import os import gradio as gr from openai import OpenAI client = OpenAI( api_key=os.getenv("OPENAI_API_KEY","sk-"), base_url=os.getenv("OPENAI_BASE_URL", "https://dashscope.aliyuncs.com/compatible-mode/v1"), ) MODEL_NAME = os.getenv("MODEL_NAME", "qwen-plus") SYSTEM_PROMPT = "你是一个友好、专业、谨慎的中文智能助手。" def chat_stream(message, history): messages = [{"role": "system", "content": SYSTEM_PROMPT}] for item in history: if item.get("role") in ["user", "assistant"]: messages.append(item) messages.append({"role": "user", "content": message}) stream = client.chat.completions.create( model=MODEL_NAME, messages=messages, stream=True, temperature=0.7, ) for chunk in stream: delta = chunk.choices[0].delta.content or "" partial += delta yield partial demo = gr.ChatInterface( fn=chat_stream, title="AI智能助手", description="基于Gradio", ) if __name__ == "__main__": demo.launch(server_name="0.0.0.0", server_port=7860)
gr.ChatInterface 本质上是一个高级封装组件，它帮你自动完成了：聊天界面（前端 UI）。自动生成：对话气泡（用户 / AI），输入框，发送按钮，滚动聊天记录，不需要写 HTML / CSS / JS。
