/// <summary>
/// 请求向微信服务器通讯发送可客服消息，验证是否成功
/// </summary>
/// <param name="url">请求微信服务器的URL</param>
/// <param name="data">请求的json数据</param>
/// <param name="errorDescription">错误描述</param>
/// <returns>0:发送成功,-1:发送失败,-2:媒体文件过期</returns>
private static int RequestAndValidOpenID(string url, string data, ref string errorDescription)
{
using (System.Net.WebClient client = new System.Net.WebClient())
{
client.Headers["Content-Type"] = "application/json";
client.Encoding = System.Text.Encoding.UTF8;
int errorId = 0;
try
{
string strResult = client.UploadString(url, "post", data);
string errorCode = Utility.AnalysisJson(strResult, "errcode");
if (errorCode.Equals("40007"))
{
return(errorId = -2);
}
if (!errorCode.Equals("0"))
{
errorDescription = ErrorInformation.GetErrorCode(strResult, "errcode");
return(errorId = -1);
}
}
catch (Exception ex)
{
errorDescription = ex.Message;
errorId = -1;
}
errorDescription = "发送成功";
return(errorId);
}
}
/// <summary>
/// 带Json参数的请求
/// </summary>
/// <param name="url">请求服务器路径</param>
/// <param name="data">json数据</param>
/// <param name="errorDescription">错误描述</param>
/// <param name="JsonResult">json结果</param>
/// <returns></returns>
private static bool UploadString(string url, string data, ref string errorDescription, ref string JsonResult)
{
using (System.Net.WebClient client = new System.Net.WebClient())
{
client.Headers["Content-Type"] = "application/json";
client.Encoding = System.Text.Encoding.UTF8;
string by = "";
try
{
by = client.UploadString(url, "post", data);
}
catch (Exception ex)
{
errorDescription = ex.Message;
return(false);
}
if (by.IndexOf("errcode") >= 0)
{
if (!Utility.AnalysisJson(by, "errcode").Equals("0"))
{
errorDescription = ErrorInformation.GetErrorCode(by, "errcode");
return(false);
}
}
JsonResult = by;//json结果
return(true);
}
}
/// <summary>
/// 获取用户的基本信息
/// </summary>
/// <param name="OpenId">用户账号的唯一标识ID</param>
/// <param name="lang">返回国家地区语言版本，zh_CN 简体，zh_TW 繁体，en 英语 为空默认中文简体</param>
/// <param name="errorDescription">错误描述</param>
/// <returns>返回用户基本信息实体UserInformation</returns>
public static UserInformation GetUserInformation(string OpenId, string lang, ref string errorDescription)
{
Shove._IO.Log log = new _IO.Log("WeixinGongzhong");
errorDescription = "";
lang = string.IsNullOrEmpty(lang) ? "zh_CN" : lang.Trim();
if (string.IsNullOrEmpty(OpenId))
{
errorDescription = "OpenId不正确,null";
return(null);
}
if (string.IsNullOrEmpty(Utility.Access_token))
{
errorDescription = "发生错误:access_token为null,请查看页面的Load事件是否调用了Utility.GetAccessToken()方法";
return(null);
}
string errorCode = "";
using (System.Net.WebClient client = new System.Net.WebClient())
{
try
{
byte[] by = client.DownloadData(string.Format("https://api.weixin.qq.com/cgi-bin/user/info?access_token={0}&openid={1}&lang={2}", Utility.Access_token, OpenId, lang));
errorCode = System.Text.Encoding.UTF8.GetString(by);
}
catch (Exception ex)
{
errorDescription = ex.Message;
return(null);
}
}
if (errorCode.IndexOf("errcode") >= 0)
{
errorDescription = ErrorInformation.GetErrorCode(errorCode, "errcode");
log.Write(errorDescription + "\t" + Utility.Access_token + "\t" + Utility.AppID + "\t" + Utility.AppSecret);
return(null);
}
return(JsonToObject(errorCode, ref errorDescription));
}
/// <summary>
/// 删除群发消息(删除消息只是将消息的图文详情页失效，已经收到的用户，还是能在其本地看到消息卡片)
/// </summary>
/// <param name="msg_id">群发的消息ID</param>
/// <param name="errorDescription">描述</param>
/// <returns>返回成功：true 失败：false</returns>
public static bool DeleteMassSendMessage(string msg_id, ref string errorDescription)
{
errorDescription = "";
if (string.IsNullOrEmpty(msg_id))
{
errorDescription = "-10007,消息ID能为空";
return(false);
}
if (Shove._Convert.StrToLong(msg_id, -1) < 0)
{
errorDescription = "-10008,不合法的msg_id";
return(false);
}
