import asyncio
import sys
import PySimpleGUI as sg
from tqsdk import TqApi
loop = asyncio.get_event_loop()
api = TqApi(loop=loop)
quote_a = api.get_quote('SHFE.rb1910')
quote_b = api.get_quote('SHFE.rb2001')
async def gui_task():
layout = [
[sg.Text('rb1910'), sg.Text('999999', key='rb1910.last')],
[sg.Text('rb2001'), sg.Text('999999', key='rb2001.last')],
[sg.Text('spread'), sg.Text('999999', key='spread')],
]
window = sg.Window('价差显示', layout)
while True:
event, values = window.Read(timeout=0)
if event is None or event == 'Exit':
sys.exit(0)
window.Element('rb1910.last').Update(quote_a.last_price)
window.Element('rb2001.last').Update(quote_b.last_price)
window.Element('spread').Update(
quote_a.last_price - quote_b.last_price)
await asyncio.sleep(1) # 注意,这里必须使用asyncio.sleep,不能用time.sleep
loop.create_task(gui_task())
while True:
api.wait_update()