微信服务器中下载文件到本地的实例代码

微信(小程序)  /  管理员 发布于 7年前   184

从微信服务器中下载文件到本地的实例代码，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;}}

总结

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