PyWebIO 实现 IoT 服务组合优化界面

from pywebio import start_server
from pywebio.input import file_upload
from pywebio.output import put_image, put_text, put_buttons, popup
from pywebio.session import hold

def main():
    put_text('IoT服务组合优化', align='center', size='h3')
    put_image('https://img.icons8.com/clouds/2x/sensor.png', width='200px', align='center')
    put_buttons(['点击开始'], onclick=lambda _: go_to_second_page(), align='center')

def go_to_second_page():
    put_text('请初始物联网服务群体：', align='center', size='h3')
    file = file_upload('选择Excel文件', accept='.xlsx')
    popup('读取成功')

if __name__ == '__main__':
    start_server(main, debug=True)