tkinter界面卡死的解决办法

 0、如果点击按钮，运行了一个比较耗时的操作，那么界面会卡死

import tkinter as tkimport timedef onclick(text, i):time.sleep(3)text.insert(tk.END, '按了第{}个按钮\n'.format(i))  root = tk.Tk()text = tk.Text(root)text.pack()tk.Button(root, text='按钮1', command=lambda :onclick(text,1)).pack()tk.Button(root, text='按钮2', command=lambda :onclick(text,2)).pack()root.mainloop()

 

解决办法：

方式一、直接开线程

import tkinter as tkimport timeimport threadingsongs = ['爱情买卖','朋友','回家过年','好日子']movies = ['阿凡达','猩球崛起']def music(songs):global text # 故意的，注意与movie的区别for s in songs:text.insert(tk.END, "听歌曲：%s \t-- %s\n" %(s, time.ctime()))time.sleep(3)def movie(movies, text):for m in movies:text.insert(tk.END, "看电影：%s \t-- %s\n" %(m, time.ctime()))time.sleep(5)def thread_it(func, *args):'''将函数打包进线程'''# 创建t = threading.Thread(target=func, args=args) # 守护 !!!t.setDaemon(True) # 启动t.start()# 阻塞--卡死界面！# t.join()root = tk.Tk()text = tk.Text(root)text.pack()tk.Button(root, text='音乐', command=lambda :thread_it(music, songs)).pack()tk.Button(root, text='电影', command=lambda :thread_it(movie, movies, text)).pack()root.mainloop()

 

方式二、继承 threading.Thread 类

import tkinter as tkimport timeimport threadingsongs = ['爱情买卖','朋友','回家过年','好日子']movies = ['阿凡达','猩球崛起']def music(songs):global text # 故意的，注意与movie的区别for s in songs:text.insert(tk.END, "听歌曲：%s \t-- %s\n" %(s, time.ctime()))time.sleep(3)def movie(movies, text):for m in movies:text.insert(tk.END, "看电影：%s \t-- %s\n" %(m, time.ctime()))time.sleep(5)class MyThread(threading.Thread):def __init__(self, func, *args):super().__init__()self.func = funcself.args = argsself.setDaemon(True)self.start()# 在这里开始def run(self):self.func(*self.args)root = tk.Tk()text = tk.Text(root)text.pack()tk.Button(root, text='音乐', command=lambda :MyThread(music, songs)).pack()tk.Button(root, text='电影', command=lambda :MyThread(movie, movies, text)).pack()root.mainloop()

 

三、或者，搞一个界面类：

import tkinter as tkimport timeimport threadingsongs = ['爱情买卖','朋友','回家过年','好日子'] 
films = ['阿凡达','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='音乐', command=lambda :self.thread_it(self.music, songs)).pack(expand=True, side=tk.RIGHT) # 注意lambda语句的作用！tk.Button(self, text='电影', command=lambda :self.thread_it(self.movie, films)).pack(expand=True, side=tk.LEFT)# 逻辑：听音乐def music(self, songs):for x in songs:self.text.insert(tk.END, "听歌曲：%s \t-- %s\n" %(x, time.ctime()))print("听歌曲：%s \t-- %s" %(x, time.ctime()))time.sleep(3)# 逻辑：看电影def movie(self, films):for x in films:self.text.insert(tk.END, "看电影：%s \t-- %s\n" %(x, time.ctime()))print("看电影：%s \t-- %s" %(x, time.ctime()))time.sleep(5)# 打包进线程（耗时的操作）@staticmethoddef thread_it(func, *args):t = threading.Thread(target=func, args=args) t.setDaemon(True)# 守护--就算主界面关闭，线程也会留守后台运行（不对!）t.start()# 启动# t.join()  # 阻塞--会卡死界面！app = Application()app.mainloop()