from tkinter import *
import requests
import json

root = Tk()
root.title('getData Tool')
root.geometry('400x200+600+200')
root.config(bg='black')

Label(root,text='价格：',font=('楷体',20),fg='cyan',bg='black').place(x=120,y=50)
Label(root,text='涨幅：',font=('楷体',20),fg='cyan',bg='black').place(x=120,y=100)

var1 = StringVar()
var2 = StringVar()

def get_btc():
    res = requests.get(url='https://openapi.ibtctrade.com/api/coindata/new_currency_v2').text
    data = json.loads(res)
    last_price = data['data'][0]['last_price']
    t24h_change = data['data'][0]['t24h_change']
    var1.set(last_price)
    var2.set(t24h_change)
    root.after(5000,get_btc)

get_btc()

Label(root,font=('楷体',20),fg='cyan',bg='black',textvariable=var1).place(x=200,y=50)
Label(root,font=('楷体',20),fg='cyan',bg='black',textvariable=var2).place(x=200,y=100)


root.mainloop()