public TokenResult getToken()
{
TokenResult result = null;
string apiPath = "/iocm/app/sec/v1.1.0/login";
string body = "appId=" + this.m_appid + "&secret=" + this.m_appsecret;
string method = "POST";
string contenttype = "application/x-www-form-urlencoded";
WebHeaderCollection headers = new WebHeaderCollection();
try
{
ApiResult apiresult = PostUrl(apiPath, body, headers, method, contenttype, this.m_p12certfile, this.m_certpassword);
log(apiresult.statusCode.ToString() + apiresult.result);
TokenResult tr = JsonConvert.DeserializeObject <TokenResult>(apiresult.result);
result = tr;
}
catch (Exception ex)
{
log(ex.Message);
log(ex.StackTrace);
result = null;
}
return(result);
}
public void ExplainData188(byte[] bFrame)
{
if (bFrame.Length < 13)
{
return;
}
if (!(bFrame[11] == 0x30 && bFrame[12] == 0x11))
{
return;
}
//主站主动下发
List <CommandPara> lsCmdPars = new List <CommandPara>();
string strCmdFrame = "";
for (int i = 0; i < bFrame.Length; i++)
{
strCmdFrame += GetStrFromHex(bFrame[i]);
}
CommandPara currCmdPara = new CommandPara();
currCmdPara.isNum = true;
currCmdPara.paraName = "L";
currCmdPara.paraValue = (strCmdFrame.Length / 2).ToString();
lsCmdPars.Add(currCmdPara);
currCmdPara = new CommandPara();
currCmdPara.isNum = false;
currCmdPara.paraName = "MOT";
currCmdPara.paraValue = strCmdFrame;
lsCmdPars.Add(currCmdPara);
string strTermAddr = GetStrFromHex(bFrame[8]) + GetStrFromHex(bFrame[7]) + GetStrFromHex(bFrame[6]) + GetStrFromHex(bFrame[5]) +
GetStrFromHex(bFrame[4]) + GetStrFromHex(bFrame[3]) + GetStrFromHex(bFrame[2]);
string strCTIOTID = "";
string strDeviceID = GlbData.GetDeviceID(strTermAddr, ref strCTIOTID);
if (strDeviceID == "")
{
return;
}
if (strCTIOTID == "")
{
return;
}
if (GlbData.CTIOTAppParaList.Contains(strCTIOTID))
{
CTIOT_APP_PARA ctiot_app_para = (CTIOT_APP_PARA)(GlbData.CTIOTAppParaList[strCTIOTID]);
if (ctiot_app_para != null)
{
NASDK currsdk = new NASDK(ctiot_app_para.SVR_IP, ctiot_app_para.SVR_PORT, ctiot_app_para.APP_ID, ctiot_app_para.APP_PWD,
ctiot_app_para.CERT_FILE, ctiot_app_para.CERT_PWD);
string strToken = ctiot_app_para.TOKEN;
DateTime dtLastgetTokenTime;
try
{
dtLastgetTokenTime = DateTime.Parse(ctiot_app_para.LAST_GETTOKEN_TIME);
}
catch
{
dtLastgetTokenTime = new DateTime(2000, 1, 1);
}
DateTime dtNow = DateTime.Now;
if (strToken == "" || (dtLastgetTokenTime < dtNow.AddMinutes(-30)))
{
TokenResult tr = currsdk.getToken();
if (tr == null)
{
return;
}
strToken = tr.accessToken.Trim();
string strLastgetTokenTime = dtNow.ToString("yyyy-MM-dd HH:mm:ss");
//存储
string strSQL = "update CT_IOT_APP_PARA set TOKEN='{0}',LAST_GETTOKEN_TIME='{1}' where ID=" + strCTIOTID;
strSQL = string.Format(strSQL, strToken, strLastgetTokenTime);
if (GlbData.DBConn.ExeSQL(strSQL))
{
ctiot_app_para.TOKEN = strToken;
ctiot_app_para.LAST_GETTOKEN_TIME = strLastgetTokenTime;
GlbData.CTIOTAppParaList[strCTIOTID] = ctiot_app_para;
