获取二维码

Mall.Common/Plugin/HttpHelper.cs

@@ -291,6 +291,35 @@ namespace Mall.Common.Plugin
             }
         }
 
+        /// <summary>
+        /// 执行HTTP POST请求。
+        /// </summary>
+        /// <param name="url">请求地址</param>        
+        /// <param name="postDataStr">请求地址</param>              
+        /// <returns>HTTP响应</returns>
+        public static string HttpPostForGetWXQRCodePath(string url, string postDataStr,string path)
+        {
+            HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
+            req.Method = "POST";
+            req.ContentType = "application/octet-stream";
+            req.ContentLength = Encoding.UTF8.GetByteCount(postDataStr);
+            Stream myRequestStream = req.GetRequestStream();
+            StreamWriter myStreamWriter = new StreamWriter(myRequestStream, Encoding.GetEncoding("gb2312"));
+            myStreamWriter.Write(postDataStr);
+            myStreamWriter.Close();
+
+            HttpWebResponse rsp = (HttpWebResponse)req.GetResponse();
+            if (string.IsNullOrWhiteSpace(rsp.CharacterSet))
+            {
+                return GetResponseAsStringBase64_V2(rsp, Encoding.UTF8, path);
+            }
+            else
+            {
+                Encoding encoding = Encoding.GetEncoding(rsp.CharacterSet);
+                return GetResponseAsStringBase64_V2(rsp, encoding, path);
+            }
+        }
+
 
         /// <summary>
         /// 把响应流转换为文本
@@ -319,6 +348,46 @@ namespace Mall.Common.Plugin
             }
         }
 
+        /// <summary>
+        /// 把响应流转换为文本
+        /// </summary>
+        /// <param name="rsp"></param>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        private static string GetResponseAsStringBase64_V2(HttpWebResponse rsp, Encoding encoding, string path)
+        {
+            System.IO.Stream stream = null;
+            try
+            {
+                // 以字符流的方式读取HTTP响应
+                stream = rsp.GetResponseStream();
+                return ReadImageForStream_V2(stream, path);
+            }
+            catch
+            {
+                return "";
+            }
+            finally
+            {
+                // 释放资源                
+                if (stream != null) stream.Close();
+                if (rsp != null) rsp.Close();
+            }
+        }
+
+        /// <summary>
+        /// 获取
+        /// </summary>
+        /// <param name="imgstream"></param>
+        /// <returns></returns>
+        public static string ReadImageForStream_V2(Stream imgstream,string path)
+        {
+            System.Drawing.Image result = System.Drawing.Image.FromStream(imgstream);
+            System.Drawing.Bitmap bit = new System.Drawing.Bitmap(result);
+            bit.Save(path, System.Drawing.Imaging.ImageFormat.Jpeg);
+            return path;
+        }
+
         /// <summary>
         /// 获取
         /// </summary>

Mall.Module.Product/ProductModule.cs

@@ -4673,6 +4673,7 @@ namespace Mall.Module.Product
                     if (demodel.GoodsId > 0)
                     {
                         goodsRepository.SetGoodsNewId(demodel.GoodsId ?? 0, Id, trans);
+                        Id = demodel.GoodsId ?? 0;
                     }
                     //插入分类
                     foreach (var item in demodel.CategoryList)

Mall.Module.User/UserModule.cs

@@ -3954,14 +3954,18 @@ namespace Mall.Module.User
                 System.Threading.Tasks.Task.Run(() => CacheManager.AppletWeChat.WeiXinReidsCache.Set(appletWeChatModel.MiniAppId, token));
             }
             if (!string.IsNullOrEmpty(token)) {
-                string GetImageUrl = "https://api.weixin.qq.com/cgi-bin/wxaapp/createwxaqrcode?access_token=" + token;
+                //string GetImageUrl = "https://api.weixin.qq.com/cgi-bin/wxaapp/createwxaqrcode?access_token=" + token;//获取二维码
+                string GetImageUrl = "https://api.weixin.qq.com/wxa/getwxacode?access_token="+ token;//获取小程序码
                 var postData = new
                 {
                     path,
                     width
                 };
-                var Robj = HttpHelper.HttpPostForWXQRCode(GetImageUrl, JsonHelper.Serialize(postData));
-                var Robj1 = HttpHelper.HttpPost(GetImageUrl, JsonHelper.Serialize(postData), "");
+                string pathName = Guid.NewGuid().ToString() + ".jpg";
+                string basepath = AppContext.BaseDirectory;
+                string path_server = basepath + "\\upfile\\temporary\\" + pathName;
+                var Robj = HttpHelper.HttpPostForGetWXQRCodePath(GetImageUrl, JsonHelper.Serialize(postData), path_server);
+                //var Robj1 = HttpHelper.HttpPost(GetImageUrl, JsonHelper.Serialize(postData), "");
                 return Robj;
             }
             return "";

Mall.WebApi/Controllers/User/AppletUserController.cs

@@ -959,6 +959,30 @@ namespace Mall.WebApi.Controllers.User
         }
         #endregion
 
+        #region 获取小程序码
+
+        /// <summary>
+        /// 获取微信小程序码
+        /// </summary>
+        /// <returns></returns>
+        [HttpPost]
+        public ApiResult GetWeiXinQRCodeForApplet()
+        {
+            var req = RequestParm;
+            var userInfo = AppletUserInfo;
+            JObject parms = JObject.Parse(req.msg.ToString());
+            string Path = parms.GetStringValue("Path");//路径
+            int With = parms.GetInt("With", 430);//大小
+            if (string.IsNullOrEmpty(Path))
+            {
+                return ApiResult.ParamIsNull("请传递路径");
+            }
+
+            string base64Img = userModule.GetWeiXinQRCode(Path, With, userInfo.MallBaseId);
+            return ApiResult.Success("", base64Img);
+        }
+
+        #endregion
 
         #region 个人中心余额/积分/优惠券气泡
         /// <summary>

Mall.WebApi/Controllers/User/UserController.cs

@@ -2539,7 +2539,7 @@ namespace Mall.WebApi.Controllers.User
             var req = RequestParm;
             JObject parms = JObject.Parse(req.msg.ToString());
             string Path = parms.GetStringValue("Path");//路径
-            int With = parms.GetInt("With", 100);//大小
+            int With = parms.GetInt("With", 430);//大小
             if (string.IsNullOrEmpty(Path)) {
                 return ApiResult.ParamIsNull("请传递路径");
             }