string json = "{\"msgid\":" + msg_id + "}";
using (System.Net.WebClient client = new System.Net.WebClient())
{
client.Headers["Content-Type"] = "application/json";
client.Encoding = System.Text.Encoding.UTF8;
try
{
string strResult = client.UploadString
(string.Format("https://api.weixin.qq.com//cgi-bin/message/mass/delete?access_token={0}", Utility.Access_token), "post", json);
string errorCode = Utility.AnalysisJson(strResult, "errcode");
if (!errorCode.Equals("0"))
{
errorDescription = ErrorInformation.GetErrorCode(strResult, "errcode");
return(false);
}
}
catch (Exception ex)
{
errorDescription = ex.Message;
return(false);
}
return(true);
}
}
/// <summary>
/// 请求向微信服务器通讯，并取得结果
/// </summary>
/// <param name="url"></param>
/// <param name="data"></param>
/// <param name="errorDescription"></param>
/// <returns></returns>
private static bool PostToWeixinServer(string url, string data, ref string errorDescription)
{
// 通过 AppID，AppSecret 得到菜单token
//access_token = GetAccessToken(AppID, AppSecret);
if (string.IsNullOrEmpty(Utility.Access_token))
{
errorDescription = "发生错误:access_token为null,请查看页面的Load事件是否调用了Utility.GetAccessToken()方法";
return(false);
}
System.Net.WebClient client = new System.Net.WebClient();
client.Headers["Content-Type"] = "application/json";
client.Encoding = System.Text.Encoding.UTF8;
try
{
string strResult = "";
if (string.IsNullOrEmpty(data))
{
strResult = client.UploadString(string.Format("{0}?access_token={1}", url, Utility.Access_token), (string.IsNullOrEmpty(data) ? "get" : "post"));
}
else
{
strResult = client.UploadString(string.Format("{0}?access_token={1}", url, Utility.Access_token), (string.IsNullOrEmpty(data) ? "get" : "post"), data);
}
if (strResult.IndexOf("ok") <= 0)
{
errorDescription = ErrorInformation.GetErrorCode(strResult, "errcode");
return(false);
}
}
catch (Exception e)
{
errorDescription = e.Message;
return(false);
}
return(true);
}
/// <summary>
/// 获取请求返回的Json结果
/// </summary>
/// <param name="url">请求微信服务器路径</param>
/// <param name="errorDescription">错误描述</param>
/// <param name="JsonResult">json结果</param>
/// <returns></returns>
private static bool GetRepuestResult(string url, ref string errorDescription, ref string JsonResult)
{
errorDescription = "";
if (string.IsNullOrEmpty(url))
{
errorDescription = "发生错误!请求路径为空";
return(false);
}
using (System.Net.WebClient client = new System.Net.WebClient())
{
string result = "";
try
{
byte[] by = client.DownloadData(url);
result = System.Text.Encoding.UTF8.GetString(by);
}
catch (Exception ex)
{
errorDescription = ex.Message;
return(false);
}
if (result.IndexOf("errcode") >= 0)
{
if (!Utility.AnalysisJson(result, "errcode").Equals("0"))
{
errorDescription = ErrorInformation.GetErrorCode(result, "errcode");
return(false);
}
}
JsonResult = result;
return(true);
}
}
/// <summary>
/// 根据Openid进行群发
/// </summary>
/// <param name="OpenidList">用户openid集合(用 "," 隔开)</param>
/// <param name="messagetype">群发的消息类型(目前只支持 1、mpnews(图文) 2、voice(语音) 3、image(图片) 4、text(文本)</param>
/// <param name="content">群发的消息的内容(如果发送信息是媒体类型,此参数填写媒体media_id，如果消息类型为文本类型,直接填写文本内容就可)</param>
/// <param name="msg_id">发送成功返回本次的群发的消息ID(可以通过消息ID删除群发信息)</param>
/// <param name="errorDescription">错误描述</param>
/// <returns>成功返回：true，否则返回true</returns>
public static bool SendFansListMessage(string OpenidList, string messagetype, string content, ref string msg_id, ref string errorDescription)
{
errorDescription = "";
msg_id = "";
if (string.IsNullOrEmpty(content))
{
errorDescription = "-10005,media_id不能为空";
return(false);
}
if (string.IsNullOrEmpty(OpenidList))
{
errorDescription = "-10004,OpenidList不能为空";
return(false);
}
StringBuilder dr = new StringBuilder();
string media_id = "media_id";//类型名称
if (string.IsNullOrEmpty(content))
{
errorDescription = "-10004,media_id不能为空";
