python之streamlit中button按钮的状态管理

# Setup

import streamlit as st

st.set_page_config(page_title="知识库")

with st.sidebar:

    st.subheader("系统功能导航", divider="rainbow")

    #新建工作区的button

    if 'button_new' not in st.session_state:

        st.session_state.button_new = False

    def click_button_new():

        st.session_state.button_new = not st.session_state.button_new

    st.button('新建工作区', on_click=click_button_new,key="button_new_workarea",use_container_width=True)

    def click_button_close():

        st.session_state.button_new =False

    def click_button_save():

        st.session_state.button_new =False

    if st.session_state.button_new:

        st.text_input(label='请输入工作区的名称:',key='workareaname',placeholder='请输入工作区的名称')

        left,right = st.columns(2, vertical_alignment="center")

        left.button("保存", on_click=click_button_save,key="button_save", use_container_width=True)

        right.button("关闭", on_click=click_button_close,key="button_close",use_container_width=True)

年纪大了，担心忘记，以短文形式保留。