Create app.py

app.py

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+import gradio as gr
+import requests
+import os
+
+# 假设 DeepSeek-R1 的 API URL 和 API Key
+DEEPSEEK_API_URL = os.getenv("DEEPSEEK_API_URL", "https://api.deepseek.com/v1/chat")
+DEEPSEEK_API_KEY = os.getenv("DEEPSEEK_API_KEY")
+
+# 定义对话函数
+def answer(question, history):
+    if history is None:
+        history = []
+
+    # 组装对话历史
+    messages = [{"role": "system", "content": "你是一个中国厨师，用中文回答做菜的问题。"}]
+
+    for item in history:
+        messages.append({"role": item["role"], "content": item["content"]})
+
+    messages.append({"role": "user", "content": question})
+
+    # 调用 DeepSeek-R1 API
+    response = requests.post(
+        DEEPSEEK_API_URL,
+        json={"messages": messages},
+        headers={"Authorization": f"Bearer {DEEPSEEK_API_KEY}"}
+    )
+
+    response_data = response.json()
+    bot_response = response_data.get("choices")[0]["message"]["content"]
+
+    # 更新历史记录
+    history.append({"role": "user", "content": question})
+    history.append({"role": "assistant", "content": bot_response})
+
+    return history, history
+
+
+# 创建 Gradio 界面
+with gr.Blocks(css="""
+    #chatbot {
+        height: 400px;
+        background-color: #f7f7f7;
+        border-radius: 10px;
+        padding: 20px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+    }
+    .gradio-container {
+        background-color: #212121;
+        border-radius: 20px;
+        padding: 40px;
+    }
+    .gr-button {
+        background-color: #4CAF50;
+        color: white;
+        border-radius: 10px;
+        padding: 10px 20px;
+        border: none;
+        font-weight: bold;
+    }
+    .gr-button:hover {
+        background-color: #45a049;
+    }
+    .gr-chatbot {
+        font-family: 'Arial', sans-serif;
+    }
+    .chatbot-message {
+        margin: 10px;
+        padding: 10px;
+        border-radius: 15px;
+        background-color: #e1f5fe;
+    }
+    .user-message {
+        background-color: #a5d6a7;
+        color: #ffffff;
+    }
+    .assistant-message {
+        background-color: #e3f2fd;
+        color: #000000;
+    }
+    input[type="text"] {
+        font-size: 16px;
+        border-radius: 10px;
+        padding: 10px;
+        width: 100%;
+    }
+    .gradio-container .gr-chatbot .overflow-y-auto {
+        max-height: 500px;
+    }
+""") as demo:
+    chatbot = gr.Chatbot(elem_id="chatbot", type="messages")  # 使用 Gradio 的聊天组件
+    state = gr.State([])
+
+    with gr.Row():
+        txt = gr.Textbox(placeholder="请输入您的问题，并按回车发送", lines=1)
+
+    txt.submit(answer, [txt, state], [chatbot, state])
+
+demo.launch()