return(false);
}
if (messagetype == "text")
{
media_id = "content";
}
try
{
string[] openid = OpenidList.Split(',');
dr.Append("{");
dr.Append("\"touser\":[");
string str = "";
for (int i = 0; i < openid.Length; i++)
{
if (i < 10000 && !string.IsNullOrEmpty(openid[i]))
{
str += "\"" + openid[i] + "\",";
}
}
dr.Append(str.Substring(0, str.Length - 1));
dr.Append("],");
dr.Append("\"" + messagetype + "\":{");
dr.Append("\"" + media_id + "\":\"" + content + "\"");
dr.Append("},");
dr.Append("\"msgtype\":\"" + messagetype + "\"");
dr.Append("}");
}
catch (Exception ex)
{
errorDescription = "发送失败：" + ex.Message;
return(false);
}
string result = RequestSend(string.Format("https://api.weixin.qq.com/cgi-bin/message/mass/send?access_token={0}", Utility.Access_token), dr.ToString(), ref errorDescription);
if (string.IsNullOrEmpty(result))
{
return(false);
}
long errcode = Shove._Convert.StrToLong(Utility.AnalysisJson(result, "errcode"), -1);
if (errcode == 0)
{
msg_id = Utility.AnalysisJson(result, "msg_id");
return(true);
}
errorDescription = ErrorInformation.GetErrorCode(result, "errcode");
return(false);
}
/// <summary>
/// 群发视频信息(根据分组和Openid进行发送)
/// </summary>
/// <param name="to_user"></param>
/// <param name="Video_media_id"></param>
/// <param name="type"></param>
/// <param name="VideoTitle"></param>
/// <param name="description"></param>
/// <param name="msg_id"></param>
/// <param name="errorDescription"></param>
/// <returns></returns>
public static bool SendGroupVideoMessage(string to_user, string Video_media_id, int type, string VideoTitle, string description, ref string msg_id, ref string errorDescription)
{
#region 参数验证
if (type <= 0 && type > 2)
{
errorDescription = "-1,参数\"type\":类型不合法";
return(false);
}
errorDescription = "";
msg_id = "";
if (string.IsNullOrEmpty(Video_media_id))
{
errorDescription = "-10004,Video_media_id不能为空";
return(false);
}
if (string.IsNullOrEmpty(to_user))
{
errorDescription = "-10003,group_id不能为空";
return(false);
}
if (type == 1)
{
if (Shove._Convert.StrToLong(to_user, -1) < 0)
{
errorDescription = "-10002,不合法的groupId";
return(false);
}
}
else
{
}
#endregion
#region 微信重新处理视频文件id,返回新的视频文件ID
string json = "{\"media_id\": \"" + Video_media_id + "\", \"title\": \"" + VideoTitle + "\",\"description\": \"" + description + "\"}";
using (System.Net.WebClient client = new System.Net.WebClient())
{
client.Headers["Content-Type"] = "application/json";
client.Encoding = System.Text.Encoding.UTF8;
client.Credentials = CredentialCache.DefaultCredentials;
try
{
string strResult = "";
ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback(CheckValidationResult);
strResult = client.UploadString(string.Format("https://file.api.weixin.qq.com/cgi-bin/media/uploadvideo?access_token={0}", Utility.Access_token), "post", json);
if (strResult.IndexOf("errcode") >= 0)
{
errorDescription = ErrorInformation.GetErrorCode(strResult, "errcode");
Video_media_id = "";
return(false);
}
string media_type = Utility.AnalysisJson(strResult, "type");
Video_media_id = Utility.AnalysisJson(strResult, "media_id");
}
catch (Exception e)
{
errorDescription = e.Message;
return(false);
}
}
#endregion
#region 群发处理后的视频文件
StringBuilder dr = new StringBuilder();
if (type == 1)
{
dr.Append("{");
dr.Append("\"filter\":{");
dr.Append("\"group_id\":\"" + to_user + "\"");
dr.Append("},");
dr.Append("\"mpvideo\":{");
dr.Append("\"media_id\":\"" + Video_media_id + "\"");
dr.Append("},");
dr.Append("\"msgtype\":\"mpvideo\"");
dr.Append("}");
}
else
{
string[] openid = to_user.Split(',');
dr.Append("{");
dr.Append("\"touser\":[");
string str = "";
for (int i = 0; i < openid.Length; i++)
{
if (i < 10000 && !string.IsNullOrEmpty(openid[i]))
{
str += "\"" + openid[i] + "\",";
}
}
