• Home
  • Categories
  • WIKI
  • LANGUAGE: en
    • [Seek Help] 设置壁纸的这个地方用变量为什么不行呢？
    Experiences and Insight 628 views · 4 replies ·
    Tofloor
    poster avatar
    立青
    deepin
    2022-06-09 20:37
    Author

    python 小白，有点小错误，麻烦大神给看看原因：

    mybizhi='file:///media/ccj/Files/个人/壁纸/week/'+str(myWeek)+'.png'
    cmd1='dbus-send --dest=com.deepin.daemon.Appearance /com/deepin/daemon/Appearance --print-reply com.deepin.daemon.Appearance.SetMonitorBackground string:"VGA-1" string:mybizhi'#这个地方用字符串变量mybizhi为什么就不行呢？
    os.system(cmd1)

    Reply Favorite View the author
    All Replies
    whoam1
    deepin
    2022-06-09 21:06
    #1

    你需要占位符格式化字符串而不是直接写变量名

    Reply View the author
    蔡EEPIN
    deepin
    2022-06-09 21:06
    #2

    单引号输入什么就是什么，获取不了变量。 用双引号

    Reply View the author
    whoam1
    deepin
    2022-06-09 21:07
    #3

    或者直接 'path' + mybizhi

    Reply View the author
    咿呀
    deepin
    2022-06-10 06:59
    #4 
    #顺手改了一下  😄
import os.path
path1 = 'file:///media/ccj/Files/个人/壁纸/week/'
mybizhi = os.path.join(path1,str(myWeek),'.png')
cmd1 = f'''dbus-send - -dest = com.deepin.daemon.Appearance \
/com/deepin/daemon/Appearance - -print-reply \
com.deepin.daemon.Appearance.SetMonitorBackground string: "VGA-1" \
string: {mybizhi}''' 
# 先打印一下，看命令是否完整
print(cmd1)
# os.system(cmd1)
    Reply View the author