Python3 tkinter 实现文件读取及保存功能

            
# !/user/bin/env Python3
# -*- coding:utf-8 -*-
 
"""
file：window.py.py
create time:2019/6/27 14:54
author:Loong Xu
desc: 窗口
"""
import tkinter as tk
from tkinter import filedialog, dialog
import os
 
window = tk.Tk()
window.title('窗口标题') # 标题
window.geometry('500x500') # 窗口尺寸
 
file_path = ''
 
file_text = ''
 
text1 = tk.Text(window, width=50, height=10, bg='orange', font=('Arial', 12))
text1.pack()
 
 
def open_file():
  '''
  打开文件
  :return:
  '''
  global file_path
  global file_text
  file_path = filedialog.askopenfilename(title=u'选择文件', initialdir=(os.path.expanduser('H:/')))
  print('打开文件：', file_path)
  if file_path is not None:
    with open(file=file_path, mode='r+', encoding='utf-8') as file:
      file_text = file.read()
    text1.insert('insert', file_text)
 
 
def save_file():
  global file_path
  global file_text
  file_path = filedialog.asksaveasfilename(title=u'保存文件')
  print('保存文件：', file_path)
  file_text = text1.get('1.0', tk.END)
  if file_path is not None:
    with open(file=file_path, mode='a+', encoding='utf-8') as file:
      file.write(file_text)
    text1.delete('1.0', tk.END)
    dialog.Dialog(None, {'title': 'File Modified', 'text': '保存完成', 'bitmap': 'warning', 'default': 0,
               'strings': ('OK', 'Cancle')})
    print('保存完成')
 
 
bt1 = tk.Button(window, text='打开文件', width=15, height=2, command=open_file)
bt1.pack()
bt2 = tk.Button(window, text='保存文件', width=15, height=2, command=save_file)
bt2.pack()
 
window.mainloop() # 显示