dr.Append(str.Substring(0, str.Length - 1));
dr.Append("],");
dr.Append("\"mpnews\":{");
dr.Append("\"media_id\":\"" + Video_media_id + "\"");
dr.Append("},");
dr.Append("\"msgtype\":\"mpnews\"");
dr.Append("}");
}
string result = RequestSend(string.Format("https://api.weixin.qq.com/cgi-bin/message/mass/sendall?access_token={0}", Utility.Access_token), dr.ToString(), ref errorDescription);
if (string.IsNullOrEmpty(result))
{
return(false);
}
long errcode = Shove._Convert.StrToLong(Utility.AnalysisJson(result, "errcode"), -1);
if (errcode == 0)
{
msg_id = Utility.AnalysisJson(result, "msg_id");
return(true);
}
errorDescription = ErrorInformation.GetErrorCode(result, "errcode");
return(false);
#endregion
}
/// <summary>
/// 根据分组进行群发
/// </summary>
/// <param name="group_id">用户分组ID</param>
/// <param name="messagetype">群发的消息类型(目前只支持 1、mpnews(图文) 2、voice(语音) 3、image(图片) 4、text(文本))</param>
/// <param name="content">群发的消息的内容(如果发送消息是媒体类型,此参数填写媒体media_id，如果消息为文本类型,直接填写文本消息内容就可)</param>
/// <param name="msg_id">发送成功返回本次的群发的消息ID(可以通过消息ID删除群发信息)</param>
/// <param name="errorDescription">错误描述</param>
/// <returns>成功返回：true，否则返回true</returns>
public static bool SendGroupMessage(string group_id, string messagetype, string content, ref string msg_id, ref string errorDescription)
{
List <string> typeList = new List <string>();
typeList.Add("mpnews");
typeList.Add("voice");
typeList.Add("image");
typeList.Add("text");
if (!typeList.Contains(messagetype))
{
errorDescription = "-1,参数\"messagetype\":类型不合法";
return(false);
}
errorDescription = "";
msg_id = "";
string media_id = "media_id";//类型名称
if (string.IsNullOrEmpty(content))
{
errorDescription = "-10004,media_id不能为空";
return(false);
}
if (string.IsNullOrEmpty(group_id))
{
errorDescription = "-10003,group_id不能为空";
return(false);
}
if (Shove._Convert.StrToLong(group_id, -1) < 0)
{
errorDescription = "-10002,不合法的groupId";
return(false);
}
if (messagetype == "text")
{
media_id = "content";
}
StringBuilder dr = new StringBuilder();
dr.Append("{");
dr.Append("\"filter\":{");
dr.Append("\"group_id\":\"" + group_id + "\"");
dr.Append("},");
dr.Append("\"" + messagetype + "\":{");
dr.Append("\"" + media_id + "\":\"" + content + "\"");
dr.Append("},");
dr.Append("\"msgtype\":\"" + messagetype + "\"");
dr.Append("}");
string result = RequestSend(string.Format("https://api.weixin.qq.com/cgi-bin/message/mass/sendall?access_token={0}", Utility.Access_token), dr.ToString(), ref errorDescription);
if (string.IsNullOrEmpty(result))
{
return(false);
}
long errcode = Shove._Convert.StrToLong(Utility.AnalysisJson(result, "errcode"), -1);
if (errcode == 0)
{
msg_id = Utility.AnalysisJson(result, "msg_id");
return(true);
}
errorDescription = ErrorInformation.GetErrorCode(result, "errcode");
return(false);
}
/// <summary>删除永久素材
/// </summary>
/// <param name="media_id">素材标识id</param>
/// <param name="errorDescription">返回错误信息</param>
/// <returns></returns>
public static bool DeletePermanenceMaterial(string media_id, ref string errorDescription)
{
if (string.IsNullOrEmpty(Access_token))
{
errorDescription = "发生错误:access_token为null,请查看页面的Load事件是否调用了Utility.GetAccessToken()方法";
return(false);
}
string param = "{\"media_id\":\"" + media_id + "\"}";
System.Net.HttpWebRequest request = (System.Net.HttpWebRequest)WebRequest.Create(string.Format("https://api.weixin.qq.com/cgi-bin/material/del_material?access_token={0}", Access_token));
request.Method = "POST";
request.ContentType = "application/json;charset=UTF-8";
byte[] payload = System.Text.Encoding.UTF8.GetBytes(param);
request.ContentLength = payload.Length;
string strResult = string.Empty;
Stream requestStream = null;
HttpWebResponse response = null;
Stream responseStream = null;
StreamReader myStreamReader = null;
try
{
requestStream = request.GetRequestStream();
