# 窗口居中显示

 import tkinter as tk

 def set_win_center(root, curWidth='', curHight=''):

     '''

     设置窗口大小，并居中显示

     :param root:主窗体实例

     :param curWidth:窗口宽度，非必填，默认200

     :param curHight:窗口高度，非必填，默认200

     :return:无

     '''

     if not curWidth:

         '''获取窗口宽度，默认200'''

         curWidth = root.winfo_width()

     if not curHight:

         '''获取窗口高度，默认200'''

         curHight = root.winfo_height()

     # print(curWidth, curHight)

     # 获取屏幕宽度和高度

     scn_w, scn_h = root.maxsize()

     # print(scn_w, scn_h)

     # 计算中心坐标

     cen_x = (scn_w - curWidth) / 2

     cen_y = (scn_h - curHight) / 2

     # print(cen_x, cen_y)

     # 设置窗口初始大小和位置

     size_xy = '%dx%d+%d+%d' % (curWidth, curHight, cen_x, cen_y)

     root.geometry(size_xy)

 root = tk.Tk()

 root.resizable(False, False)  # 窗口不可调整大小

 root.title('窗口居中显示')

 root.update()  # 必须

 set_win_center(root, 300, 300)

 root.mainloop()

200 200

1924 1062

862.0 431.0