from tkinter import *

def button_click():
    window.destroy()  # 关闭当前窗口
    import main  # 导入主界面的代码

window = Tk()
window.title("欢迎界面")

label_welcome = Label(window, text="欢迎帅哥美女来到身体健康数据检测", font=("Arial", 20))
label_welcome.pack(pady=20)

button = Button(window, text="点击进入首页", command=button_click)
button.pack(pady=10)
button.place(relx=0.5, rely=0.5, anchor=CENTER)  # 将按钮放在窗口中间

screen_width = window.winfo_screenwidth()
screen_height = window.winfo_screenheight()

window_width = int(screen_width / 2)
window_height = int(screen_height / 2)

x = (screen_width - window_width) // 2
y = (screen_height - window_height) // 2
window.geometry("{}x{}+{}+{}".format(window_width, window_height, x, y))

window.mainloop()