关键模块总结

• 导入关键包tkinter
• 打开文件：askopenfilename
• 打开多个文件：askopenfilenames
• 保存文件：asksaveasfilename

打开文件

def open_file():
    global file_path
    global file_text
    file_path = filedialog.askopenfilename(title=u'选择文件', initialdir=(os.path.expanduser('')))
    print('打开文件：', file_path)
    if file_path is not None:
        lb.config(text = "您选择的文件是："+file_path)
        with open(file=file_path, mode='r+', encoding='utf-8') as file:
            file_text = file.read()
        text1.insert('insert', file_text)
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保存文件

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)
    lb.config(text="您保存的文件是：" + 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')
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完整代码

# !# !/user/bin/env Python3
# -*- coding:utf-8 -*-
import tkinter as tk
from tkinter import filedialog, dialog, Label
import os

def open_file():
    global file_path
    global file_text
    file_path = filedialog.askopenfilename(title=u'选择文件', initialdir=(os.path.expanduser('')))
    print('打开文件：', file_path)
    if file_path is not None:
        lb.config(text = "您选择的文件是："+file_path)
        with open(file=file_path, mode='r+', encoding='utf-8') as file: # 只读
            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)
    lb.config(text="您保存的文件是：" + 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: # 追加
            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')

if __name__ == '__main__':
    window = tk.Tk()
    lb = Label(window,text = '')
    lb.pack()
    window.title('窗口标题')  # 标题
    window.geometry('500x500')  # 窗口尺寸
    text1 = tk.Text(window, width=50, height=10, bg='red', font=('Arial', 12))
    text1.pack()
    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
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运行效果