/// <summary>
/// 新增临时素材，注意3天后media_id失效
/// </summary>
/// <param name="filePathName">指定包含完整路径的文件名</param>
/// <returns>微信服务返回的创建结果</returns>
public WeChatResult <TempMaterialResult> AddTempMaterial(string filePathName)
{
string url = "https://api.weixin.qq.com/cgi-bin/media/upload?access_token={0}&type={1}";
string accessToken = connect.GetAccessToken();
string type = MimeMapping.GetMimeMapping(filePathName); //获取文件的Mime-Type
type = type.Substring(0, type.IndexOf('/')); //提取Mime-Type的前部分
string fileName = Path.GetFileName(filePathName);
using (Stream fileStream = new FileStream(filePathName, FileMode.Open))
{
if ("image".Equals(type) && fileStream.Length < 64 * 1024)
{
type = "thumb";//如果文件属于图片，而且小于64KB的，类型改成缩略图（thumb）
}
else if ("audio".Equals(type))
{
type = "voice";
}
url = string.Format(url, accessToken, type);
string resultStr = SimulateRequest.UploadFile(new UploadFileParam(url, fileName, fileStream));
WeChatResult <TempMaterialResult> weChatResult = new WeChatResult <TempMaterialResult>(resultStr);
if (weChatResult.errcode != WeChatErrorCode.SUCCESS)
{
SystemLogHelper.Warn(MethodBase.GetCurrentMethod(), $"新增临时素材AddTempMaterial，微信服务报错：{weChatResult}");
}
return(weChatResult);
}
}
/// <summary>
/// 新增其他类型永久素材
/// </summary>
/// <param name="filePathName">指定包含完整路径的文件名</param>
/// <param name="videoDescription">上传视频素材时，需提供视频的描述信息</param>
/// <returns>新增永久素材的结果</returns>
public WeChatResult <MaterialResult> AddMaterial(string filePathName, VideoDescription videoDescription = null)
{
string accessToken = connect.GetAccessToken();
string type = MimeMapping.GetMimeMapping(filePathName); //获取文件的Mime-Type
type = type.Substring(0, type.IndexOf('/')); //提取Mime-Type的前部分
string fileName = Path.GetFileName(filePathName);
using (Stream fileStream = new FileStream(filePathName, FileMode.Open))
{
if ("image".Equals(type) && fileStream.Length < 64 * 1024)
{
type = "thumb";//如果文件属于图片，而且小于64KB的，类型改成缩略图（thumb）
}
else if ("audio".Equals(type))
{
type = "voice";
}
string url = $"https://api.weixin.qq.com/cgi-bin/material/add_material?access_token={accessToken}&type={type}";
UploadFileParam fileParam = new UploadFileParam(url, fileName, fileStream);
if (videoDescription != null)
{
fileParam.PostParameters.Add("title", videoDescription.title);
fileParam.PostParameters.Add("introduction", videoDescription.introduction);
}
string resultStr = SimulateRequest.UploadFile(fileParam);
WeChatResult <MaterialResult> weChatResult = new WeChatResult <MaterialResult>(resultStr);
if (weChatResult.errcode != WeChatErrorCode.SUCCESS)
{
SystemLogHelper.Warn(MethodBase.GetCurrentMethod(), $"上传图文消息内的图片获取URLGetUrlByUpdateImg，微信服务报错：{weChatResult}");
}
return(weChatResult);
}
}
/// <summary>
/// 上传多媒体文件，返回上传成功的media_id，否则null
/// </summary>
/// <param name="filePathName">包括完整路径的文件名</param>
/// <param name="fileData">文件数据</param>
/// <param name="fileType">文件类型：图片（image）、语音（voice）、视频（video）和缩略图（thumb，主要用于视频与音乐格式的缩略图）</param>
/// <returns>上传成功的media_id，否则null</returns>
