/// <summary>
/// 创建package签名，按参数名称a-z排序,遇到空值的参数不参加签名。
/// </summary>
/// <returns></returns>
public string CreateMd5Sign()
{
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 && String.Compare("", v, StringComparison.Ordinal) != 0 &&
String.Compare("sign", k, StringComparison.Ordinal) != 0 && String.Compare("key", k, StringComparison.Ordinal) != 0)
{
sb.Append(k + "=" + v + "&");
}
}
sb.Append("key=" + GetKey());
var sign = MD5Util.GetMD5(sb.ToString(), GetCharset()).ToUpper();
return(sign);
}
public static string GetNoncestr()
{
var random = new Random();
return(MD5Util.GetMD5(random.Next(1000).ToString(CultureInfo.InvariantCulture), "GBK"));
}