微信服务器中怎么下载文件到本地,很多新手对此不是很清楚,为了帮助大家解决这个难题,下面小编将为大家详细讲解,有这方面需求的人可以来学习下,希望你能有所收获。
如下所示:
//从微信服务器中下载文件到本地 public JsonResult UploadRecord(string ServerId) { try { member m = base.CurrentUser; string msg = "成功"; bool success = true; SiteSettingsInfo setting = base.CurrentSiteSetting; string file = string.Empty; string content = string.Empty; string strpath = string.Empty; string savepath = string.Empty; //微信地址 string stUrl = "http://file.api.weixin.qq.com/cgi-bin/media/get?access_token=" + setting.WeixinToken + "&media_id=" + ServerId; HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create(stUrl); req.Method = "GET"; string filename = ""; using (WebResponse wr = req.GetResponse()) { HttpWebResponse myResponse = (HttpWebResponse)req.GetResponse(); strpath = myResponse.ResponseUri.ToString(); WebClient mywebclient = new WebClient(); string folder = DateTime.Now.ToString("yyyyMMdd"); //绝对路径 string uploadPath = ConfigurationManager.AppSettings["RecordPath"] + DateTime.Now.ToString("yyyyMMdd"); //新的文件名 filename = DateTime.Now.ToString("HHmmssfff_yyyyMMdd") + (new Random()).Next().ToString().Substring(0, 4) + ".amr"; //相对路径 file = @"GetImages/Images/" + DateTime.Now.ToString("yyyyMMdd") + @"/" + filename; savepath = uploadPath + "\\" + filename; try { if (!Directory.Exists(uploadPath)) { //自动生成文件夹 Directory.CreateDirectory(uploadPath); } mywebclient.DownloadFile(strpath, savepath); //file = savepath; } catch (Exception ex) { savepath = ex.ToString(); } } string RecordPath = ConfigurationManager.AppSettings.Get("host") + file; //return base.Json(new { success = success, recordPath = RecordPath, fileName = DateTime.Now.ToString("yyyyMMdd") + @"\" + filename }); return base.Json(new { success = success, recordPath = RecordPath, fileName = file }); } catch (Exception ex) { Log.Error(ex.ToString()); throw; } }
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