requestStream.Write(payload, 0, payload.Length);
response = (HttpWebResponse)request.GetResponse();
responseStream = response.GetResponseStream();
}
catch (Exception ex)
{
errorDescription = ex.Message;
return(false);
}
finally
{
if (responseStream != null)
{
myStreamReader = new StreamReader(responseStream, System.Text.Encoding.GetEncoding("utf-8"));
strResult = myStreamReader.ReadToEnd();
if (myStreamReader != null)
{
myStreamReader.Close();
myStreamReader.Dispose();
}
responseStream.Close();
responseStream.Dispose();
}
if (requestStream != null)
{
requestStream.Close();
}
if (response != null)
{
response.Close();
}
}
if (String.IsNullOrEmpty(strResult))
{
errorDescription = "接口调用异常";
return(false);
}
if (strResult.IndexOf("errcode") >= 0)
{
//根据错误代码获取错误代码对应的解释
errorDescription = ErrorInformation.GetErrorCode(strResult, "errcode");
if (Utility.AnalysisJson(strResult, "errcode") == "0")
{
return(true);
}
else
{
return(false);
}
}
return(true);
}
/// <summary>修改永久图文素材
/// </summary>
/// <param name="massImageTextMessage">图文信息集合</param>
/// <param name="media_id">上传素材后获取的唯一标识(用于群发接口中使用)</param>
/// <param name="errorDescription">错误描述</param>
/// <returns>成功: true | 失败：false</returns>
public static bool UpdatePermanenceImageTextMaterial(List <MassImageTextMessage> massImageTextMessage, string media_id, ref string errorDescription)
{
errorDescription = string.Empty;
if (massImageTextMessage == null || massImageTextMessage.Count <= 0)
{
errorDescription = "-10000,消息集合不能为空";
return(false);
}
if (string.IsNullOrEmpty(Access_token))
{
errorDescription = "发生错误:access_token为null,请查看页面的Load事件是否调用了Utility.GetAccessToken()方法";
return(false);
}
StringBuilder json = new StringBuilder();
json.Append("{ \"media_id\":\"" + media_id + "\",\"index\":\"0\",\"articles\": ");
for (int i = 0; i < massImageTextMessage.Count; i++)
{
json.Append(massImageTextMessage[i].Tojson());
}
json.Remove(json.Length - 1, 1);
json.Append("}");
System.Net.WebClient client = new System.Net.WebClient();
client.Headers["Content-Type"] = "application/json";
client.Encoding = System.Text.Encoding.UTF8;
string strResult = string.Empty;
try
{
strResult = client.UploadString(string.Format("https://api.weixin.qq.com/cgi-bin/material/update_news?access_token={0}", Access_token), "post", json.ToString());
}
catch (Exception e)
{
errorDescription = e.Message;
return(false);
}
finally
{
client.Dispose();
}
if (String.IsNullOrEmpty(strResult))
{
errorDescription = "接口调用异常";
return(false);
}
if (strResult.IndexOf("errcode") >= 0)
{
//根据错误代码获取错误代码对应的解释
errorDescription = ErrorInformation.GetErrorCode(strResult, "errcode");
if (Utility.AnalysisJson(strResult, "errcode") == "0")
{
return(true);
}
else
{
return(false);
}
}
return(true);
}
/// <summary>上传永久文件类型素材
/// </summary>
/// <param name="filePath">文件路径</param>
/// <param name="type">文件类型</param>
/// <param name="videoTitle">视频标题（不是视频填空即可）</param>
/// <param name="videoIntroduction">视频简介（不是视频填空即可）</param>
/// <param name="media_id">返回媒体文件ID</param>
/// <param name="url">媒体文件路径（仅新增图片素材时会返回该字段）</param>
/// <param name="errorDescription">返回消息</param>
/// <returns></returns>
public static bool UploadPermanenceFileMaterial(string filePath, string type, string videoTitle, string videoIntroduction, ref string media_id, ref string url, ref string errorDescription)
{
errorDescription = string.Empty;
string types = "image,voice,video,thumb";
if (types.IndexOf(type) < 0)
{
errorDescription = "媒体文件类型错误";
return(false);
}
if (string.IsNullOrEmpty(filePath))
{
errorDescription = "错误：媒体文件为空";
return(false);
}
if (string.IsNullOrEmpty(Access_token))
{
errorDescription = "发生错误:access_token为null,请查看页面的Load事件是否调用了Utility.GetAccessToken()方法";
return(false);
}
HttpWebRequest request = null;
if (type == "video")
{
