private static void RecordUserAgent(object agent0)
{
String agent = agent0 as String;
UserAgent.AddIteam(agent, ""); // 记录UserAgent信息
//String agent = agent0 as String;
//if (agent != null && !agent.Equals(""))
//{
// string agentKey = "\"信息\":\"" + agent + "\"";
// string md5 = MD5.Encrypt(agent); // 计算md5值
// string md5Key = "\"标签\":\"" + md5 + "\"";
// string value = WebInfo.Get("HttpUserAgent", md5); // 查询已保存的值
// //[{"日期":"2018-10-30_20:00:47_407124","标签":"9d6e5576531c38953e05804e13fa8e74","信息":"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36"},{"日期":"2018-10-30_20:01:31_604507","标签":"9d6e5576531c38953e05804e13fa8e74","信息":"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36"}]
// if (!value.Contains(md5Key)) WebInfo.Set(UserAgentTable, md5, agent); // 若不存在，则添加
// else if (!value.Contains(agentKey)) WebInfo.Update(UserAgentTable, md5, agent); // 修改已保存的数据
//}
}