我的問題是我想要一個跟蹤器來跟蹤一個句子發送了多少次以及我何時運行：from tkinter import *from pynput.keyboard import Key, Controllerimport timeroot = Tk()messages = 0root.geometry('500x1400')def startn(): global messages global label message = "Read the Channel" spam = int(input('How many sentences will you send?')) for num in range(0, int((spam))): messages = int(messages + 1) label = Label(root, text= messages) label.pack() root.mainloop() startn()每當我在 label.pack() 之后添加 .destroy 時，它都不會顯示任何內容（順便說一句，spam = 5）在 label.pack() 之后輸出帶 .destroy 輸出不帶 .destroy
1 回答
拉丁的傳說
TA貢獻1789條經驗 獲得超8個贊
下面的代碼應該做你想做的。無需破壞標簽，您只需使用 .configure() 方法重新配置相同的標簽即可。我懷疑你真正想要的方法是 .pack_forget() 所以我也包含了它。我沒有運行這段代碼，所以如果您有任何問題，請發表評論，以便我進行更正。
from tkinter import *
from pynput.keyboard import Key, Controller
import time
root = Tk()
messages = 0
label = Label(root) # create your widgets early
root.geometry('500x1400')
def startn():
global messages
global label
message = "Read the Channel"
spam = int(input('How many sentences will you send?'))
label.pack() # only need to pack it once
for num in range(0, int((spam))):
messages = int(messages + 1)
label.configure(text= messages) # you should configure instead of making new label
def stopn():
label.pack_forget() # the label reference still exists, but it is no longer packed. You can destroy the label, but I just leave it for the garbage collector.
startn()
root.after(10000, stopn) # will run stopn callback after 10 seconds
root.mainloop() # in my opinion should always be at the end.
添加回答
舉報
0/150
提交
取消