tkinter实现指定类型文件的上传

代码：

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window = tk.Tk() window.title('文件上传') window.geometry('550x200')   frm = tk.Frame(window) frm.grid(padx='20', pady='30') btn1 = tk.Button(frm, text='上传文件', font=('Arial', 12), width=10, height=1, command=upload_file) btn1.grid(row=0, column=0, ipadx='3', ipady='3', padx='10', pady='20') entry = tk.Entry(frm, width=40) entry.grid(row=0, column=1)   def upload_file():     #指定上传mp4视频文件     # askopenfilename 1次上传1个；askopenfilenames1次上传多个     selectFile = tk.filedialog.askopenfilename(filetypes=(("MP4视频", "*.mp4"),))      entry.insert(0, selectFile)

 

 

实现效果：