/// <summary>
/// all StringField will be signed and will add timespan,appid,appsecret; appid、appsecret from web.config or app.config
/// </summary>
/// <param name="para"></param>
/// <returns></returns>
public static void DefaultSignProvider(List <ParmField> para)
{
if (para == null)
{
para = new List <ParmField>();
}
para.Add(new StringField("timespan", Authcomm.GetTimeSpan()));
para.Add(new StringField("appid", Authcomm.GetAppConfig("appid")));
string appsecret = Authcomm.GetAppConfig("appsecret");
StringBuilder sb = new StringBuilder();
foreach (ParmField f in para)
{
if (string.IsNullOrEmpty(f.Value))
{
continue;
}
if (f.GetType() == typeof(StringField))
{
sb.Append(f.Key.Trim() + "=" + f.Value.Trim() + "&");
}
}
sb.Append("appsecret=" + appsecret);
string sign = Authcomm.ToMD5String(sb.ToString());
para.Add(new StringField("sign", sign));
}
