Streamlit?? ??? ? ??? ?? ?? ??? ??????? ???? ?? ??? ?????. ? ??????? ??? ??? ??? ??? ?? ??? , ? st.navigation ???? ???? Streamlit? st.page_link??? ??st.switch_page? ?????.

?? ??? ??????? ???? ??? ??????

Streamlit? ?? ?? ??? ?????? ?????? ???? ?????. ??? ????? Streamlit ?? ?? ??? ??????? ???? ??? ??????. ??? ??? ??? ????? ?? ? ??????? ?? ??? ?? ??? ??? ?????.

???? ?? ??

? ?????? ???? ??? ?? ????? ????.

<code>project/
│
├── app.py  # 主應(yīng)用程序文件
├── app_pages/
│   ├── intro.py
│   ├── navigation_intro.py
│   ├── page_link_demo.py
│   ├── switch_page_demo.py
</code>

app_pages????? ? ??? ??????? ?? ???? ?????.

?? ??: app.py

app.py?? ???? ???? ??? ???????. ? ??? st.navigation? ???? ?? ??? ?????.

# app.py
import streamlit as st

# 頁面導(dǎo)航
pages = [
    st.Page("app_pages/intro.py", title="簡介", icon="?"),
    st.Page("app_pages/navigation_intro.py", title="st.navigation", icon="?"),
    st.Page("app_pages/page_link_demo.py", title="st.page_link", icon="?"),
    st.Page("app_pages/switch_page_demo.py", title="st.switch_page", icon="?"),
]

# 將頁面添加到側(cè)邊欄導(dǎo)航
pg = st.navigation(pages, position="sidebar", expanded=True)

# 運(yùn)行應(yīng)用程序
pg.run()

? ??? ???? ???? ??? ???? ???? ??? ???? ?? ???? ?????.

1???: ??

intro.py ??? ????? ?????.

# app_pages/intro.py
import streamlit as st

def intro():
    st.title("Streamlit 頁面導(dǎo)航教程")
    st.write("歡迎來到本Streamlit頁面導(dǎo)航教程！")
    st.write("使用側(cè)邊欄在不同頁面之間導(dǎo)航。")

if __name__ == "__page__":
    intro()

???? ? ???? ???? ?????? ??? ?? ??? ?? ??? ?????.

2???: st.navigation? ?? ????

navigation_intro.py ???? st.navigation ???? ???? ????.

# app_pages/navigation_intro.py
import streamlit as st

def navigation_intro():
    st.title("st.navigation簡介")
    st.write("`st.navigation`函數(shù)配置多頁面Streamlit應(yīng)用程序。")
    st.code("""
pages = [
    st.Page("app_pages/intro.py", title="簡介", icon="?"),
    st.Page("app_pages/page1.py", title="頁面1", icon="1??"),
    st.Page("app_pages/page2.py", title="頁面2", icon="2??"),
]

pg = st.navigation(pages)
pg.run()
    """, language="python")
    st.write("這將創(chuàng)建一個(gè)側(cè)邊欄菜單，其中包含`pages`列表中指定的頁面。")

if __name__ == "__page__":
    navigation_intro()

??? 3: st.page_link ??

page_link_demo.py ??? ?? ???? ?? ??? ?? ??? ?????.

# app_pages/page_link_demo.py
import streamlit as st

def page_link():
    st.title("使用st.page_link")
    st.page_link("app_pages/intro.py", label="跳轉(zhuǎn)到簡介", icon="?")
    st.page_link("app_pages/page_link_demo.py", label="刷新本頁", icon="?")
    st.page_link("https://www.streamlit.io/", label="訪問Streamlit", icon="?")

if __name__ == "__page__":
    page_link()

? ??? ???? ???? ?????? ??? ????? ?? ???? ??? ? ????.

??? 4: st.switch_page? ??? ????? ?? ??

switch_page_demo.py????? ???? ???? ???? ??? ???? ?????.

# app_pages/switch_page_demo.py
import streamlit as st

def switch_page():
    st.title("使用st.switch_page")
    st.write("`st.switch_page`允許您以編程方式切換頁面。")
    st.code("""
if st.button("跳轉(zhuǎn)到簡介"):
    st.switch_page("app_pages/intro.py")
    """, language="python")
    if st.button("跳轉(zhuǎn)到簡介"):
        st.switch_page("app_pages/intro.py")

if __name__ == "__page__":
    switch_page()

? ??? ?????? ??? ???? ???? ???? ???? ??? ??? ? ????? ??? ? ????.

??

Streamlit? ?? ??? ???? ??? ???? ?? ??? ??????? ?? ??? ? ????. st.navigation, st.page_link, st.switch_page? ???? ????? ??? ?? ??? ?? ? ????.

?? ??: GitHub - jamesbmour/blog_tutorials
??? Streamlit ????: JustCodeIt
?? ??? ?????: ?? ????

? ??? ???? ?? ??? ?? ???? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!