# 限制lineEdit編輯框只能輸入./字符和數字
reg = QRegExp('[0-9./]+$')
validator = QRegExpValidator(self)
validator.setRegExp(reg)
self.lineEditSubNet.setValidator(validator)

 def SubnetVerification(self, strTempSubNet):
  """
  對輸入的子網字符串進行校驗
  """
  # 對輸入的交換機子網地址及子網掩碼格式進行校驗
  if strTempSubNet.count('/') == 1:
   pass
  else:
   # 警告信息框
   win32api.MessageBox(0, "請輸入正確的子網,例:192.168.60.1/24", "溫馨提示", win32con.MB_ICONWARNING)
   return False

  strListNet = strTempSubNet.split('/')

  if strListNet[0] != '' and strListNet[1] != '':
   pass
  else:
   # 警告信息框
   win32api.MessageBox(0, "請輸入正確的子網,例:192.168.60.1/24", "溫馨提示", win32con.MB_ICONWARNING)
   return False

  self.strIP = strListNet[0]
  self.strSubMaskNum = strListNet[1]
  # print(self.strIP)
  # print(self.strSubMaskNum)

  if 1 = int(self.strSubMaskNum, 10) = 32:
   pass
  else:
   # 警告信息框
   win32api.MessageBox(0, "請輸入正確的子網,例:192.168.60.1/24", "溫馨提示", win32con.MB_ICONWARNING)
   return False

  # 對輸入的交換機子網地址進行校驗
  # 判斷是否符合IP地址中有3個.
  if self.strIP.count('.') == 3:
   pass
  else:
   # 警告信息框
   win32api.MessageBox(0, "請輸入正確的子網,例:192.168.60.1/24", "溫馨提示", win32con.MB_ICONWARNING)
   return False

  strList = self.strIP.split(".")
  # print(strList)
  if strList[0] != '' and strList[1] != '' and strList[2] != '' and strList[3] != '':
   pass
  else:
   # 警告信息框
   win32api.MessageBox(0, "請輸入正確的子網,例:192.168.60.1/24", "溫馨提示", win32con.MB_ICONWARNING)
   return False

  nList = list(map(int, strList))

  if 0 = nList[0] = 255 and 0 = nList[1] = 255 and 0 = nList[2] = 255 and 0 = nList[3] = 255:
   pass
  else:
   # 警告信息框
   win32api.MessageBox(0, "請輸入正確的子網,例:192.168.60.1/24", "溫馨提示", win32con.MB_ICONWARNING)
   return False

  return True