/// <summary>
/// 获取永久素材，返回ArticleItemsInfo、VideoMaterialResult或fileName
/// </summary>
/// <param name="mediaId">永久素材的媒体文件ID</param>
/// <param name="filePathName">指定个临时包含路径的文件名</param>
/// <returns>图文素材请解析为ArticleItemsInfo，视频素材请解析为VideoMaterialResult，其他素材为实际保存好的包含路径的文件名</returns>
public WeChatResult <string> GetMaterial(string mediaId, string filePathName)
{
string accessToken = connect.GetAccessToken();
string url = $"https://api.weixin.qq.com/cgi-bin/material/get_material?access_token={accessToken}";
try
{
string fileName = SimulateRequest.DownloadFilePost(url, filePathName, new
{
media_id = mediaId
});
WeChatResult <string> weChatResult = new WeChatResult <string>("{\"errcode\":0,\"errmsg\":\"SUCCESS\"}");
weChatResult.resultData = fileName;
return(weChatResult);
}
catch (Exception ex)
{
SystemLogHelper.Error(MethodBase.GetCurrentMethod(), $"获取永久素材GetMaterial，报错", ex);
WeChatResult <string> errorResult = new WeChatResult <string>(ex.Message);
return(errorResult);
}
}
