Create app.py

app.py

@@ -0,0 +1,47 @@
+
+```python
+import streamlit as st
+import os
+import runpy
+
+# 从环境变量获取 token
+token = os.getenv('token')
+weather_token = os.getenv('weather_token')
+
+st.set_page_config(layout="wide", page_title="My Multi-Page App")
+
+def set_env_variable(key, value):
+    os.environ[key] = value
+
+def home_page():
+    st.header("欢迎来到首页")
+    # 检查环境变量是否已存在
+    global token, weather_token
+    if not token:
+        token = st.text_input("请输入浦语 token:", type="password", key="token")
+    if not weather_token:
+        weather_token = st.text_input("请输入和风天气 token:", type="password", key="weather_token")
+    
+    if st.button("保存并体验 agent"):
+        if token and weather_token:
+            set_env_variable("token", token)  # 设置环境变量
+            set_env_variable("weather_token", weather_token)
+            st.session_state.token_entered = True
+            st.rerun()
+        else:
+            st.error("请输入所有 token")
+
+# 检查会话状态
+if 'token_entered' not in st.session_state:
+    # 如果 token 存在于环境变量中，直接跳过输入
+    st.session_state.token_entered = bool(token and weather_token)
+
+if not st.session_state.token_entered:
+    home_page()
+else:
+    # 动态加载子页面
+    page = st.sidebar.radio("选择页面", ["天气查询助手", "博客写作助手"])
+    if page == "天气查询助手":
+        runpy.run_path("examples/agent_api_web_demo.py", run_name="__main__")
+    elif page == "博客写作助手":
+        runpy.run_path("examples/multi_agents_api_web_demo.py", run_name="__main__")