app.py

import gradio as gr
import os
import requests
import json

headers = {'content-type': 'application/json'}

def ask_question(message, chat_history):
    chat_history = chat_history + [[message, ""]]
    payload = {'history': chat_history}
    url = os.environ.get('CHAT_URL')
    try:
        response = requests.post(url, headers=headers, data=json.dumps(payload))
        chat_history[-1][1] = response.json()['ai_response']
    except:
        chat_history[-1][1] = "很抱歉,我暂时没法回答这个问题"
        
    return chat_history

with gr.Blocks() as demo:
    chatbot = gr.Chatbot(show_label = False, show_share_button = False)
    msg = gr.Textbox(placeholder="请在这里输入谈话内容，然后按回车键或下面的发送键", show_label = False)

    def respond(message, chat_history):
        chat_history = ask_question(message, chat_history)
        return "", chat_history

    msg.submit(respond, [msg, chatbot], [msg, chatbot])

    with gr.Row():
        send = gr.Button(value="发送", show_share_button = False)
        send.click(respond, [msg, chatbot], [msg, chatbot])
        clear = gr.ClearButton([msg, chatbot], value="清除聊天内容")

demo.launch()