/// <summary>
/// 获取paySign 签名
/// </summary>
/// <param name="key">key 秘钥的字符名称 就是叫 key</param>
/// <param name="value">秘钥</param>
/// <returns></returns>
public virtual string CreateMd5Sign(string key, string value)
{
var sb = new StringBuilder();
var akeys = new ArrayList(parameters.Keys);
akeys.Sort();
foreach (string k in akeys)
{
var 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 + "=" + value);
//return sb.ToString();
string sign = MD5Util.GetMD5(sb.ToString(), getCharset()).ToUpper();
return(sign);
}
/// <summary>
/// 随机字符串
/// </summary>
/// <returns></returns>
public static string getNoncestr()
{
Random random = new Random();
return(MD5Util.GetMD5(random.Next(1000).ToString(), "GBK"));
}