微信商城系统源码---.NET平台

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using MxWeiXinPF.Common;
using System.Text;

namespace MxWeiXinPF.Web.shop
{
    /// 

    /// shopmgr 的摘要说明
    /// 

    public class shopmgr : IHttpHandler
    {

        public void ProcessRequest（HttpContext context）
        {
            context.Response.ContentType = “text/json“;
            BLL.wx_shop_cart cartBll = new BLL.wx_shop_cart（）;
            string _action = MyCommFun.QueryString（“myact“）;       
            string openid = MyCommFun.RequestOpenid（）;  //得到微信用户的openid
            Dictionary jsonDict = new Dictionary（）;
            if （_action == “addCart“）
            {
                #region 添加购物车
                try
                {
                    int wid = MyCommFun.RequestInt（“wid“）;
                    int productId = MyCommFun.RequestInt（“productid“）;
                    int skuId = MyCommFun.RequestInt（“mid“）;
                    string skuInfo = MyCommFun.QueryString（“attr“）;
                    int productNum = MyCommFun.RequestInt（“bc“）;
                    decimal totalPrice = （decimal）MyCommFun.RequestFloat（“totprice“ 0）;
                
                    Model.wx_shop_cart cart = new Model.wx_shop_cart（）;

                    IList cartList = cartBll.GetModelList（“productId=“ + productId + “ and openid=‘“ + openid + “‘ and skuId=“+skuId）;
                    bool isAdd = true;
                    if （cartList != null && cartList.Count > 0）
                    {
                        isAdd = false;
                        cart = cartList[0];
                    }
                    if （isAdd）
                    {
                        cart.createDate = DateTime.Now;
                        cart.openid = openid;
                        cart.productId = productId;
                        cart.productNum = productNum;
                        cart.skuId = skuId;
                        cart.skuInfo = skuInfo;
                        cart.totPrice = totalPrice * productNum;
                        cart.wid = wid;
                        int ret = cartBll.Add（cart）;
                        if （ret > 0）
                        {
                            jsonDict.Add（“errCode“ “false“）;
                        }
                        else
                        {
                            jsonDict.Add（“errCode“ “true“）;
                        }
                    }
                    else
                    {

                        cart.openid = openid;

                        cart.productNum += productNum;
                        cart.skuId = skuId;
                        cart.skuInfo = skuInfo;
                        cart.totPrice += totalPrice * productNum;
                        cart.wid = wid;
                        bool ret = cartBll.Update（cart）;