Line bot 群組對談範例程式碼

LineBotGroupController.cs

try
{
    //取得 http Post RawData(should be JSON)
    string postData = Request.Content.ReadAsStringAsync().Result;
    //剖析JSON
    var ReceivedMessage = isRock.LineBot.Utility.Parsing(postData);
    var item = ReceivedMessage.events.FirstOrDefault();
    string Message = "";

    switch (item.type)
    {
        case "join":
            Message = $"有人把我加入{item.source.type}中了，大家好啊~";
                      
            //回覆用戶
            isRock.LineBot.Utility.ReplyMessage(ReceivedMessage.events[0].replyToken, Message, ChannelAccessToken);
            break;
        case "message":
            if (item.message.text == "bye")
            {
                //回覆用戶
                isRock.LineBot.Utility.ReplyMessage(item.replyToken, "bye-bye", ChannelAccessToken);
                //離開
                if (item.source.type.ToLower() == "room")
                    isRock.LineBot.Utility.LeaveRoom(item.source.roomId, ChannelAccessToken);
                if (item.source.type.ToLower() == "group")
                    isRock.LineBot.Utility.LeaveGroup(item.source.roomId, ChannelAccessToken);

                break;
            }
            Message = "你說了:" + ReceivedMessage.events[0].message.text;
            //取得用戶名稱 
            LineUserInfo UserInfo = null;
            if (item.source.type.ToLower() == "room")
                UserInfo = isRock.LineBot.Utility.GetRoomMemberProfile(
                    item.source.roomId, item.source.userId, ChannelAccessToken);
            if (item.source.type.ToLower() == "group")
                UserInfo = isRock.LineBot.Utility.GetGroupMemberProfile(
                    item.source.groupId, item.source.userId, ChannelAccessToken);
            //顯示用戶名稱
            if (item.source.type.ToLower() != "user")
                Message += "\n你是:" + UserInfo.displayName;

            //回覆用戶
            isRock.LineBot.Utility.ReplyMessage(item.replyToken, Message, ChannelAccessToken);
            break;
        default:
            break;
    }
    //回覆API OK
    return Ok();
}
catch (Exception ex)
{
    //todo:請自行處理exception
    return Ok();
}