/// <summary>
/// 是否威富通签名,规则是:按参数名称a-z排序,遇到空值的参数不参加签名。
/// </summary>
/// <param name="akeys"></param>
/// <returns></returns>
public virtual Boolean _isTenpaySign(ArrayList akeys)
{
StringBuilder sb = new StringBuilder();
foreach (string k in akeys)
{
string v = (string)parameters[k];
if (null != v && "".CompareTo(v) != 0 &&
"sign".CompareTo(k) != 0 && "key".CompareTo(k) != 0)
{
sb.Append(k + "=" + v + "&");
}
}
sb.Append("key=" + this.getKey());
string sign = MD5Util.GetMD5(sb.ToString(), getCharset()).ToLower();
//debug信息
this.setDebugInfo(sb.ToString() + " => sign:" + sign);
return(getParameter("sign").ToLower().Equals(sign));
}