590 lines
30 KiB
C#
590 lines
30 KiB
C#
using System;
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using System.Security.Cryptography;
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using System.IO;
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using System.Text;
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using System.Web;
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using System.Data;
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using System.Data.SqlClient;
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namespace Mtxfw.DAL
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{
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//公共函数
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public class ShoppingCart0
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{
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static P_Product daoProduct = new P_Product();
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static order_info daoorder = new order_info();
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public static int TotalNum()
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{
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int intTotalNum = 0;
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if (HttpContext.Current.Request.Cookies["0x120xxx"] != null)
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{
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HttpCookie myCookie = HttpContext.Current.Request.Cookies["0x120xxx"];
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string strCookie = myCookie.Value;
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string[] strACookie;
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strACookie = strCookie.Split('|');
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intTotalNum = 0;
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for (int i = 0; i < strACookie.LongLength - 1; i++)
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{
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string[] strA = strACookie[i].Split(',');
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if (strA.LongLength > 1)
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{
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if (strA[1] != "")
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{
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intTotalNum = intTotalNum + Convert.ToInt32(strA[1]);
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}
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}
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}
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}
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return intTotalNum;
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}
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public static int BTotalNum()
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{
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int intTotalNum = 0;
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if (HttpContext.Current.Request.Cookies["0x120xxx"] != null)
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{
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HttpCookie myCookie = HttpContext.Current.Request.Cookies["0x120xxx"];
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string strCookie = myCookie.Value;
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string[] strACookie = strCookie.Split('|');
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intTotalNum = strACookie.Length - 1;
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}
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return intTotalNum;
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}
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//定义一个静态函数，用来返回购物总金额
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public static Double TotalMoney()
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{
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Double sglTotalMoney = 0;
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if (HttpContext.Current.Request.Cookies["0x120xxx"] != null)
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{
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HttpCookie myCookie = HttpContext.Current.Request.Cookies["0x120xxx"];
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string strCookie = myCookie.Value;
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string[] strACookie;
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strACookie = strCookie.Split('|');
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for (int i = 0; i < strACookie.LongLength - 1; i++)
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{
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string[] strA = strACookie[i].Split(',');
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if (strA.LongLength == 3)
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{
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if (strA[0] != "")
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{
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Mtxfw.Model.P_Product ModelProduct = daoProduct.GetModel(int.Parse(strA[0]));
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if (ModelProduct != null)
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{
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sglTotalMoney = sglTotalMoney + ModelProduct.P_VIP_P * Convert.ToInt32(strA[1]);
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}
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}
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}
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}
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}
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return sglTotalMoney;
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}
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//该过程用来返回购物车中的所有商品，注意，这里是将HashTable中的数据转换到了一个DataTable中，最后返回一个DataView对象
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//转换成DataTable的原因是为了显示购物车时方便的帮定到DataGrid控件
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public static DataView Getprod()
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{
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//从Cookie中获取购物车中的货物栏目信息
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DataTable dt = new DataTable();
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if (HttpContext.Current.Request.Cookies["0x120xxx"] != null)
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{
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HttpCookie myCookie = HttpContext.Current.Request.Cookies["0x120xxx"];
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string strCookie = myCookie.Value;
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if (strCookie.Trim() != "")
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{
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string[] strACookie;
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dt = new DataTable("0x120xxx");
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strACookie = strCookie.Split('|');
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dt = new DataTable("0x120xxx"); //声明并建立DataTable对象，表的名称为 Books
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DataColumn dc; //声明DataColumn对象变量
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DataRow dr; //声明DataRow对象变量
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//下面开始建立表格的结构
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//建立第0列,商品编号id
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dc = new DataColumn("id", System.Type.GetType("System.Int32"));
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dt.Columns.Add(dc);
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//建立第1列,商品名称prodName
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dc = new DataColumn("prodName", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第2列,商品颜色selcolor
