#region /// <summary> /// 获取小程序页面的小程序码 不限制 /// </summary> /// <param name="accessTokenOrAppId">AccessToken或AppId（推荐使用AppId，需要先注册）</param> /// <param name="scene">最大32个可见字符，只支持数字，大小写英文以及部分特殊字符：!#$&'()*+,/:;=?@-._~，其它字符请自行编码为合法字符（因不支持%，中文无法使用 urlencode 处理，请使用其他编码方式）</param> /// <param name="page">必须是已经发布的小程序页面，例如 "pages/index/index" ,根路径前不要填加'/',不能携带参数（参数请放在scene字段里），如果不填写这个字段，默认跳主页面</param> /// <param name="width">小程序码的宽度</param> /// <param name="auto_color">自动配置线条颜色</param> /// <returns></returns> public static async Task<Stream> GetWxaCodeUnlimitTest(string accessTokenOrAppId, string scene, string page, int width = 430, bool auto_color = false) { var authInfo = await AuthorizerContainer.GetAuthorizationInfoAsync(WxOpenConfig.ComponentAppID, accessTokenOrAppId); var authorizer_access_token = authInfo.authorizer_access_token; Stream streamAA = new MemoryStream(); //小程序参数 string paramData = "&scene=" + scene + "&page=" + page + "&width=" + width + "&authInfo=" + authInfo + "&auto_color=" + auto_color; var data = new { scene = scene, page = page, width = width, auto_color = auto_color }; string json = data.ToJson(); byte[] load = Encoding.UTF8.GetBytes(json); //小程序请求接口 string urlFormat = TMConfig.ApiMpHost + "/wxa/getwxacodeunlimit?access_token={0}"; string urlGet = string.Format(urlFormat, authorizer_access_token); //发起请求 HttpWebRequest wbRequest = (HttpWebRequest)WebRequest.Create(urlGet); wbRequest.Method = "POST"; wbRequest.ContentType = "application/json;charset=UTF-8"; wbRequest.ContentLength = load.Length; using (Stream writer = wbRequest.GetRequestStream()) { writer.Write(load, 0, load.Length); } //接收返回包 string resultJson = string.Empty; HttpWebResponse wbResponse = (HttpWebResponse)wbRequest.GetResponse(); using (Stream responseStream = wbResponse.GetResponseStream()) { //将数据流转为byte[] List<byte> bytes = new List<byte>(); int temp = responseStream.ReadByte(); while (temp != -1) { bytes.Add((byte)temp); temp = responseStream.ReadByte(); } byte[] mg = bytes.ToArray(); //在文件名前面加上时间，以防重名 string imgName = DateTime.Now.ToString("yyyyMMddhhmmss") + ".jpg"; //文件存储相对于当前应用目录的虚拟目录 string path = "/imageAAA/"; //获取相对于应用的基目录,创建目录 string imgPath = System.AppDomain.CurrentDomain.BaseDirectory + path; //通过此对象获取文件名 //StringHelper.CreateDirectory(imgPath);//创建文件夹 System.IO.File.WriteAllBytes(HttpContext.Current.Server.MapPath(path + imgName), mg);//讲byte[]存储为图片 } return streamAA; } #endregion
/// <summary> /// 小程序二维码线条颜色（RGB颜色） /// </summary> public class LineColor { /// <summary> /// 红色 /// </summary> public int r { get; set; } /// <summary> /// 绿色 /// </summary> public int g { get; set; } /// <summary> /// 蓝色 /// </summary> public int b { get; set; } }
/// <summary> /// 获取小程序页面的小程序码的流，次数不限制，如果出错，返回错误消息 /// </summary> /// <param name="authorizer_access_token"></param> /// <param name="scene"></param> /// <param name="page"></param> /// <param name="width"></param> /// <param name="auto_color"></param> /// <param name="line_color"></param> /// <param name="is_hyaline"></param> /// <returns></returns> public static async Task<Dictionary<string, object>> GetWxaCodeUnlimitStreamMsgAsync( string authorizer_access_token, string scene, string page, int width = 430, bool auto_color = false, LineColor line_color = null, bool is_hyaline = false) { ////小程序参数 //string paramData = "&scene=" + scene // + "&page=" + page // + "&width=" + width // + "&auto_color=" + auto_color // + "&line_color=" + line_color // + "&is_hyaline=" + is_hyaline; var data = new { scene = scene, page = page, width = width, auto_color = auto_color, line_color = line_color, is_hyaline = is_hyaline }; string paramJson = data.ToJson(); //小程序请求接口 string urlFormat = TMConfig.ApiMpHost + "/wxa/getwxacodeunlimit?access_token={0}"; string urlGet = string.Format(urlFormat, authorizer_access_token); return await RequestUtility.HttpResponseStreamMsgAsync(urlGet, paramJson); }
/// <summary> /// 获取微信小程序二维码的流，如果出错，返回错误消息 /// </summary> /// <param name="urlGet"></param> /// <param name="paramJson"></param> /// <returns></returns> public async static Task<Dictionary<string, object>> HttpResponseStreamMsgAsync(string urlGet, string paramJson) { string currentMethodLog = "[HttpResponseStreamAsyncTest()]获取小程序二维码的流，"; try { //发起请求 HttpWebRequest wbRequest = (HttpWebRequest)WebRequest.Create(urlGet); wbRequest.Method = "POST"; wbRequest.ContentType = "application/json;charset=UTF-8"; byte[] load = Encoding.UTF8.GetBytes(paramJson); wbRequest.ContentLength = load.Length; using (Stream writer = wbRequest.GetRequestStream()) { writer.Write(load, 0, load.Length); } //接收返回包 HttpWebResponse wbResponse = (HttpWebResponse)(await wbRequest.GetResponseAsync()); Stream streamSuccess = new MemoryStream(); Stream streamFail = new MemoryStream(); using (Stream responseStream = wbResponse.GetResponseStream()) { //将数据流转为byte[] List<byte> bytes = new List<byte>(); int temp = responseStream.ReadByte(); while (temp != -1) { bytes.Add((byte)temp); temp = responseStream.ReadByte(); } byte[] mg = bytes.ToArray(); streamSuccess = new MemoryStream(mg); streamFail = new MemoryStream(mg); //如果请求成功会直接返回数据流， //如果请求失败会返回Json，例如： //{"errcode":61004,"errmsg":"access clientip is not registered hint: [aHCZjA05601518]"} //{"errcode":61004,"errmsg":"access clientip is not registered hint: [aHCZjA05601518]"} try { //返回失败 StreamReader sread = new StreamReader(streamFail); string result = sread.ReadToEnd(); Dictionary<string, string> dicResult = JsonExt.ToObject<Dictionary<string, string>>(result); Log4NetHelper.Log(LogTypeEnum.ServicesLog, LogLevelEnum.Error, "接收微信返回错误消息：" + result); streamSuccess.Dispose();//释放成功流的资源 Dictionary<string, object> dic = new Dictionary<string, object>(); dic.Add("FAIL", result); return dic; } catch (Exception ex) { //返回成功 streamFail.Dispose();//释放失败流的资源 Dictionary<string, object> dic = new Dictionary<string, object>(); dic.Add("SUCCESS", streamSuccess); return dic; } } } catch (Exception ex) { Log4NetHelper.Log(LogTypeEnum.ServicesLog, LogLevelEnum.Error, currentMethodLog + "接口报错:", ex); Dictionary<string, object> dic = new Dictionary<string, object>(); dic.Add("FAIL", currentMethodLog + "接口报错:" + ex.Message); return dic; } }
//获取小程序二维码的流 var resultDic = await WxAppApi.GetWxaCodeUnlimitStreamMsgAsync(authorizer_access_token, scene, page); if (resultDic.First().Key.Equals("FAIL")) { response.Status = BaseResponseStatusEnum.Error; response.Msg = resultDic.First().Value.ToString(); return response; } Stream wXQrCodePicStream = resultDic.First().Value as Stream;
