python實現(xiàn)windows壁紙定期更換功能

更新時間：2019年01月21日 15:10:58 作者：theArcticOcean

這篇文章主要為大家詳細介紹了python實現(xiàn)windows壁紙定期更換功能，具有一定的參考價值，感興趣的小伙伴們可以參考一下

本文定期更換windows壁紙的python程序，很簡單，屬于自己寫著玩的那種，不提供完美的壁紙切換解決方案。

安裝pywin32 extensions

安裝python2.7后，然后管理員的方式運行cmd，進入python的scripts目錄，我的是

C:\Python27\Scripts
cd /d C:\Python27\Scripts

然后敲入：python pywin32_postinstall.py -install（先確保在環(huán)境變量PATH中設置好了python.exe的目錄）

C:\Python27\Scripts>python pywin32_postinstall.py -install
Copied pythoncom27.dll to C:\Windows\SysWOW64\pythoncom27.dll
Copied pythoncomloader27.dll to C:\Windows\SysWOW64\pythoncomloader27.dll
Copied pywintypes27.dll to C:\Windows\SysWOW64\pywintypes27.dll
Registered: Python.Interpreter
Registered: Python.Dictionary
Registered: Python
-> Software\Python\PythonCore\2.7\Help[None]=None
-> Software\Python\PythonCore\2.7\Help\Pythonwin Reference[None]='C:\\Python27\\
Lib\\site-packages\\PyWin32.chm'
Pythonwin has been registered in context menu
Shortcut for Pythonwin created
Shortcut to documentation created
The pywin32 extensions were successfully installed.

這樣，pywin32就完成了安裝。

安裝PIL

PIL即是Python Image Lib。
在網上下載PIL: http://www.pythonware.com/products/pil/。我下載的是PIL-1.1.7.win32-py2.7.exe，雙擊運行即可。
注：如果要使用pip安裝，那么命令行中輸入的不是pip，而是pip2.7，如下：

C:\Python27\Scripts>pip2.7 install
You must give at least one requirement to install (see "pip help install")

關鍵函數

下面的函數幫助信息都能在PyWin32.chm中看見。
win32gui.SystemParametersInfo

SystemParametersInfo(Action, Param, WinIni)
Queries or sets system-wide parameters. This function can also update the user profile while setting a parameter.
Parametersundefined
Action : int
 System parameter to query or set, one of the SPI_GET* or SPI_SET* constants
Param=None : object
 depends on action to be taken
WinIni=0 : int
 Flags specifying whether change should be permanent, and if all windows should be notified of change. Combination of SPIF_UPDATEINIFILE, SPIF_SENDCHANGE, SPIF_SENDWININICHANGE

win32api.RegOpenKeyEx

PyHKEY = RegOpenKeyEx(key, subKey, reserved , sam )
Opens the specified key.
Parametersundefined
key : PyHKEY/int
 An already open key, or any one of the following win32con constants:
HKEY_CLASSES_ROOT
HKEY_CURRENT_USER
HKEY_LOCAL_MACHINE
HKEY_USERS
subKey : string
 The name of a key that this method opens. This key must be a subkey of the key identified by the key parameter. If key is one of the predefined keys, subKey may be None. In that case, the handle returned is the same key handle passed in to the function.
reserved=0 : int
 Reserved. Must be zero.
sam=KEY_READ : int
 Specifies an access mask that describes the desired security access for the new key. This parameter can be a combination of the following win32con constants:
KEY_ALL_ACCESS
KEY_CREATE_LINK
KEY_CREATE_SUB_KEY
KEY_ENUMERATE_SUB_KEYS
KEY_EXECUTE
KEY_NOTIFY
KEY_QUERY_VALUE
KEY_READ
KEY_SET_VALUE
KEY_WRITE

程序

接下來就是coding：
set.py:

import Image
import win32api, win32gui, win32con

def setWallPaper(pic):
 # open register
 regKey = win32api.RegOpenKeyEx(win32con.HKEY_CURRENT_USER,"Control Panel\\Desktop",0,win32con.KEY_SET_VALUE)
 win32api.RegSetValueEx(regKey,"WallpaperStyle", 0, win32con.REG_SZ, "2")
 win32api.RegSetValueEx(regKey, "TileWallpaper", 0, win32con.REG_SZ, "0")
 # refresh screen
 win32gui.SystemParametersInfo(win32con.SPI_SETDESKWALLPAPER,pic, win32con.SPIF_SENDWININICHANGE)

setWallPaper('E:\\backPics\\character5.jpg')

效果：

接下來，我們設定每隔一個小時換一次壁紙：

我的圖庫中只有5張圖片，所以顯示圖片的標志只能在[1 - 5]中循環(huán)了。

import Image
import win32api, win32gui, win32con
import time

def setWallPaper(pic):
 # open register
 regKey = win32api.RegOpenKeyEx(win32con.HKEY_CURRENT_USER,"Control Panel\\Desktop",0,win32con.KEY_SET_VALUE)
 win32api.RegSetValueEx(regKey,"WallpaperStyle", 0, win32con.REG_SZ, "2")
 win32api.RegSetValueEx(regKey, "TileWallpaper", 0, win32con.REG_SZ, "0")
 # refresh screen
 win32gui.SystemParametersInfo(win32con.SPI_SETDESKWALLPAPER,pic, win32con.SPIF_SENDWININICHANGE)

g_times = 0
while True:
 g_times = g_times+1
 g_times = g_times%5
 picDir = 'E:\\backPics\\character'
 picDir = picDir+str(g_times+1)+'.jpg'
 setWallPaper(picDir)
 time.sleep(60*60)