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dc = new DataColumn("selcolor", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第2列,商品颜色selcolor
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dc = new DataColumn("guige", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第3列,商品图片prodimg
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dc = new DataColumn("prodimg", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第4列,商品IDprodid
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dc = new DataColumn("prodid", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第5列,商品单价prodPrice
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dc = new DataColumn("prodPrice", System.Type.GetType("System.Double"));
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dt.Columns.Add(dc);
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//建立第6列,购商品数量prodNum
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dc = new DataColumn("prodNum", System.Type.GetType("System.Int32"));
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dt.Columns.Add(dc);
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//建立第7列,购商品请允许购买数量TotalNum
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dc = new DataColumn("TotalNum", System.Type.GetType("System.Int32"));
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dt.Columns.Add(dc);
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//建立第8列，这是一个计算列，为商品的价格 * 商品数量
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dc = new DataColumn("SubTotal", System.Type.GetType("System.Double"), "prodPrice*prodNum");
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dt.Columns.Add(dc);
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//建立第9列，这是一个计算列，为是否买家承担运费
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dc = new DataColumn("IFMJCDYH", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第10列，这是一个计算列，为商品运费1
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dc = new DataColumn("SPYH1", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第11列，这是一个计算列，为商品运费2
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dc = new DataColumn("SPYH2", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第12列，这是一个计算列，为商品运费3
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dc = new DataColumn("SPYH3", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第13列,商品所有者
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dc = new DataColumn("SUserID", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第14列,商品类型
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dc = new DataColumn("utype", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第15列,套餐商品列表
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dc = new DataColumn("P_CATEGORYs", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第16列,商品成本
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dc = new DataColumn("TotalCB", System.Type.GetType("System.Double"));
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dt.Columns.Add(dc);
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//建立第17列,积分
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dc = new DataColumn("prodPrice0", System.Type.GetType("System.Double"));
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dt.Columns.Add(dc);
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//建立第17列,积分
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dc = new DataColumn("prodPrice1", System.Type.GetType("System.Double"));
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dt.Columns.Add(dc);
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//建立第17列,积分
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dc = new DataColumn("prodPrice2", System.Type.GetType("System.Double"));
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dt.Columns.Add(dc);
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//建立第18列,商品成本
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dc = new DataColumn("qgproduct", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//下面根据HashTable中的商品栏目信息添加每一行
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if (strACookie.LongLength > 0)
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{
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for (int i = 0; i < strACookie.Length - 1; i++)
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{
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//逐行赋值
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string[] strA = strACookie[i].Split(',');
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if (strA.Length > 2)
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{
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dr = dt.NewRow(); //新建1行，注意和新建列的区别
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if (strA[0] != "")
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{
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dr["id"] = strA[0]; //商品编号
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string guige = strA.Length > 3 ? strA[3] : "";
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//HttpContext.Current.Response.Write(strA[0]);
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int TNum = 0;
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Mtxfw.Model.P_Product ModelProduct = daoProduct.GetModel(int.Parse(strA[0]));
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if (ModelProduct != null)
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{
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TNum = ModelProduct.P_Orders; //返回已经购买总数
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string selcolor = (strA[2] != "" ? Mtxfw.Utility.Security.DecryptString(strA[2]) : strA[2]);
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dr["selcolor"] = selcolor; //返回商品颜色
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dr["guige"] = guige; //返回商品规格
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dr["prodimg"] = ModelProduct.P_images; //返回商品名称
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dr["prodid"] = ModelProduct.P_ID; //返回商品名称
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dr["SUserID"] = ModelProduct.P_UserID; //返回商品所有者
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dr["utype"] = ModelProduct.utype; //返回商品类型
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dr["P_CATEGORYs"] = ModelProduct.P_CATEGORYs; //返回套餐商品列表
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dr["TotalCB"] = ModelProduct.P_CB_P; //返回商品成本
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int intNum = ModelProduct.P_Inventory;
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dr["prodPrice"] = ModelProduct.P_VIP_P;//返回商品折扣价格
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dr["SPYH1"] = ModelProduct.P_YH_P;//返回商品运费strAuthor[1]
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dr["qgproduct"] = ModelProduct.P_qgproduct.ToString();//返回抢购标志
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string prodName = ModelProduct.P_NAME;
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if (guige != "")
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{
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Mtxfw.Model.P_Guige gmodel = new DAL.P_Guige().GetModel(Convert.ToInt32(guige));
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if (gmodel != null)
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{
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intNum = gmodel.G_KC;
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dr["SPYH1"] = gmodel.G_ZL;//返回商品运费
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string[] acolors = gmodel.G_Color.Split(',');
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for (int j = 0; j < acolors.Length; j++)
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{
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if (acolors[j] != "")
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{
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var ac = acolors[j].Split('|');
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if (ac[0] == selcolor)
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{
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if (ac.Length > 1)
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{