if (string.IsNullOrEmpty(videoTitle))
{
errorDescription = "上传视频的标题不能为空";
return(false);
}
string videoStr = "{ \"title\":\"" + videoTitle + "\", \"introduction\":\"" + videoIntroduction + "\"}";
request = (HttpWebRequest)WebRequest.Create(string.Format("https://api.weixin.qq.com/cgi-bin/material/add_material?access_token={0}&type={1}&description={2}", Access_token, type, videoStr));
}
else
{
request = (HttpWebRequest)WebRequest.Create(string.Format("https://api.weixin.qq.com/cgi-bin/material/add_material?access_token={0}&type={1}", Access_token, type));
}
MemoryStream postStream = new MemoryStream();
string boundary = "----" + DateTime.Now.Ticks.ToString("x");
FileInfo files = new FileInfo(filePath);
string formdataTemplate = "\r\n--" + boundary + "\r\nContent-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"\r\nContent-Type: application/octet-stream\r\n\r\n";
string formdata = string.Format(formdataTemplate, "media", files.Name);
byte[] footer = System.Text.Encoding.UTF8.GetBytes("\r\n--" + boundary + "--\r\n");
request.Method = "POST";
request.Timeout = 300000;
request.ContentType = string.Format("multipart/form-data; boundary={0}", boundary);
request.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";
request.KeepAlive = true;
request.ServicePoint.ConnectionLimit = 1000;
request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.57 Safari/537.36";
byte[] buffer = new byte[1024];
int bytesRead = 0;
string strResult = string.Empty;
FileStream fileStream = null;
byte[] formdataBytes = null;
try
{
fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read);
formdataBytes = System.Text.Encoding.UTF8.GetBytes(postStream.Length == 0 ? formdata.Substring(2, formdata.Length - 2) : formdata);//第一行不需要换行
postStream.Write(formdataBytes, 0, formdataBytes.Length);
//写入文件
while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
{
postStream.Write(buffer, 0, bytesRead);
}
//结尾
postStream.Write(footer, 0, footer.Length);
}
catch (Exception ex)
{
errorDescription = ex.Message;
return(false);
}
finally
{
if (fileStream != null)
{
fileStream.Close();
fileStream.Dispose();
}
}
if (postStream == null)
{
errorDescription = "读写流异常";
return(false);
}
bytesRead = 0;
request.ContentLength = postStream.Length;
postStream.Position = 0;
Stream requestStream = null;
HttpWebResponse response = null;
Stream responseStream = null;
StreamReader myStreamReader = null;
try
{
requestStream = request.GetRequestStream();
while ((bytesRead = postStream.Read(buffer, 0, buffer.Length)) != 0)
{
requestStream.Write(buffer, 0, bytesRead);
}
response = (HttpWebResponse)request.GetResponse();
responseStream = response.GetResponseStream();
}
catch (Exception ex)
{
errorDescription = ex.Message;
return(false);
}
finally
{
if (responseStream != null)
{
myStreamReader = new StreamReader(responseStream, System.Text.Encoding.GetEncoding("utf-8"));
strResult = myStreamReader.ReadToEnd();
if (myStreamReader != null)
{
myStreamReader.Close();
myStreamReader.Dispose();
}
responseStream.Close();
responseStream.Dispose();
}
if (postStream != null)
{
postStream.Close(); //关闭文件访问
postStream.Dispose(); //释放资源
}
if (requestStream != null)
{
requestStream.Close();
requestStream.Dispose();
}
if (response != null)
{
response.Close();
}
}
if (String.IsNullOrEmpty(strResult))
{
errorDescription = "接口调用异常";
return(false);
}
if (strResult.IndexOf("errcode") < 0)
{
//媒体文件ID;
media_id = Utility.AnalysisJson(strResult, "media_id");
//媒体文件路径
if (strResult.Contains("url"))
{
url = Utility.AnalysisJson(strResult, "url");
}
else
{
url = string.Empty;
}
return(true);
}
else
{
//根据错误代码获取错误代码对应的解释
errorDescription = ErrorInformation.GetErrorCode(strResult, "errcode");
return(false);
}
}
/// <summary>
/// 上传群图文素材(此方法上传素材只能用作于群发)
/// </summary>
