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_i