/// <summary>
/// 查询当前预付费用户余额
/// </summary>
/// <returns>返回结果</returns>
public static string CallApi()
{
//拼接Token，account+时间戳yyyyMMddHHmmss+password 做 md5 编码(Hex 字符串)
string timeStamp = DateTime.Now.ToString("yyyyMMddHHmmss");
string token = string.Format("{0}{1}{2}", UserId, timeStamp, Password);
//拼接URL
string url = string.Format("{0}/{1}/{2}/{3}", BaseUrl, Method, UserId, ToolHelper.GetMd5(token));
HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(url); //建立Request请求
myRequest.Method = "POST"; //采用POST方式提交
myRequest.Accept = "application/json"; //客户端响应接收数据格式
myRequest.ContentType = "application/json;charset=utf-8;"; //类型
string authorization = ToolHelper.GetBase64(UserId + ":" + timeStamp); //Base64加密
myRequest.Headers.Add("Authorization", authorization); //用户鉴权
string result = string.Empty;
try
{
HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse(); //获取
if (myResponse.StatusCode == HttpStatusCode.OK) //返回正确（200 OK）
{
StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8); //读取返回结果
result = reader.ReadToEnd(); //获取JSON数据
}
}
catch (Exception ex)
{
result = ex.Message; //异常结果
}
return(result);
}
/// <summary>
/// 调用平台短信接口
/// </summary>
/// <returns>返回结果</returns>
public static string CallApi()
{
//拼接Token，account+时间戳yyyyMMddHHmmss+password 做 md5 编码(Hex 字符串)
string timeStamp = DateTime.Now.ToString("yyyyMMddHHmmss");
string token = string.Format("{0}{1}{2}", UserId, timeStamp, Password);
//拼接URL
string url = string.Format("{0}/{1}/{2}/{3}", BaseUrl, Method, UserId, ToolHelper.GetMd5(token));
Dictionary <string, object> postData = new Dictionary <string, object>(); //POST参数
postData.Add("Cli_Msg_Id", CliMsgId); //参数：客户流水号
postData.Add("Pk_total ", PkTotal); //参数：相同信息总条数
postData.Add("Pk_number", PkNumber); //参数：相同信息序号
postData.Add("Registered_Delivery", RegisteredDelivery); //参数：是否要求返回状态确认报告
postData.Add("Msg_level", MsgLevel); //参数：信息级别 （0-9）数字越大，级别越高
postData.Add("Service_Id", ServiceId); //参数：业务类型，是数字、字母和符号的组合
postData.Add("TP_pId", TPPId); //参数：GSM 协议类型
postData.Add("TP_udhi", TPUdhi); //参数：GSM 协议类型
postData.Add("Msg_Fmt", MsgFmt); //参数：短信内容编码
postData.Add("Msg_src", MsgSrc); //参数：信息内容来源(数字、英文)
postData.Add("Src_Id", SrcId); //源号码，子扩展号
postData.Add("Dest_terminal_Id", DestTerminalId); //手机号码（最大 21 位），集合表示。
byte[] msgContentByte = System.Text.Encoding.GetEncoding(936).GetBytes(MsgContent); //使用GB2312 转码
postData.Add("Msg_Content", msgContentByte); //短信内容，使用 Msg_Fmt 编码编码为 Byte[]。
//手动拼接JSON数据（此处可以使用JSON的序列化工具）
StringBuilder param = new StringBuilder();
param.Append("{");
foreach (var data in postData)
{
if (data.Value.GetType().Name == "String[]")
{
param.Append("\"" + data.Key + "\"");
param.Append(":");
param.Append("[");
foreach (string str in (string[])(data.Value))
{
param.Append(str + ",");
}
param.Remove(param.Length - 1, 1); //去除末尾的逗号
param.Append("],");
}
else if (data.Value.GetType().Name == "Byte[]")
{
param.Append("\"" + data.Key + "\"");
param.Append(":");
param.Append("[");
foreach (byte by in (byte[])(data.Value))
{
param.Append(by + ",");
}
param.Remove(param.Length - 1, 1); //去除末尾的逗号
param.Append("],");
}
else
{
param.Append(data.Key + ":\"" + data.Value + "\",");
}
}
param.Remove(param.Length - 1, 1); //去除末尾的逗号
param.Append("}");
HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(url); //建立Request请求
myRequest.Method = "POST"; //采用POST方式提交
myRequest.Accept = "application/json"; //客户端响应接收数据格式
myRequest.ContentType = "application/json;charset=utf-8;"; //类型
string authorization = ToolHelper.GetBase64(UserId + ":" + timeStamp); //Base64加密
myRequest.Headers.Add("Authorization", authorization); //用户鉴权
UTF8Encoding encoding = new UTF8Encoding(); //参数编码格式
byte[] postParams = encoding.GetBytes(param.ToString()); //转化编码格式
myRequest.ContentLength = postParams.Length; //内容长度
Stream postStream = myRequest.GetRequestStream(); //请求流数据
//发送数据
postStream.Write(postParams, 0, postParams.Length);
postStream.Flush();
postStream.Close();
string result = string.Empty;
try
{
HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse(); //获取
if (myResponse.StatusCode == HttpStatusCode.OK) //返回正确（200 OK）
{
StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8); //读取返回结果
result = reader.ReadToEnd(); //获取JSON数据
}
}
catch (Exception ex)
{
result = ex.Message; //异常结果
}
return(result);
}