/// <param name="massImageTextMessage">上传素材的集合(支持1到10条图文信息)</param>
/// <param name="media_id">上传素材后获取的唯一标识(用于群发接口中使用)</param>
/// <param name="errorDescription"></param>
/// <returns>成功: true | 失败：false</returns>
public static bool UploadMassImageTextMessage(List <MassImageTextMessage> massImageTextMessage, ref string media_id, ref string errorDescription)
{
errorDescription = string.Empty;
media_id = string.Empty;
if (massImageTextMessage == null || massImageTextMessage.Count <= 0)
{
errorDescription = "-10000,消息集合不能为空";
return(false);
}
StringBuilder json = new StringBuilder();
json.Append("{\"articles\": [");
for (int i = 0; i < massImageTextMessage.Count; i++)
{
json.Append(massImageTextMessage[i].Tojson());
}
json.Remove(json.Length - 1, 1);
json.Append("]}");
System.Net.WebClient client = new System.Net.WebClient();
client.Headers["Content-Type"] = "application/json";
client.Encoding = System.Text.Encoding.UTF8;
string strResult = string.Empty;
try
{
strResult = client.UploadString(string.Format("https://api.weixin.qq.com/cgi-bin/media/uploadnews?access_token={0}", Access_token), "post", json.ToString());
}
catch (Exception e)
{
errorDescription = e.Message;
return(false);
}
finally
{
client.Dispose();
}
if (String.IsNullOrEmpty(strResult))
{
errorDescription = "接口调用异常";
return(false);
}
if (strResult.IndexOf("errcode") >= 0)
{
errorDescription = ErrorInformation.GetErrorCode(strResult, "errcode");
media_id = "";
return(false);
}
string type = Utility.AnalysisJson(strResult, "type");
media_id = Utility.AnalysisJson(strResult, "media_id");
return(true);
}
/// <summary>
/// 下载媒体文件
/// </summary>
/// <param name="media_id">文件的ID</param>
/// <param name="saveFilePath">保存文件的地址 下载成功返回文件的地址</param>
/// <param name="errorDescription">错误描述</param>
/// <returns></returns>
public static bool DownloadFile(string media_id, ref string saveFilePath, ref string errorDescription)
{
errorDescription = string.Empty;
//得到文件名称,byte
string pathName = string.Empty;
if (string.IsNullOrEmpty(media_id))
{
errorDescription = "发生错误,media_id为空";
return(false);
}
if (string.IsNullOrEmpty(Access_token))
{
errorDescription = "发生错误:access_token为null,请查看页面的Load事件是否调用了Utility.GetAccessToken()方法";
return(false);
}
Uri downUri = new Uri(
string.Format("http://file.api.weixin.qq.com/cgi-bin/media/get?access_token={0}&media_id={1}",
Access_token, media_id));
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(downUri);
//设置接收对象大小为0-2097152字节(2MB)。
request.AddRange(0, 2097152);
if (string.IsNullOrEmpty(saveFilePath))
{
saveFilePath = "~/Downloads/Weixin/";
}
byte[] bytes = new byte[102400];
int n = 1;
try
{
#region 如果返回的信息小于0，获取微信服务器返回的错误编码
if (request.GetResponse().ContentLength <= 0)
{
using (System.Net.WebClient client = new System.Net.WebClient())
{
byte[] by = client.DownloadData(string.Format("http://file.api.weixin.qq.com/cgi-bin/media/get?access_token={0}&media_id={1}", Access_token, media_id));
string errorCode = System.Text.Encoding.UTF8.GetString(by);
//获取返回错误代码
errorDescription = ErrorInformation.GetErrorCode(errorCode, "errcode");
}
return(false);
}
#endregion
pathName = request.GetResponse().Headers.GetValues(1)[0].Split('\"')[1];
//媒体文件类型
// string type = request.GetResponse().ContentType;
using (Stream stream = request.GetResponse().GetResponseStream())
{
if (!Directory.Exists(HttpContext.Current.Server.MapPath(saveFilePath)))
{
Directory.CreateDirectory(HttpContext.Current.Server.MapPath(saveFilePath));
}
using (FileStream fs = File.Create(HttpContext.Current.Server.MapPath(saveFilePath) + pathName))
{
while (n > 0)
{
//一次从流中读多少字节，
n = stream.Read(bytes, 0, 10240);
//将指定字节的流信息写入文件流中
fs.Write(bytes, 0, n);
}
}
}
}
catch (Exception ex)
{
errorDescription = ex.Message;
return(false);
}
saveFilePath = saveFilePath + pathName;
