Question

我有一个程序可以读取和显示Outlook电子邮件的主题行。如果关键字＆＃34; up＆＃34;我希望它以绿色显示主题。是在主题。红色如果＆＃34; down＆＃34;是在主题。此外，当我使用if，elif，else语句时，程序似乎不起作用。我想使用它，因为我希望程序显示红色为＆＃34;向下＆＃34;，绿色用于＆＃34;向上＆＃34;，黑色/白色用于任何其他主题。

它使用我的代码，但每次阅读/显示新的电子邮件主题时，我都无法弄清楚如何清除和刷新标签。

我已经尝试过destory（）和os.system（＆＃39; cls＆＃39;）而没有运气。

示例：

    messages = inbox.Items
    message = messages.GetLast()
    body_content = message.Subject 

    if ' up ' in body_content:
        self.answer_label['text'] = os.system('cls')
        self.answer_label['text'] = (body_content) 

    else:
        self.answer_label2['text'] = os.system('cls')
        self.answer_label2['text'] = (body_content)


    self.master.after(20, self.timer)

这是我原来的所有代码：

import win32com.client
import os
import tkinter

from tkinter import Tk, Label, Button

class myGUI:

    def timer(self):

        import pythoncom        
        pythoncom.CoInitialize()

        outlook = win32com.client.Dispatch("Outlook.Application").GetNamespace("MAPI")

        inbox = outlook.GetDefaultFolder(6) 



        messages = inbox.Items
        message = messages.GetLast()
        body_content = message.Subject 

        if ' up ' in body_content:

            self.answer_label['text'] = (body_content) 

        else:

            self.answer_label2['text'] = (body_content)


        self.master.after(20, self.timer)



    def __init__(self, master):
        self.master = master
        master.title("CheckStat")


        self.answer_label = Label(master, text='', fg="light green", bg="dark green", font="Helvetica 64 bold italic")
        self.answer_label.grid(column=0, row=0)

        self.answer_label2 = Label(master, text='', fg="red", bg="dark red", font="Helvetica 64 bold italic")
        self.answer_label2.grid(column=0, row=0)

        self.timer()


root = Tk()
my_gui = myGUI(root)
root.mainloop()

当我使用＆＃34; if，elif，else＆＃34;时，程序似乎没有使用正确的颜色更新。下面。有什么想法吗？

import win32com.client
import os
import tkinter

from tkinter import Tk, Label, Button

class myGUI:

    def timer(self):

        import pythoncom        
        pythoncom.CoInitialize()  

        outlook = win32com.client.Dispatch("Outlook.Application").GetNamespace("MAPI")

        inbox = outlook.GetDefaultFolder(6) 


        messages = inbox.Items
        message = messages.GetLast()
        body_content = message.Subject 

        if ' up ' in body_content:
            self.answer_labelUp['text'] = (body_content)

        elif ' down ' in body_content:
            self.answer_labelDown['text'] = (body_content)
        else:
            self.answer_labelElse['text'] = (body_content)


        self.master.after(20, self.timer) 



    def __init__(self, master):
        self.master = master
        master.title("CheckStat")


        self.answer_labelUp = Label(master, text='', fg="light green", bg="dark green", font="Helvetica 64 bold italic")
        self.answer_labelUp.grid(column=0, row=0)

        self.answer_labelDown = Label(master, text='', fg="red", bg="dark red", font="Helvetica 64 bold italic")
        self.answer_labelDown.grid(column=0, row=0)

        self.answer_labelElse = Label(master, text='', fg="black", bg="white", font="Helvetica 64 bold italic")
        self.answer_labelElse.grid(column=0, row=0) 

        self.timer()


root = Tk()
my_gui = myGUI(root)
root.mainloop()

如何在Python的Tkinter中清除和刷新标签？

0 个答案: