//覆寫OnMessage事件，前端send時觸發，被觸發後會回頭觸發前端的onmessage事件
public override void OnMessage(string message)
{
//將訊息的相關資訊製成Json檔後傳出
_chatRooms[_roomKey].Broadcast(
JsonConvert.SerializeObject(new {
Message = message,
Time = DateTime.Now.ToString("MM/dd hh:mm"),
UserID = _userID,
UserName = _userName
})
);
//將此訊息儲存至訊息列表
Message m = new Message
{
TeamID = _teamID,
MessageDate = DateTime.Now,
Speaker = _userID,
IsPrivate = _isPrivate,
Content = message.Length > 300 ? message.Substring(0, 300) : message
};
var db = new TGISDBEntities();
db.Messages.Add(m);
db.SaveChanges();
}
