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如果點擊按鈕,運行了一個比較耗時的操作,那么界面會卡死。
import tkinter as tk import time def onclick(text, i): time.sleep(3) text.insert(tk.END, '按了第{}個按鈕\n'.format(i)) root = tk.Tk() text = tk.Text(root) text.pack() tk.Button(root, text='按鈕1', command=lambda :onclick(text,1)).pack() tk.Button(root, text='按鈕2', command=lambda :onclick(text,2)).pack() root.mainloop()
解決辦法:
方式一、直接開線程
import tkinter as tk import time import threading songs = ['愛情買賣','朋友','回家過年','好日子'] movies = ['阿凡達','猩球崛起'] def music(songs): global text # 故意的,注意與movie的區別 for s in songs: text.insert(tk.END, "聽歌曲:%s \t-- %s\n" %(s, time.ctime())) time.sleep(3) def movie(movies, text): for m in movies: text.insert(tk.END, "看電影:%s \t-- %s\n" %(m, time.ctime())) time.sleep(5) def thread_it(func, *args): '''將函數打包進線程''' # 創建 t = threading.Thread(target=func, args=args) # 守護 !!! t.setDaemon(True) # 啟動 t.start() # 阻塞--卡死界面! # t.join() root = tk.Tk() text = tk.Text(root) text.pack() tk.Button(root, text='音樂', command=lambda :thread_it(music, songs)).pack() tk.Button(root, text='電影', command=lambda :thread_it(movie, movies, text)).pack() root.mainloop()
方式二、繼承 threading.Thread 類
import tkinter as tk import time import threading songs = ['愛情買賣','朋友','回家過年','好日子'] movies = ['阿凡達','猩球崛起'] def music(songs): global text # 故意的,注意與movie的區別 for s in songs: text.insert(tk.END, "聽歌曲:%s \t-- %s\n" %(s, time.ctime())) time.sleep(3) def movie(movies, text): for m in movies: text.insert(tk.END, "看電影:%s \t-- %s\n" %(m, time.ctime())) time.sleep(5) class MyThread(threading.Thread): def __init__(self, func, *args): super().__init__() self.func = func self.args = args self.setDaemon(True) self.start() # 在這里開始 def run(self): self.func(*self.args) root = tk.Tk() text = tk.Text(root) text.pack() tk.Button(root, text='音樂', command=lambda :MyThread(music, songs)).pack() tk.Button(root, text='電影', command=lambda :MyThread(movie, movies, text)).pack() root.mainloop()
三、或者,搞一個界面類:
import tkinter as tk import time import threading songs = ['愛情買賣','朋友','回家過年','好日子'] films = ['阿凡達','猩球崛起'] class Application(tk.Tk): def __init__(self): super().__init__() self.createUI() # 生成界面 def createUI(self): self.text = tk.Text(self) self.text.pack() tk.Button(self, text='音樂', command=lambda :self.thread_it(self.music, songs)).pack(expand=True, side=tk.RIGHT) # 注意lambda語句的作用! tk.Button(self, text='電影', command=lambda :self.thread_it(self.movie, films)).pack(expand=True, side=tk.LEFT) # 邏輯:聽音樂 def music(self, songs): for x in songs: self.text.insert(tk.END, "聽歌曲:%s \t-- %s\n" %(x, time.ctime())) print("聽歌曲:%s \t-- %s" %(x, time.ctime())) time.sleep(3) # 邏輯:看電影 def movie(self, films): for x in films: self.text.insert(tk.END, "看電影:%s \t-- %s\n" %(x, time.ctime())) print("看電影:%s \t-- %s" %(x, time.ctime())) time.sleep(5) # 打包進線程(耗時的操作) @staticmethod def thread_it(func, *args): t = threading.Thread(target=func, args=args) t.setDaemon(True) # 守護--就算主界面關閉,線程也會留守后臺運行(不對!) t.start() # 啟動 # t.join() # 阻塞--會卡死界面! app = Application() app.mainloop()
以上這篇解決python tkinter界面卡死的問題就是小編分享給大家的全部內容了,希望能給大家一個參考,也希望大家多多支持億速云。
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