微信服务器中下载文件到本地的实例代码

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

以上所述是小编给大家介绍的微信服务器中下载文件到本地的实例代码，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对鸟哥教程(niaoge.com)网站的支持！

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