strA[1]) + num).ToString() + "," + strA[2]); } } } } } } else { if (HttpContext.Current.Request.Cookies["0x120xxx"] != null) { myCookie = HttpContext.Current.Request.Cookies["0x120xxx"]; strCookie = myCookie.Value; } strCookie += AProdId[j] + ",1," + selcolor + "|"; } //最后将新的购物栏目信息保存到Cookie中 myCookie.Value = strCookie; myCookie.Expires = DateTime.Now.AddYears(1); HttpContext.Current.Response.Cookies.Add(myCookie); } } } } //从购物车中删除一本书 public static void RemoveProd(string strProdId, string selcolor) { HttpCookie myCookie=new HttpCookie("0x120xxx"); string strCookie=""; //从Cookie中获取购物车中的货物栏目信息 if (HttpContext.Current.Request.Cookies["0x120xxx"] != null) { myCookie = HttpContext.Current.Request.Cookies["0x120xxx"]; strCookie = myCookie.Value; string[] strACookie = strCookie.Split('|'); string[] ProdIdA = strProdId.Split(','); string[] selcolorA = selcolor.Split(','); for (int j = 0; j < ProdIdA.Length - 1; j++) { if (ProdIdA[j] != "") { for (int i = 0; i < strACookie.Length - 1; i++) { string[] strA = strACookie[i].Split(','); if (strA.Length == 3) { if (strA[0] != "") { string stra = strA[2]; if (strA[0] == ProdIdA[j] && stra == selcolorA[j]) { //下面删除该书 strCookie = strCookie.Replace(strACookie[i] + "|", ""); } } } } } } } //最后将新的购物栏目信息保存到Cookie中 myCookie.Value = strCookie; myCookie.Expires=DateTime.Now.AddYears(1); HttpContext.Current.Response.Cookies.Add(myCookie); } //更改购物车中的货物数量 public static void UpdateProd(string strProdId, string intprodNum, string selcolor) { HttpCookie myCookie=new HttpCookie("0x120xxx"); string strCookie=""; //从Cookie中获取购物车中的货物栏目信息 if(HttpContext.Current.Request.Cookies["0x120xxx"]!=null) { myCookie = HttpContext.Current.Request.Cookies["0x120xxx"]; strCookie=myCookie.Value; string[] strACookie; strACookie=strCookie.Split('|'); for(int i=0;i