一 程式碼

1. import tkinter
2. import threading
3. import datetime
4. import time
5. app = tkinter.Tk()
6. app.overrideredirect(True)#不顯示標題欄
7. app.attributes('-alpha',0.9)#半透明
8. app.attributes('-topmost',1)#總是在頂端
9. app.geometry('110x25+100+100')#初始大小與位置
10. labelDateTime = tkinter.Label(app)
11. labelDateTime.pack(fill=tkinter.BOTH, expand
    =tkinter.YES)
12. labelDateTime.configure(bg ='gray')
13. X = tkinter.IntVar(value=0)#記錄滑鼠左鍵按下的位置
14. Y = tkinter.IntVar(value=0)
15. canMove = tkinter.IntVar(value=0)#視窗是否可拖動
16. still = tkinter.IntVar(value=1)#是否仍在執行
17. def onLeftButtonDown(event):
18. app.attributes('-alpha',0.4)#開始拖動時增加透明度
19. X.set(event.x)#滑鼠左鍵按下，記錄當前位置
20. Y.set(event.y)
21. canMove.set(1)#並標記視窗可拖動
22. labelDateTime.bind('<Button-1>', onLeftButtonDown)
23. def onLeftButtonUp(event):
24. app.attributes('-alpha',0.9)#停止拖動時恢復透明度
25. canMove.set(0)#滑鼠左鍵擡起，標記視窗不可拖動
26. labelDateTime.bind('<ButtonRelease-1>', onLeftButtonUp)
27. def onLeftButtonMove(event):
28. if canMove.get()==0:
29. return
30. newX = app.winfo_x()+(event.x-X.get())
31. newY = app.winfo_y()+(event.y-Y.get())
32. g ='110x25+'+str(newX)+'+'+str(newY)
33. app.geometry(g)#修改視窗的位置
34. labelDateTime.bind('<B1-Motion>', onLeftButtonMove)
35. def onRightButtonDown(event):
36. still.set(0)
37. t.join(0.2)
38. app.destroy()#關閉視窗
39. labelDateTime.bind('<Button-3>', onRightButtonDown)
40. def nowDateTime():
41. while still.get()==1:
42. now = datetime.datetime.now()
43. s = str(now.year)+'-'+str(now.month)+'-'+str(now.day)+' '
44. s = s+str(now.hour)+':'+str(now.minute)+':'+str(now.second)
45. labelDateTime['text']= s #顯示當前時間
46. time.sleep(0.2)
47. t = threading.Thread(target=nowDateTime)
48. t.daemon =True
49. t.start()
50. app.mainloop()