public static string sPostUrl = "http://www.fandian99.com/PrintInterface/API/response";//pos地址
public Boolean Login(string _userid, string _password)
{
TransFormat objformat;
//构建poscontent
Hashtable ht = new Hashtable();
ht.Add("user", _userid);
ht.Add("password", _password);
ht.Add("action", "check");
ht.Add("module", "login");
Des coder = new Des();
//时间戳
long myTS = 0L;
//加密
string connentEnCode = coder.EnCode(HashtableToJson(ht), out myTS);
objformat.TS = myTS + "";
objformat.PostContent = connentEnCode;
objformat.Post_extra = "";
string sRequesturl = PBuildRequestpara(objformat);
//pos数据
Retry:
HttpWebRequest request = (HttpWebRequest)WebRequest.CreateDefault(
new Uri(sPostUrl));
request.UserAgent = "fandian99 print tools";//协议标头
request.Timeout = 5000;
byte[] readbytes = Encoding.ASCII.GetBytes(sRequesturl);
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = readbytes.Length;
string responseData = "";
try
{
using (Stream reqStream = request.GetRequestStream())
{
reqStream.Write(readbytes, 0, readbytes.Length);
reqStream.Close();
}
DataSet ds = new DataSet();
string token, iID, iLoginID;
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
{
responseData = reader.ReadToEnd().ToString();
//处理函数
//去除unicode字符
Byte[] bys = Encoding.UTF8.GetBytes(responseData);
Encoding ed = new UTF8Encoding(false);
Byte[] bys2 = Encoding.Convert(Encoding.UTF8, ed, bys);
string str = ed.GetString(bys2);
using (StringReader xmlSR = new StringReader(str))
{
ds.ReadXml(xmlSR, XmlReadMode.InferTypedSchema);
if (ds.Tables.Count > 0)
{
if (ds != null && ds.Tables.Count > 0 && ds.Tables[0].Rows.Count > 0)
{
token = ds.Tables[0].Rows[0]["TOKEN"].ToString();
//用户ID
iID = ds.Tables[0].Rows[0]["userID"].ToString();
//收款员ID/登录人ID
iLoginID = ds.Tables[0].Rows[0]["LoginID"].ToString();
return(true);
}
}
}
}
}
}
catch (Exception ex)
{
if (System.Windows.Forms.MessageBox.Show("连接服务器失败,是否重试", "消息", System.Windows.Forms.MessageBoxButtons.RetryCancel) == System.Windows.Forms.DialogResult.Retry)
{
goto Retry;
}
}
finally
{
}
return(false);
}