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- import easygui as g
- import os
- file_path = g.fileopenbox(default="*.txt")
- with open(file_path,encoding="utf-8") as old_file:
- title = os.path.basename(file_path)
- msg = "文件【%s】的内容如下:" % title
- text = old_file.read()+"\n你好"
- text_after = g.textbox(msg, title, text)
-
- if text != text_after[:-1]:
- # textbox 的返回值会追加一个换行符
- choice = g.buttonbox("检测到文件内容发生改变,请选择以下操作:", "警告", ("覆盖保存", "放弃保存", "另存为..."))
- if choice == "覆盖保存":
- with open(file_path, "w") as old_file:
- old_file.write(text_after[:-1])
- if choice == "放弃保存":
- pass
- if choice == "另存为...":
- another_path = g.filesavebox(default=".txt")
- if os.path.splitext(another_path)[1] != '.txt':
- another_path += '.txt'
- with open(another_path, "w") as new_file:
- new_file.write(text_after[:-1])
复制代码
原本小甲鱼是要说用fileopenbox会多一个换行符导致文本改变,那是以前版本,现在没有这个问题了,所有我人为的加了一行字符串,让程序接下去运行,我的电脑要运行中文文件要用utf-8编码格式,我加了一个改变编码格式
然后就出bug了,点击覆盖保存,文本里面的冒号不见了,加入的“你好”,只加了“你”,并且要重新打开这个文件的时候报错了
(result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xbf in position 2: invalid start byte
这是为什么
- import easygui as g
- import os
- file_path = g.fileopenbox(default="*.txt")
- with open(file_path,encoding="utf-8") as old_file:
- title = os.path.basename(file_path)
- msg = "文件【%s】的内容如下:" % title
- text = old_file.read()+"\n你好"
- text_after = g.textbox(msg, title, text)
-
- if text != text_after[:-1]:
- # textbox 的返回值会追加一个换行符
- choice = g.buttonbox("检测到文件内容发生改变,请选择以下操作:", "警告", ("覆盖保存", "放弃保存", "另存为..."))
- if choice == "覆盖保存":
- with open(file_path, "w",encoding="utf-8") as old_file: #加上编码方式试试
- old_file.write(text_after[:-1])
- if choice == "放弃保存":
- pass
- if choice == "另存为...":
- another_path = g.filesavebox(default=".txt")
- if os.path.splitext(another_path)[1] != '.txt':
- another_path += '.txt'
- with open(another_path, "w",encoding="utf-8") as new_file: #还有这里
- new_file.write(text_after[:-1])
复制代码
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