}
}
string result = currsdk.sendCommand(strToken, strDeviceID, ctiot_app_para.CALLBACKURL, "DATA_UP", "MOT_DOWN", lsCmdPars);
if (result == null)
{
return;
}
}
}
}
public void ExplainData(byte[] bFrame)
{
if (bFrame.Length >= 20)
{
if ((bFrame[1] & 0x01) == 0x01)
{
string strAddr = (bFrame[9] + bFrame[10] * 256).ToString();
string strTermAddr = GetStrFromHex(bFrame[8]) + GetStrFromHex(bFrame[7]) + strAddr;
if (GlbData.GetProtocolID(strTermAddr) == "93")
{
ExplainData130(bFrame);
return;
}
}
byte bCtrlWord = bFrame[6];
if ((bCtrlWord & 0x40) > 0)
{
if (bFrame[12] == 0x02)
{
//链接帧数据，由IOT平台代发ACK，这里不再下发
return;
}
//主站主动下发
List <CommandPara> lsCmdPars = new List <CommandPara>();
string strCmdFrame = "";
for (int i = 0; i < bFrame.Length; i++)
{
strCmdFrame += GetStrFromHex(bFrame[i]);
}
CommandPara currCmdPara = new CommandPara();
currCmdPara.isNum = false;
currCmdPara.paraName = "CmdFrame";
currCmdPara.paraValue = strCmdFrame;
lsCmdPars.Add(currCmdPara);
currCmdPara = new CommandPara();
currCmdPara.isNum = true;
currCmdPara.paraName = "TimeOut";
currCmdPara.paraValue = "30";
lsCmdPars.Add(currCmdPara);
string strTermAddr = GetStrFromHex(bFrame[8]) + GetStrFromHex(bFrame[7]) + GetStrFromHex(bFrame[10]) + GetStrFromHex(bFrame[9]);
string strCTIOTID = "";
string strDeviceID = GlbData.GetDeviceID(strTermAddr, ref strCTIOTID);
if (strDeviceID == "")
{
return;
}
if (strCTIOTID == "")
{
return;
}
if (GlbData.CTIOTAppParaList.Contains(strCTIOTID))
{
CTIOT_APP_PARA ctiot_app_para = (CTIOT_APP_PARA)(GlbData.CTIOTAppParaList[strCTIOTID]);
if (ctiot_app_para != null)
{
NASDK currsdk = new NASDK(ctiot_app_para.SVR_IP, ctiot_app_para.SVR_PORT, ctiot_app_para.APP_ID, ctiot_app_para.APP_PWD,
ctiot_app_para.CERT_FILE, ctiot_app_para.CERT_PWD);
string strToken = ctiot_app_para.TOKEN;
DateTime dtLastgetTokenTime;
try
{
dtLastgetTokenTime = DateTime.Parse(ctiot_app_para.LAST_GETTOKEN_TIME);
}
catch
{
dtLastgetTokenTime = new DateTime(2000, 1, 1);
}
DateTime dtNow = DateTime.Now;
if (strToken == "" || (dtLastgetTokenTime < dtNow.AddMinutes(-30)))
{
TokenResult tr = currsdk.getToken();
if (tr == null)
{
return;
}
strToken = tr.accessToken.Trim();
string strLastgetTokenTime = dtNow.ToString("yyyy-MM-dd HH:mm:ss");
//存储
string strSQL = "update CT_IOT_APP_PARA set TOKEN='{0}',LAST_GETTOKEN_TIME='{1}' where ID=" + strCTIOTID;
strSQL = string.Format(strSQL, strToken, strLastgetTokenTime);
if (GlbData.DBConn.ExeSQL(strSQL))
{
ctiot_app_para.TOKEN = strToken;
ctiot_app_para.LAST_GETTOKEN_TIME = strLastgetTokenTime;
GlbData.CTIOTAppParaList[strCTIOTID] = ctiot_app_para;
}
}
string result = currsdk.sendCommand(strToken, strDeviceID, ctiot_app_para.CALLBACKURL, "CmdService", "Cmd_Down", lsCmdPars);
if (result == null)
{
return;
}
}
}
else
{
return;
}
}
else
{
//主站对设备请求的响应
}
}
return;
}
void HandlePostData(string strData, HttpListenerContext ctx)
{
byte[] bFrame = new byte[20];
