From 8e61ba372bde25f8f3fac6d90d91f5d7b9b2eb6a Mon Sep 17 00:00:00 2001
From: RaoYi <raoyi@users.noreply.github.com>
Date: Sat, 18 Nov 2017 20:31:02 +0800
Subject: [PATCH] modefy

---
 README.md       |  2 +-
 ScreenSwitch.py | 99 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 100 insertions(+), 1 deletion(-)
 create mode 100644 ScreenSwitch.py

diff --git a/README.md b/README.md
index d611e54..aa9a8fa 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,2 @@
 # ScreenSwitch
-automatic screen switch
+关闭显示器
diff --git a/ScreenSwitch.py b/ScreenSwitch.py
new file mode 100644
index 0000000..0a2486d
--- /dev/null
+++ b/ScreenSwitch.py
@@ -0,0 +1,99 @@
+#python 3.4 win7
+#关闭显示器
+from ctypes import *
+import sys
+import time
+
+#定义变量
+HWND_BROADCAST = 0xffff
+WM_SYSCOMMAND = 0x0112
+SC_MONITORPOWER = 0xf170
+MonitroPowerOn = -1    #打开显示器
+MonitorGoLowPower = 1    #进入低电量
+MonitorPowerOff = 2    #关闭显示器
+
+def PowerOn():
+    windll.user32.PostMessageW(HWND_BROADCAST, WM_SYSCOMMAND,SC_MONITORPOWER, MonitroPowerOn)
+
+def GoLowPower():
+    windll.user32.PostMessageW(HWND_BROADCAST, WM_SYSCOMMAND,SC_MONITORPOWER, MonitorGoLowPower)
+
+def PowerOff():
+    windll.user32.PostMessageW(HWND_BROADCAST, WM_SYSCOMMAND,SC_MONITORPOWER, MonitorPowerOff)
+
+if len(sys.argv) == 2:
+    if sys.argv[1] == 'on':
+        PowerOn()
+        exit()
+    elif sys.argv[1] == 'low':
+        GoLowPower()
+        exit()
+    elif sys.argv[1] == 'off':
+        PowerOff()
+        exit()
+
+if len(sys.argv) == 3:
+    startime = sys.argv[1].split(':')
+    endtime = sys.argv[2].split(':')
+    
+    #获取开始/结束分钟
+    if len(startime) >= 2 and int(startime[1]) >= 0 and int(startime[1]) < 60:
+        startm = int(startime[1])
+    else:
+        startm = 0
+
+    if len(endtime) >= 2 and int(endtime[1]) >= 0 and int(endtime[1]) < 60:
+        endm = int(endtime[1])
+    else:
+        endm = 0
+        
+    #获取开始/结束小时
+    if int(startime[0]) >= 0 and int(startime[0]) < 24:
+        starth = int(startime[0])
+
+    if int(endtime[0]) >= 0 and int(endtime[0]) < 24:
+        endh = int(endtime[0])
+
+    #程序开始
+    while True:
+        #获取当前时间（小时/分钟），用于关屏
+        nowtime = time.asctime().split(' ')[3]
+        nowh = int(nowtime.split(':')[0])
+        nowm = int(nowtime.split(':')[1])
+        #关闭屏幕
+        if nowh > starth or (nowh == starth and nowm >= startm):
+            PowerOff()
+            
+            while True:
+                #获取当前时间（小时/分钟），用于开屏
+                nowtime = time.asctime().split(' ')[3]
+                nowh = int(nowtime.split(':')[0])
+                nowm = int(nowtime.split(':')[1])
+                #开启屏幕
+                if nowh == endh and nowm == endm:
+                    PowerOn()
+                    exit()
+                else:
+                    time.sleep(50)
+else:
+    print('Effect:Screen switch or Timing Screen Switch.\n\
+\n\
+ Usage:\n\
+    (1)Screen Switch\n\
+    Format:\n\
+        ToolName [on] [off] [low]\n\
+    Parameter:\n\
+        on  - Switch on\n\
+        off - Switch off\n\
+        low - Monitor low power\n\
+\n\
+    (2)Timing Screen Switch\n\
+    Format:\n\
+        ToolName OffTime OnTime\n\
+    Parameter:\n\
+        OffTime - Screen power off time.\n\
+                    (Time format(00:00), or just hour integer(0~23))\n\
+        OnTime  - Screen power on time.\n\
+                    (Time format(00:00), or just hour integer(0~23))')
+    input()
+    exit()