public MediaFile UploadMediaFile(string filePathName, string fileType)
{
//上传的多媒体文件有格式和大小限制，如下：
//图片（image）: 1M，支持JPG格式
//语音（voice）：2M，播放长度不超过60s，支持AMR\MP3格式
//视频（video）：10MB，支持MP4格式
//缩略图（thumb）：64KB，支持JPG格式
//媒体文件在后台保存时间为3天，即3天后media_id失效
string url = "http://file.api.weixin.qq.com/cgi-bin/media/upload?access_token={0}&type={1}";
Stream fileStream = new FileStream(filePathName, FileMode.Open, FileAccess.Read);
UploadParameter uploadParam = new UploadParameter()
{
FileNameValue = Path.GetFileName(filePathName),
UploadStream = fileStream
};
url = string.Format(url, Connect.GetAccessToken(), fileType);
uploadParam.Url = url;
string resultStr = SimulateRequest.UploadFile(uploadParam);
var resultObj = JsonConvert.DeserializeObject <JObject>(resultStr);
if (resultObj["errcode"] != null && resultObj["errcode"].ToString() != "0")
{
_logObj.Error("上传多媒体文件UploadMediaFile()，微信服务报错");
var errorCode = new WeixinErrorInfo(resultObj["errcode"].ToString());
_logObj.Warn(string.Format("{0}【errmsg：{1}】", errorCode.ToString(), resultObj["errmsg"].ToString()));
return(null);
}
else
{
_logObj.InfoFormat("上传多媒体文件UploadMediaFile()，微信处理成功");
MediaFile mediaFile = JsonConvert.DeserializeObject <MediaFile>(resultStr);
return(mediaFile);
}
}
/// <summary>
/// 上传图文消息内的图片获取URL
/// </summary>
/// <param name="filePathName">包含完整访问路径的图片文件名</param>
/// <returns>包含图片URL的微信响应结果</returns>
public WeChatResult <WeChatURL> GetUrlByUpdateImg(string filePathName)
{
string accessToken = connect.GetAccessToken();
string url = $"https://api.weixin.qq.com/cgi-bin/media/uploadimg?access_token={accessToken}";
string fileName = Path.GetFileName(filePathName);
using (Stream fileStream = new FileStream(filePathName, FileMode.Open))
{
string resultStr = SimulateRequest.UploadFile(new UploadFileParam(url, fileName, fileStream));
WeChatResult <WeChatURL> weChatResult = new WeChatResult <WeChatURL>(resultStr);
if (weChatResult.errcode != WeChatErrorCode.SUCCESS)
{
SystemLogHelper.Warn(MethodBase.GetCurrentMethod(), $"上传图文消息内的图片获取URLGetUrlByUpdateImg，微信服务报错：{weChatResult}");
}
return(weChatResult);
}
}
/// <summary>
/// 设置客服帐号的头像，头像图片文件必须是jpg格式，推荐使用640*640大小的图片以达到最佳效果
/// </summary>
/// <param name="account">账号，如：[email protected]</param>
/// <param name="filePathName">包含完整访问路径的文件名，文件必须是jpg格式，推荐使用640*640大小的图片</param>
/// <returns>设置头像的微信结果</returns>
public WeChatResult UpdateHeadImg(string account, string filePathName)
{
string accessToken = connect.GetAccessToken();
string url = $"http://api.weixin.qq.com/customservice/kfaccount/uploadheadimg?access_token={accessToken}&kf_account={account}";
string fileName = Path.GetFileName(filePathName);
using (Stream fileStream = new FileStream(filePathName, FileMode.Open))
{
string resultStr = SimulateRequest.UploadFile(new UploadFileParam(url, fileName, fileStream));
WeChatResult weChatResult = new WeChatResult(resultStr);
if (weChatResult.errcode != WeChatErrorCode.SUCCESS)
{
SystemLogHelper.Warn(GetType().FullName, $"设置客服帐号的头像UpdateHeadImg，微信服务报错：{weChatResult}");
}
return(weChatResult);
}
}
