Chapter6-3.py 文件源码

def file_new(self, event=None):
        file_name = filedialog.asksaveasfilename()
        if file_name:
            self.open_file = file_name
            self.main_text.delete(1.0, tk.END)
            self.title(" - ".join([self.WINDOW_TITLE, self.open_file]))