int iDataLen = 20;
string strConcenAddr = "";
string strDeviceID = "";
if ((strData.IndexOf("Reportframe") != -1 && strData.IndexOf("deviceDataChanged") != -1) ||
(strData.ToUpper().IndexOf("RESPONSEFRAME") != -1))
{
bool bRestoHttpSvrNBCtrlCmd = false;
if (strData.IndexOf("Reportframe") != -1)
{
DevReportCmd drc = new DevReportCmd();
drc = JsonConvert.DeserializeObject <DevReportCmd>(strData);
if (drc.deviceId != "")
{
if (drc.service.data.Reportframe != null)
{
string strReportFrame = drc.service.data.Reportframe.Trim();
iDataLen = strReportFrame.Length / 2;
bFrame = new byte[iDataLen];
for (int i = 0; i < iDataLen; i++)
{
bFrame[i] = DevTcpClient.GetByteFromstrHex(strReportFrame.Substring(2 * i, 2));
}
strConcenAddr = DevTcpClient.GetStrFromHex(bFrame[8]) + DevTcpClient.GetStrFromHex(bFrame[7]) +
DevTcpClient.GetStrFromHex(bFrame[10]) + DevTcpClient.GetStrFromHex(bFrame[9]);
if ((bFrame[0] == 0x68) && (bFrame[1] == 0x10) && ((bFrame[9] == 0x81) || (bFrame[9] == 0x06)))
{
strConcenAddr = DevTcpClient.GetStrFromHex(bFrame[8]) + DevTcpClient.GetStrFromHex(bFrame[7]) +
DevTcpClient.GetStrFromHex(bFrame[6]) + DevTcpClient.GetStrFromHex(bFrame[5]) + DevTcpClient.GetStrFromHex(bFrame[4]) +
DevTcpClient.GetStrFromHex(bFrame[3]) + DevTcpClient.GetStrFromHex(bFrame[2]);
}
strDeviceID = drc.deviceId.Trim();
}
}
}
else if (strData.ToUpper().IndexOf("RESPONSEFRAME") != -1)
{
DevResponse drp = new DevResponse();
drp = JsonConvert.DeserializeObject <DevResponse>(strData);
if (drp.result.resultDetail.Responseframe != null)
{
string strResponseFrame = drp.result.resultDetail.Responseframe.Trim();
iDataLen = strResponseFrame.Length / 2;
bFrame = new byte[iDataLen];
for (int i = 0; i < iDataLen; i++)
{
bFrame[i] = DevTcpClient.GetByteFromstrHex(strResponseFrame.Substring(2 * i, 2));
}
strConcenAddr = DevTcpClient.GetStrFromHex(bFrame[8]) + DevTcpClient.GetStrFromHex(bFrame[7]) +
DevTcpClient.GetStrFromHex(bFrame[10]) + DevTcpClient.GetStrFromHex(bFrame[9]);
if ((bFrame[0] == 0x68) && (bFrame[1] == 0x10) && ((bFrame[9] == 0x81) || (bFrame[9] == 0x06)))
{
strConcenAddr = DevTcpClient.GetStrFromHex(bFrame[8]) + DevTcpClient.GetStrFromHex(bFrame[7]) +
DevTcpClient.GetStrFromHex(bFrame[6]) + DevTcpClient.GetStrFromHex(bFrame[5]) + DevTcpClient.GetStrFromHex(bFrame[4]) +
DevTcpClient.GetStrFromHex(bFrame[3]) + DevTcpClient.GetStrFromHex(bFrame[2]);
}
strDeviceID = drp.deviceId.Trim();
////////
if (GlbData.NBCtrlCmdList.ContainsKey(strConcenAddr))
{
NBCtrlCmd NCC = (NBCtrlCmd)GlbData.NBCtrlCmdList[strConcenAddr];
NCC.strReturnFrame = strResponseFrame;
GlbData.NBCtrlCmdList[strConcenAddr] = NCC;
bRestoHttpSvrNBCtrlCmd = true;
}
}
}
if (strConcenAddr.Length == 8)
{
DevTcpClient duc;
string strIPPort = GlbData.ServerIPPort;
if (TcpClientList.ContainsKey(strConcenAddr))
{
duc = (DevTcpClient)(TcpClientList[strConcenAddr]);