return(true);
}
/// <summary>
/// 上传文件
/// </summary>
/// <param name="filePath">要上传的本地文件路径</param>
/// <param name="type">媒体文件类型，分别有图片（image）、语音（voice）、视频（video）和缩略图（thumb)</param>
/// <param name="media_id">上传成功后,返回媒体文件ID</param>
/// <param name="created_at">媒体文件上传的时间 文件上传三天系统会自动删除</param>
/// <param name="errorDescription">错误描述</param>
/// <returns></returns>
public static bool UploadFile(string filePath, string type, ref string media_id, ref string created_at, ref string errorDescription)
{
errorDescription = string.Empty;
created_at = string.Empty;
string types = "image,voice,video,thumb";
if (types.IndexOf(type) < 0)
{
errorDescription = "媒体文件类型错误";
return(false);
}
if (string.IsNullOrEmpty(filePath))
{
errorDescription = "错误：媒体文件为空";
return(false);
}
if (string.IsNullOrEmpty(Access_token))
{
errorDescription = "发生错误:access_token为null,请查看页面的Load事件是否调用了Utility.GetAccessToken()方法";
return(false);
}
string errorCode = string.Empty;
using (System.Net.WebClient client = new System.Net.WebClient())
{
try
{
byte[] by = client.UploadFile(string.Format("http://file.api.weixin.qq.com/cgi-bin/media/upload?access_token={0}&type={1}", Access_token, type), filePath);
errorCode = System.Text.Encoding.UTF8.GetString(by);
}
catch (Exception ex)
{
errorDescription = ex.Message;
return(false);
}
finally
{
client.Dispose();
}
if (String.IsNullOrEmpty(errorCode))
{
errorDescription = "接口调用异常";
return(false);
}
if (errorCode.IndexOf("errcode") < 0)
{
//媒体文件ID;
media_id = Utility.AnalysisJson(errorCode, type == "thumb" ? "thumb_media_id" : "media_id");// errorCode.Split('\"')[7];
//媒体文件上传时间
created_at = Utility.FromUnixTime(Utility.AnalysisJson(errorCode, "created_at")).ToString();
return(true);
}
//根据错误代码获取错误代码对应的解释
errorDescription = ErrorInformation.GetErrorCode(errorCode, "errcode");
}
return(false);
}
/// <summary>
/// 获取粉丝列表
/// </summary>
/// <param name="next_openid">第一个拉取的openID,如果不填默认从头开始拉取</param>
/// <param name="errorDescription">错误描述</param>
/// <returns>返回FansListInformation实体对象</returns>
public static FansListInformation GetFansList(string next_openid, ref string errorDescription)
{
errorDescription = "";
if (string.IsNullOrEmpty(Utility.Access_token))
{
errorDescription = "发生错误:access_token为null,请查看页面的Load事件是否调用了Utility.GetAccessToken()方法";
return(null);
}
bool IsBool = true;
FansListInformation FansList = new FansListInformation();
FansList.Next_openid = next_openid;
//循环读取粉丝列表,每次只拉取1000个, 通过每次返回粉丝列表最后一个Next_openid作为下一次Next_openid参数，
//直到把粉丝列表取完Next_openid=""
while (IsBool)
{
using (System.Net.WebClient client = new System.Net.WebClient())
{
byte[] by;
try
{
by = client.DownloadData(
string.Format("https://api.weixin.qq.com/cgi-bin/user/get?access_token={0}&next_openid={1}",
Utility.Access_token, FansList.Next_openid));
}
catch (Exception ex)
{
errorDescription = ex.Message;
return(null);
}
if (by.Length <= 0)
{
errorDescription = "拉取用户列表发生错误!";
return(null);
}
string values = System.Text.Encoding.UTF8.GetString(by).Replace("count", "usercount");
if (values.IndexOf("errcode") >= 0)
{
errorDescription = ErrorInformation.GetErrorCode(values, "errcode");
return(null);
}
FansList.Next_openid = Utility.AnalysisJson(values, "next_openid"); //每次获取用户列表最后一个openid
FansList.Total = Utility.AnalysisJson(values, "total"); //总用户数
FansList.Count = Utility.AnalysisJson(values, "usercount"); //每次获取的用户数
if (string.IsNullOrEmpty(FansList.Next_openid))
{
IsBool = false;
break;
}
//分解列表数据
string[] _openid = values.Replace("[", "]").Split(']')[1].Split(',');
for (int i = 0; i < _openid.Length; i++)
{
if (!string.IsNullOrEmpty(_openid[i]))
{
//将拉取到的_openid存入 FansList.Data集合中
FansList.Data.Add(_openid[i].Trim('\"'));
}
}
}
}
if (FansList.Data.Count <= 0)
{
errorDescription = "该公众账号没有粉丝关注。";
return(null);
}
return(FansList);
}
