/// <summary>
/// 创建POST方式的HTTP请求
/// </summary>
/// <param name="url">请求的URL</param>
/// <param name="parameters">随同请求POST的参数名称及参数值字典</param>
/// <returns></returns>
public HttpRequestResult DoPost(string url, NameValueCollection parameters)
{
HttpRequestResult httpRequestResult = new HttpRequestResult();
try
{
_webClient.Headers.Add("Content-Type", "application/x-www-form-urlencoded");
var responseBuffer = _webClient.UploadValues(_messageSendServiceUrl, "POST", parameters);
httpRequestResult.Success = true;
httpRequestResult.Result = Encoding.UTF8.GetString(responseBuffer);
}
catch (WebException e)
{
httpRequestResult.Success = false;
httpRequestResult.Result = e.Message;
}
return(httpRequestResult);
}
public HttpRequestResult DoGet(string url)
{
HttpRequestResult httpRequestResult = new HttpRequestResult();
try
{
_webClient.Headers.Add("Content-Type", "application/x-www-form-urlencoded");
var responseBuffer = _webClient.DownloadString(url);
httpRequestResult.Success = true;
httpRequestResult.Result = responseBuffer;
}
catch (WebException e)
{
httpRequestResult.Success = false;
httpRequestResult.Result = e.Message;
}
return(httpRequestResult);
}
/// <summary>
/// 发送多条消息</summary>
/// <param name="messageContent">消息封包</param>
/// <param name="messageReceivers">消息接收者</param>
public virtual SendMessageResult SendMultiMessage(MessageContent messageContent, MultiMessageReceiver messageReceivers)
{
Message message = new Message {
Type = messageContent.Type, Content = messageContent
};
// 获取token，检查token的有效性
AccessToken token = GetAccessToken();
if (!token.Success)
{
return(new SendMessageResult(false, token.Error));
}
NameValueCollection parameters = new NameValueCollection();
parameters.Add("access_token", token.Token);
parameters.Add("message", SerializeMessage(message));
if (messageReceivers.IdType == PersonMessageReceiverIdType.LoginId)
{
parameters.Add("loginIds", messageReceivers.ToId);
}
else if (messageReceivers.IdType == PersonMessageReceiverIdType.UserId)
{
parameters.Add("userIds", messageReceivers.ToId);
}
parameters.Add("userNames", messageReceivers.ToName);
parameters.Add("id_type", ((int)messageReceivers.IdType).ToString());
parameters.Add("msgIds", MakeMessageIds(messageReceivers.Length));
HttpRequestResult requestResult = DoPost(_messageSendServiceUrl, parameters);
if (!requestResult.Success)
{
return(new SendMessageResult(false, requestResult.Result));
}
return(JsonConvert.DeserializeObject <SendMessageResult>(requestResult.Result));
}
public virtual AccessToken GetAccessToken()
{
// 检查token过期
if (null != _accessToken && _accessToken.Success && _accessToken.Expire > new DateTime())
{
return(_accessToken);
}
HttpRequestResult result = DoGet(String.Format(_tokenGetServiceUrl + "?grant_type={0}&appid={1}&secret={2}", "client_credential", _appId, _secretKey));
// 如果调用rest服务出问题了，那么就直接accessToken
if (!result.Success)
{
_accessToken = new AccessToken(result.Success, result.Result);
return(_accessToken);
}
// 缓存accessToken
_accessToken = JsonConvert.DeserializeObject <AccessToken>(result.Result);
return(_accessToken);
}