if (DateTime.Now.Subtract(duc.LastRcvTime) > new TimeSpan(0, 5, 0))
{
duc.iLastSendState = 0;
}
if (duc.iLastSendState == 0)
{
TcpClientList.Remove(strConcenAddr);
duc = new DevTcpClient(strIPPort);
duc.deviceID = strDeviceID;
duc.OpenDevice();
if (!(bFrame.Length == 20 && bFrame[12] == 0x02))
{
byte[] bFrame1 = new byte[20];
bFrame1[0] = 0x68;
bFrame1[1] = 0x32;
bFrame1[2] = 0x00;
bFrame1[3] = 0x32;
bFrame1[4] = 0x00;
bFrame1[5] = 0x68;
bFrame1[6] = 0xC9;
bFrame1[7] = DevTcpClient.GetByteFromstrHex(strConcenAddr.Substring(2, 2));
bFrame1[8] = DevTcpClient.GetByteFromstrHex(strConcenAddr.Substring(0, 2));
bFrame1[9] = DevTcpClient.GetByteFromstrHex(strConcenAddr.Substring(6, 2));
bFrame1[10] = DevTcpClient.GetByteFromstrHex(strConcenAddr.Substring(4, 2));
bFrame1[11] = 0x00;
bFrame1[12] = 0x02;
bFrame1[13] = 0x70;
bFrame1[14] = 0x00;
bFrame1[15] = 0x00;
bFrame1[16] = 0x01;
bFrame1[17] = 0x00;
bFrame1[18] = DevTcpClient.CheckSum(bFrame1, 6, 12);
bFrame1[19] = 0x16;
duc.WriteDevice(bFrame1, 0, 20);
}
if (!TcpClientList.ContainsKey(strConcenAddr))
{
TcpClientList.Add(strConcenAddr, duc);
}
}
else
{
if (duc.deviceID.Trim() != strDeviceID.Trim())
{
duc.deviceID = strDeviceID.Trim();
TcpClientList[strConcenAddr] = duc;
}
}
}
else
{
duc = new DevTcpClient(strIPPort);
duc.deviceID = strDeviceID;
duc.OpenDevice();
Thread.Sleep(500);
if (!(bFrame.Length == 20 && bFrame[12] == 0x02))
{
byte[] bFrame1 = new byte[20];
bFrame1[0] = 0x68;
bFrame1[1] = 0x32;
bFrame1[2] = 0x00;
bFrame1[3] = 0x32;
bFrame1[4] = 0x00;
bFrame1[5] = 0x68;
bFrame1[6] = 0xC9;
bFrame1[7] = DevTcpClient.GetByteFromstrHex(strConcenAddr.Substring(2, 2));
bFrame1[8] = DevTcpClient.GetByteFromstrHex(strConcenAddr.Substring(0, 2));
bFrame1[9] = DevTcpClient.GetByteFromstrHex(strConcenAddr.Substring(6, 2));
bFrame1[10] = DevTcpClient.GetByteFromstrHex(strConcenAddr.Substring(4, 2));
bFrame1[11] = 0x00;
bFrame1[12] = 0x02;
bFrame1[13] = 0x70;
bFrame1[14] = 0x00;
bFrame1[15] = 0x00;
bFrame1[16] = 0x01;
bFrame1[17] = 0x00;
bFrame1[18] = DevTcpClient.CheckSum(bFrame1, 6, 12);
bFrame1[19] = 0x16;
duc.WriteDevice(bFrame1, 0, 20);
}
if (!TcpClientList.ContainsKey(strConcenAddr))
{
TcpClientList.Add(strConcenAddr, duc);
}
}
if (!bRestoHttpSvrNBCtrlCmd)
{
duc.WriteDevice(bFrame, 0, iDataLen);
}
}
else if (strConcenAddr.Length == 14)
{
DevTcpClient duc;
string strIPPort = GlbData.ServerIPPort;
if (TcpClientList.ContainsKey(strConcenAddr))
{
duc = (DevTcpClient)(TcpClientList[strConcenAddr]);
if (duc.iLastSendState == 0)
{
TcpClientList.Remove(strConcenAddr);
duc = new DevTcpClient(strIPPort);
duc.deviceID = strDeviceID;
duc.OpenDevice();
if (!TcpClientList.ContainsKey(strConcenAddr))
{
TcpClientList.Add(strConcenAddr, duc);
}
}
else
{
if (duc.deviceID.Trim() != strDeviceID.Trim())
{
duc.deviceID = strDeviceID.Trim();
TcpClientList[strConcenAddr] = duc;
}
}
}
else
{
duc = new DevTcpClient(strIPPort);
duc.deviceID = strDeviceID;
