Microsoft bot 服务在本地工作得非常好，但在网络聊天频道中却不行

Question

在本地机器人中工作正常，但在网络聊天频道“向您的机器人发送此消息时出错：HTTP 状态代码网关超时”发生错误，但机器人在第二次响应后正常运行

控制器代码

public async Task<HttpResponseMessage> Post([FromBody]Activity activity)
    {

        if (activity.Type == ActivityTypes.Message)
        {
            await Conversation.SendAsync(activity, () => new EchoDialog());
        }
         else if (message.Type == ActivityTypes.ConversationUpdate)
        {
            // Handle conversation state changes, like members being added and removed
            // Use Activity.MembersAdded and Activity.MembersRemoved and Activity.Action for info
            // Not available in all channels
            IConversationUpdateActivity iConversationUpdated = message as IConversationUpdateActivity;
            if (iConversationUpdated != null)
            {
                ConnectorClient connector = new ConnectorClient(new System.Uri(message.ServiceUrl));
                foreach (var member in iConversationUpdated.MembersAdded ?? System.Array.Empty<ChannelAccount>())
                {
                    // if the bot is added, then   
                    if (member.Id == iConversationUpdated.Recipient.Id)
                    {
                        var reply = ((Activity)iConversationUpdated).CreateReply("Hi, Welcome to Systenics.");
                        await connector.Conversations.ReplyToActivityAsync(reply);
                        await Conversation.SendAsync(message, () => new EchoDialog());
                    }
                }
            }


        }
        else
        {
           await HandleSystemMessage(activity);
        }
        var response = Request.CreateResponse(HttpStatusCode.OK);
        return response;
    }

聊天对话框

public async Task StartAsync(IDialogContext context)
    {
        context.Wait(this.ShowOptions);
    }
    public virtual async Task ShowOptions(IDialogContext context, IAwaitable<IMessageActivity> activity)
    {
        var message = await activity;
        var descriptions = new string[] { "Request a Quote", "More Information About Jobs" };
        PromptDialog.Choice(
            context: context,
            resume: ChoiceReceivedAsync,
            options: descriptions,
            prompt: "Please select an option below:",
            retry: "Selected option not available.",
            promptStyle: PromptStyle.Auto
            );
    }

Answer 1

您似乎想捕获ConversationUpdate 活动并创建并发送假消息来初始化对话框，以便通过PromptDialog.Choice() 方法提示一组选项中的一个。我建议你可以在发送之前指定activity的Text属性来初始化对话框，然后你可以通过查看对话框中的消息activityText属性来做不同的操作。

根据您的场景，我创建了以下示例代码，适用于网络聊天，您可以参考。

在 MessagesController 中：

else if (activity.Type == ActivityTypes.ConversationUpdate)
{
    // Handle conversation state changes, like members being added and removed
    // Use Activity.MembersAdded and Activity.MembersRemoved and Activity.Action for info
    // Not available in all channels

    IConversationUpdateActivity iConversationUpdated = activity as IConversationUpdateActivity;
    if (iConversationUpdated != null)
    {
        ConnectorClient connector = new ConnectorClient(new System.Uri(activity.ServiceUrl));
        foreach (var member in iConversationUpdated.MembersAdded ?? System.Array.Empty<ChannelAccount>())
        {
            // if the bot is added, then   
            if (member.Id == iConversationUpdated.Recipient.Id)
            {
                var reply = ((Activity)iConversationUpdated).CreateReply("Hi, Welcome to Systenics.");
                await connector.Conversations.ReplyToActivityAsync(reply);

                //set value to Text property
                activity.Text = "show choices";
                await Conversation.SendAsync(activity, () => new EchoDialog());
            }
        }
    }

}

在对话框中：

public async Task StartAsync(IDialogContext context)
{
    context.Wait(MessageReceivedAsync);
}


public async Task MessageReceivedAsync(IDialogContext context, IAwaitable<IMessageActivity> result)
{
    var activity = await result as Activity;

    var mes = activity.Text?.ToString();

    if (mes == "show choices")
    {
        var descriptions = new string[] { "Request a Quote", "More Information About Jobs" };
        PromptDialog.Choice(
            context: context,
            resume: ChoiceReceivedAsync,
            options: descriptions,
            prompt: "Please select an option below:",
            retry: "Selected option not available.",
            promptStyle: PromptStyle.Auto
            );
    }
    else
    {
        if (mes == "More Information About Jobs")
        {
            var replymes = context.MakeMessage();
            replymes.Text = "Click on this link to know more about jobs [https//www.abc.com](https//www.abc.com)";

            await context.PostAsync(replymes);
        }
        else if (mes == "Request a Quote")
        {
            //your code logic here
        }
        else
        {
            await context.PostAsync($"You sent {activity.Text}");
        }


        context.Wait(MessageReceivedAsync);
    }
}

测试结果：