public static string getHttp(IDictionary <string, string> parameters, Encoding charset)
{
string retString = null;
Hashtable ht = new Hashtable();
foreach (string key in parameters.Keys)
{
if (!key.Equals("orderText"))
{
ht.Add(key.ToLower(), parameters[key]);
}
}
string mac = EncryptionMD5.MD5(ht, SysConfigHelper.readerNode("macKey"));
if (!parameters.ContainsKey("mac"))
{
parameters.Add("mac".ToLower(), mac);
}
else
{
parameters["mac"] = mac;
}
string url = SysConfigHelper.readerNode("mechineSign");
url = url + "?";
StringBuilder buffer = new StringBuilder();
//如果需要POST数据
if (!(parameters == null || parameters.Count == 0))
{
int i = 0;
foreach (string key in parameters.Keys)
{
if (i > 0)
{
buffer.AppendFormat("&{0}={1}", key, parameters[key]);
}
else
{
buffer.AppendFormat("{0}={1}", key, parameters[key]);
}
i++;
}
}
retString = getHttp2(url, buffer.ToString(), charset);
return(retString);
}