duc.OpenDevice();
Thread.Sleep(500);
if (!TcpClientList.ContainsKey(strConcenAddr))
{
TcpClientList.Add(strConcenAddr, duc);
}
}
if (!bRestoHttpSvrNBCtrlCmd)
{
duc.WriteDevice(bFrame, 0, iDataLen);
}
}
else
{
}
}
///////////////130协议水表数据上送
else if (strData.IndexOf("DeliverySchedule") != -1 && strData.IndexOf("deviceDatasChanged") != -1)
{
DevReportCmd_Water drc = new DevReportCmd_Water();
drc = JsonConvert.DeserializeObject <DevReportCmd_Water>(strData);
if (drc.deviceId != "")
{
int iIndex = -1;
if (drc.services.Length > 0)
{
for (int i = 0; i < drc.services.Length; i++)
{
if (drc.services[i].serviceType == "DeliverySchedule")
{
iIndex = i;
break;
}
}
}
if (iIndex < 0)
{
return;
}
if (drc.services[iIndex].data != null)
{
string strReportFrame = drc.services[iIndex].data.transpond.Trim();
iDataLen = strReportFrame.Length / 2;
bFrame = new byte[iDataLen];
for (int i = 0; i < iDataLen; i++)
{
bFrame[i] = DevTcpClient.GetByteFromstrHex(strReportFrame.Substring(2 * i, 2));
}
string strAddr = (bFrame[9] + bFrame[10] * 256).ToString().PadLeft(5, '0');
strConcenAddr = DevTcpClient.GetStrFromHex(bFrame[8]) + DevTcpClient.GetStrFromHex(bFrame[7]) + strAddr;
strDeviceID = drc.deviceId.Trim();
}
}
DevTcpClient duc;
string strIPPort = GlbData.ServerIPPort;
if (TcpClientList.ContainsKey(strConcenAddr))
{
duc = (DevTcpClient)(TcpClientList[strConcenAddr]);
if (DateTime.Now.Subtract(duc.LastSendTime) > new TimeSpan(0, 5, 0))
{
TcpClientList.Remove(strConcenAddr);
duc = new DevTcpClient(strIPPort);
duc.deviceID = strDeviceID;
duc.OpenDevice();
Thread.Sleep(500);
if (!TcpClientList.ContainsKey(strConcenAddr))
{
TcpClientList.Add(strConcenAddr, duc);
}
}
else
{
if (duc.deviceID.Trim() != strDeviceID.Trim())
{
duc.deviceID = strDeviceID.Trim();
TcpClientList[strConcenAddr] = duc;
}
}
//if (duc.iLastSendState == 0)
//{
// TcpClientList.Remove(strConcenAddr);
// duc = new DevTcpClient(strIPPort);
// duc.deviceID = strDeviceID;
// duc.OpenDevice();
// TcpClientList.Add(strConcenAddr, duc);
//}
//else
//{
// if (duc.deviceID.Trim() != strDeviceID.Trim())
// {
// duc.deviceID = strDeviceID.Trim();
// TcpClientList[strConcenAddr] = duc;
// }
//}
duc.WriteDevice(bFrame, 0, iDataLen);
}
else
{
duc = new DevTcpClient(strIPPort);
duc.deviceID = strDeviceID;
duc.OpenDevice();
Thread.Sleep(500);
if (!TcpClientList.ContainsKey(strConcenAddr))
{
TcpClientList.Add(strConcenAddr, duc);
}
duc.WriteDevice(bFrame, 0, iDataLen);
}
}
else if (strData.IndexOf("NBConcenAddr") != -1)
{
string[] strs = strData.Split(',');
string[] strs1 = strs[0].Split(':');
string[] strs2 = strs[1].Split(':');
string strTermAddr = strs1[1];
string strCmdFrame = strs2[1];
//主站主动下发
List <CommandPara> lsCmdPars = new List <CommandPara>();
CommandPara currCmdPara = new CommandPara();
currCmdPara.isNum = false;
currCmdPara.paraName = "CmdFrame";
currCmdPara.paraValue = strCmdFrame;