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if (ac[1] != "")
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{
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intNum = Convert.ToInt32(ac[1]);
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}
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}
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}
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}
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}
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dr["prodPrice"] = Convert.ToDouble(gmodel.G_JG).ToString("f2").Replace(",", "");
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if (ModelProduct.utype == "5")
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{
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dr["prodPrice"] = Convert.ToDouble(gmodel.G_JG2).ToString("f2").Replace(",", "");
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}
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dr["prodPrice0"] = Convert.ToDouble(gmodel.G_JG0).ToString("f2").Replace(",", "");
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dr["prodPrice1"] = Convert.ToDouble(gmodel.G_JG1).ToString("f2").Replace(",", "");
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dr["prodPrice2"] = Convert.ToDouble(gmodel.G_JF).ToString("f2").Replace(",", "");
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prodName += " " + gmodel.G_Name;
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}
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}
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prodName += " " + (strA[2] != "" ? Mtxfw.Utility.Security.DecryptString(strA[2]) : strA[2]);
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if (intNum == 0)
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{
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dr["TotalNum"] = 0; //返回商品剩余数量
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}
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else
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{
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dr["TotalNum"] = intNum - TNum; //返回商品剩余数量
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}
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dr["prodName"] = prodName; //返回商品名称
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/*if (IFStores == 1)
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{
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dr["prodPrice"] = ModelProduct.P_VIP_P1;//返回同行商品价格
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}
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else if (IFStores == 2)
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{
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dr["prodPrice"] = ModelProduct.P_VIP_P2;//返回同行商品价格
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}
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else if (IFStores == 3)
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{
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dr["prodPrice"] = ModelProduct.P_VIP_P3;//返回同行商品价格
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}*/
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//string[] strAuthor = dv.Table.Rows[0]["N_Author"].ToString().Split('|');//返回商品运费
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string[] strAuthor = "1|0|0|0".Split('|'); ; //返回商品运费
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dr["IFMJCDYH"] = strAuthor[0];
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dr["SPYH2"] = strAuthor[2];
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dr["SPYH3"] = strAuthor[3];
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}
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//dv.Table.Clear();
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}
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dr["prodNum"] = 0;
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if (strA[1] != "")//商品数量
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{
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dr["prodNum"] = Convert.ToInt32(strA[1]);
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}
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dt.Rows.Add(dr); //将该行加到表dt中
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}
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}
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}
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}
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//返回函数值，注意返回的是DataView
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}
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return dt.DefaultView;
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}
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//返回浏览过的商品
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public static DataTable GetViewedProd()
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{
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//从Cookie中获取购物车中的货物栏目信息
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DataTable dt = new DataTable();
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if (HttpContext.Current.Request.Cookies["view_id"] != null)
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{
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HttpCookie myCookie = HttpContext.Current.Request.Cookies["view_id"];
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string strCookie = myCookie.Value;
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if (strCookie.Trim() != "")
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{
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string[] strACookie;
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strACookie = strCookie.Split(',');
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dt = new DataTable("view_id"); //声明并建立DataTable对象，表的名称为 Books
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DataColumn dc; //声明DataColumn对象变量
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DataRow dr; //声明DataRow对象变量
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//下面开始建立表格的结构
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//建立第0列,商品编号id
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dc = new DataColumn("id", System.Type.GetType("System.Int32"));
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dt.Columns.Add(dc);
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//建立第1列,商品名称prodName
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dc = new DataColumn("prodName", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第2列,商品颜色selcolor
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dc = new DataColumn("selcolor", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第3列,商品图片prodimg
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dc = new DataColumn("prodimg", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第4列,商品IDprodid
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dc = new DataColumn("prodid", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第5列,商品单价prodPrice
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dc = new DataColumn("prodPrice", System.Type.GetType("System.Double"));
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dt.Columns.Add(dc);
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//建立第6列,购商品数量prodNum
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dc = new DataColumn("prodNum", System.Type.GetType("System.Int32"));
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dt.Columns.Add(dc);
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//建立第7列,购商品请允许购买数量TotalNum
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dc = new DataColumn("TotalNum", System.Type.GetType("System.Int32"));
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dt.Columns.Add(dc);
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//建立第8列，这是一个计算列，为商品的价格 * 商品数量
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dc = new DataColumn("SubTotal", System.Type.GetType("System.Double"), "prodPrice*prodNum");
