public static string MakeSign(string timer)
{
var str = "";
str = $"{timer}{key}";
var res = MD5Helper.GetMD5(str);
return(res.ToLower());
}
public static string MakeSign(Dictionary <string, string> post)
{
var str = "";
var keys = post.Keys.ToList();
keys.Sort(string.CompareOrdinal);
foreach (var k in keys)
{
if (k != "sign" && k != "attach")
{
str += $"{k}={post[k]}&";
}
}
str += "key=" + key;
var res = MD5Helper.GetMD5(str);
return(res);
}