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python
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test_py_GUI_Tkinter.py
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test_py_GUI_Tkinter.py
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# 要使用python的GUI必须导入tkinter模块,使用GUI需要安装GUI工具包
# 实现一个简单的文本打开编辑器
# 使用方法,先save 创建一个.txt,然后open
from tkinter import *
from tkinter.scrolledtext import ScrolledText # 多行可滚动文本区域
def load():
with open(filename.get()) as file: # 使用with来自动打开和关闭一个文件
contents.delete('1.0', END)
contents.insert(INSERT, file.read())
def save():
with open(filename.get(), 'w') as file:
file.write(contents.get('1.0', END))
top = Tk()
top.title('Simple Editor')
contents = ScrolledText()
contents.pack(side=BOTTOM, expand=True, fill=BOTH) # pack()布局管理
filename = Entry()
filename.pack(side=LEFT, expand=True, fill=X)
Button(text='Open', command=load).pack(side=LEFT) # 使用回调函数
Button(text='Save', command=save).pack(side=LEFT)
# 要添加事件处理程序,可使用方法bind
# 以下为测试方法,将鼠标点击事件和输出函数绑定
def callback(event):
print(event.x, event.y)
print(top.bind('<Button-1>', callback))
##############
mainloop() # 主事件循环 阻塞在这儿
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