/// <summary>
/// MD5签名
/// </summary>
/// <param name="content"></param>
/// <param name="key"></param>
/// <returns></returns>
public static String MD5Sign(String content, String key)
{
String signStr = "";
if ("" == key)
{
throw new Exception("财付通签名key不能为空！");
}
if ("" == content)
{
throw new Exception("财付通签名内容不能为空");
}
signStr = content + "&key=" + key;
return(MD5Util.GetMD5(signStr).ToUpper());
}
/// <summary>
/// 放重发 (生成32位随机串)
/// </summary>
/// <returns></returns>
public static string CreateNoncestr()
{
return(MD5Util.GetMD5(new Random().Next(1000).ToString(), "utf-8"));
}