lsCmdPars.Add(currCmdPara);
currCmdPara = new CommandPara();
currCmdPara.isNum = true;
currCmdPara.paraName = "TimeOut";
currCmdPara.paraValue = "30";
lsCmdPars.Add(currCmdPara);
string strCTIOTID = "";
string strDeviceID1 = GlbData.GetDeviceID(strTermAddr, ref strCTIOTID);
if (strDeviceID1 == "")
{
return;
}
if (strCTIOTID == "")
{
return;
}
if (GlbData.CTIOTAppParaList.Contains(strCTIOTID))
{
CTIOT_APP_PARA ctiot_app_para = (CTIOT_APP_PARA)(GlbData.CTIOTAppParaList[strCTIOTID]);
if (ctiot_app_para != null)
{
NASDK currsdk = new NASDK(ctiot_app_para.SVR_IP, ctiot_app_para.SVR_PORT, ctiot_app_para.APP_ID, ctiot_app_para.APP_PWD,
ctiot_app_para.CERT_FILE, ctiot_app_para.CERT_PWD);
string strToken = ctiot_app_para.TOKEN;
DateTime dtLastgetTokenTime;
try
{
dtLastgetTokenTime = DateTime.Parse(ctiot_app_para.LAST_GETTOKEN_TIME);
}
catch
{
dtLastgetTokenTime = new DateTime(2000, 1, 1);
}
DateTime dtNow = DateTime.Now;
if (strToken == "" || (dtLastgetTokenTime < dtNow.AddMinutes(-30)))
{
TokenResult tr = currsdk.getToken();
if (tr == null)
{
return;
}
strToken = tr.accessToken.Trim();
string strLastgetTokenTime = dtNow.ToString("yyyy-MM-dd HH:mm:ss");
//存储
string strSQL = "update CT_IOT_APP_PARA set TOKEN='{0}',LAST_GETTOKEN_TIME='{1}' where ID=" + strCTIOTID;
strSQL = string.Format(strSQL, strToken, strLastgetTokenTime);
if (GlbData.DBConn.ExeSQL(strSQL))
{
ctiot_app_para.TOKEN = strToken;
ctiot_app_para.LAST_GETTOKEN_TIME = strLastgetTokenTime;
GlbData.CTIOTAppParaList[strCTIOTID] = ctiot_app_para;
}
}
string result = currsdk.sendCommand(strToken, strDeviceID1, ctiot_app_para.CALLBACKURL, "CmdService", "Cmd_Down", lsCmdPars);
NBCtrlCmdSendResult NCCSR = new NBCtrlCmdSendResult();
NCCSR.NBConcenAddr = strTermAddr;
if (result == null)
{
NCCSR.SendTime = "";
}
else
{
NBCtrlCmd NCC = new NBCtrlCmd();
NCC.NBConcenAddr = strTermAddr;
NCC.SendTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
NCC.strReturnFrame = "";
if (!GlbData.NBCtrlCmdList.ContainsKey(strTermAddr))
{
GlbData.NBCtrlCmdList.Add(strTermAddr, NCC);
}
else
{
GlbData.NBCtrlCmdList[strTermAddr] = NCC;
}
TimeSpan outTimeSpan = new TimeSpan(0, 1, 0); //超时时间60秒
NCC = (NBCtrlCmd)GlbData.NBCtrlCmdList[strTermAddr];
NCCSR.NBConcenAddr = strTermAddr;
NCCSR.SendTime = NCC.SendTime;
while (NCC.strReturnFrame == "")
{
if ((DateTime.Now - DateTime.Parse(NCC.SendTime)) > outTimeSpan)
{
//返回超时
NCCSR.strReturnFrame = "";
break;
}
}
if (NCC.strReturnFrame != "")
{
NCCSR.strReturnFrame = NCC.strReturnFrame;
}
}
string strResult = JsonConvert.SerializeObject(NCCSR); //将消息转成jason格式返回
GlbData.NBCtrlCmdList.Remove(strTermAddr);
byte[] buffer = System.Text.Encoding.UTF8.GetBytes(strResult);
//对客户端输出相应信息.
try
{
ctx.Response.ContentLength64 = buffer.Length;
System.IO.Stream output = ctx.Response.OutputStream;
output.Write(buffer, 0, buffer.Length); //关闭输出流，释放相应资源
output.Close();
}
catch
{ }
}
}
else
{
return;
}
}
}