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dt.Columns.Add(dc);
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//建立第9列，这是一个计算列，为是否买家承担运费
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dc = new DataColumn("IFMJCDYH", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第10列，这是一个计算列，为商品运费1
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dc = new DataColumn("SPYH1", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第11列，这是一个计算列，为商品运费2
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dc = new DataColumn("SPYH2", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第12列，这是一个计算列，为商品运费3
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dc = new DataColumn("SPYH3", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第13列,商品所有者
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dc = new DataColumn("SUserID", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第14列,商品类型
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dc = new DataColumn("utype", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//建立第15列,套餐商品列表
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dc = new DataColumn("P_CATEGORYs", System.Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//下面根据HashTable中的商品栏目信息添加每一行
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if (strACookie.LongLength > 0)
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{
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int jj = 0;
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for (int i = strACookie.Length - 1; i > 0; i--)
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{
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//逐行赋值
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if (strACookie[i] != "" && jj < 5)
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{
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dr = dt.NewRow(); //新建1行，注意和新建列的区别
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dr["id"] = strACookie[i]; //商品编号
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//HttpContext.Current.Response.Write(strA[0]);
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int TNum = 0;
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Mtxfw.Model.P_Product ModelProduct = daoProduct.GetModel(int.Parse(strACookie[i]));
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if (ModelProduct != null)
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{
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TNum = ModelProduct.P_Orders; //返回已经购买总数
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dr["prodName"] = ModelProduct.P_NAME; //返回商品名称
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dr["selcolor"] = ""; //返回商品颜色
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dr["prodimg"] = ModelProduct.P_images; //返回商品名称
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dr["prodid"] = ModelProduct.P_ID; //返回商品名称
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dr["SUserID"] = ModelProduct.P_UserID; //返回商品所有者
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dr["utype"] = ModelProduct.utype; //返回商品类型
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dr["P_CATEGORYs"] = ModelProduct.P_CATEGORYs; //返回套餐商品列表
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int intNum = ModelProduct.P_Inventory;
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if (intNum == 0)
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{
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dr["TotalNum"] = 0; //返回商品剩余数量
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}
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else
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{
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dr["TotalNum"] = intNum - TNum; //返回商品剩余数量
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}
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dr["prodPrice"] = ModelProduct.P_VIP_P;//返回商品折扣价格
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//string[] strAuthor = dv.Table.Rows[0]["N_Author"].ToString().Split('|');//返回商品运费
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string[] strAuthor = "1|0|0|0".Split('|'); ; //返回商品运费
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dr["IFMJCDYH"] = strAuthor[0];
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dr["SPYH1"] = strAuthor[1];
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dr["SPYH2"] = strAuthor[2];
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dr["SPYH3"] = strAuthor[3];
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}
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dr["prodNum"] = 0;
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dt.Rows.Add(dr);
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jj += 1;
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}
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//将该行加到表dt中
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}
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}
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}
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//返回函数值，注意返回的是DataView
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}
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return dt;
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}
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//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, string guige)
|
||
{
|
||
//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 > 2)
|
||
{
|
||
if (strA[0] != "")
|
||
{
|
||
string stra = strA[2];
|
||
string strb = strA.Length > 3 ? strA[3] : "";
|
||
if (strA[0] == strProdId && selcolor == stra && strb == guige)
|
||
{
|
||
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, string guige)
|
||
{
|
||
//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, guige))
|
||
{
|
||
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 > 2)
|
||
{
|
||
if (strA[0] != "")
|
||
{
|
||
if (strA[0] == AProdId[j] && strA[2] == selcolor && strA[3] == guige)
|
||
{
|
||
strCookie = strCookie.Replace(strA[0] + "," + strA[1] + "," + strA[2] + "," + strA[3], strA[0] + "," + (Convert.ToInt32(strA[1]) + num).ToString() + "," + strA[2] + "," + strA[3]);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (HttpContext.Current.Request.Cookies["0x120xxx"] != null)
|
||
{
|
||
myCookie = HttpContext.Current.Request.Cookies["0x120xxx"];
|
||
strCookie = myCookie.Value;
|
||
}
|
||
strCookie += AProdId[j] + "," + num + "," + selcolor + "," + guige + "|";
|
||
}
|
||
//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);
|
||
//myCookie.Domain = "vip.lscxwl.com";
|
||
HttpContext.Current.Response.Cookies.Add(myCookie);
|
||
|
||
}
|
||
}
|
||
|
||
}
|
||
}
|
||
|
||
//从购物车中删除一本书
|
||
public static void RemoveProd(string OrdersIDs)
|
||
{
|
||
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 < strACookie.Length - 1; i++)
|
||
{
|
||
//下面更改数量
|
||
string[] strA = strACookie[i].Split(',');
|
||
if (strA.Length > 2)
|
||
{
|
||
if (strA[0] != "")
|
||
{
|
||
string stra = strA[2];
|
||
if (OrdersIDs.IndexOf("," + strA[0] + ",") != -1)
|
||
{
|
||
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);
|
||
//myCookie.Domain = "vip.lscxwl.com";
|
||
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, string guige)
|
||
{
|
||
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 < strACookie.Length - 1; i++)
|
||
{
|
||
//下面更改数量
|
||
string[] strA = strACookie[i].Split(',');
|
||
if (strA.Length > 2)
|
||
{
|
||
if (strA[0] != "")
|
||
{
|
||
string stra = strA[2];
|
||
if (strA[0] == strProdId && stra == selcolor && strA[3] == guige)
|
||
{
|
||
if (intprodNum == "" || intprodNum == "0")
|
||
{
|
||
strCookie = strCookie.Replace(strACookie[i] + "|", "");
|
||
}
|
||
else
|
||
{
|
||
strCookie = strCookie.Replace(strA[0] + "," + strA[1] + "," + strA[2] + "," + strA[3], strA[0] + "," + intprodNum + "," + strA[2] + "," + strA[3]);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
//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);
|
||
//myCookie.Domain = "vip.lscxwl.com";
|
||
HttpContext.Current.Response.Cookies.Add(myCookie);
|
||
}
|
||
|
||
|
||
|
||
}
|
||
|
||
|
||
}
|